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Dr. Wenjie Liao
Sichuan University

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0 Policy Analysis
0 Sustainability
0 life cycle assessment (LCA)
0 Technology Assessment
0 Anthropocene

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Journal article
Published: 28 August 2021 in Land
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The coronavirus disease 2019 pandemic led to global concerns about the delicate relationship between humans and wildlife. However, quantitative research on the elements of a wildlife management policy framework in a certain country is lacking. In this study, we try to close this research gap by analyzing the formulation preferences of key elements in the wildlife management policy framework, as well as the coordination between them, in China, which is generally regarded as a main wildlife consumption country. Based on the content analysis of China’s wildlife management policy documents, with a three-dimensional analytical framework, we find that: China’s wildlife management policy framework prefers the use of compulsory tools, while voluntary and mixed tools are not fully used; adequate attention is paid to the biodiversity conservation objectives and attention is paid to the objectives of public health protection and wildlife welfare, while the utilization objective is restricted to some extent; government sectors, industry, citizens, and non-governmental organizations are involved in wildlife management policies and the degrees of participation of citizens and non-governmental organizations are relatively low. In conclusion, we draw wider implications for China’s wildlife management policy formulation, arguing for a more coordinated and participatory policy framework.

ACS Style

Lu Feng; Qiyi Cai; Yang Bai; Wenjie Liao. China’s Wildlife Management Policy Framework: Preferences, Coordination and Optimization. Land 2021, 10, 909 .

AMA Style

Lu Feng, Qiyi Cai, Yang Bai, Wenjie Liao. China’s Wildlife Management Policy Framework: Preferences, Coordination and Optimization. Land. 2021; 10 (9):909.

Chicago/Turabian Style

Lu Feng; Qiyi Cai; Yang Bai; Wenjie Liao. 2021. "China’s Wildlife Management Policy Framework: Preferences, Coordination and Optimization." Land 10, no. 9: 909.

Research article
Published: 09 June 2021 in ACS Sustainable Chemistry & Engineering
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Integrated CO2 absorption and mineralization (IAM) is a promising approach to fix CO2 in a far less energy-intensive way. The semidry flue gas desulfurization (SFGD) slag containing a considerable amount of Ca(OH)2 is potential for mineralizing CO2. In this work, an IAM process combining monoethanolamine (MEA)-based CO2 absorption and mineralization with SFGD slag is proposed and investigated to provide a systematical evaluation of the net CO2 fixation. A desorption efficiency of 68% and an entrainment efficiency of 32 wt % were experimentally determined. An entire IAM process model with a design specification of 8350 N m3/h flue gas feeding and a CO2 fixation efficiency of 90% is simulated using Aspen Plus software. Net CO2 fixation efficiency is analyzed through life-cycle assessment (LCA). A direct relationship between parameters and LCA of CO2 emission is built based on parameter sensitivity analysis. The IAM process, achieving the goal of gaseous waste treatment with solid waste, shows significant environmental benefits in reducing CO2 emission. MEA loss is the major contributor to CO2 emission, and energy consumption follows. A net CO2 fixation efficiency of 87.6% can be obtained with the optimized parameters. Reducing MEA loss would be effective to increase net CO2 fixation efficiency of the whole process. This work provides a quantitative understanding of CO2 fixation of the IAM process for industrial application and a guideline for further process optimization.

ACS Style

Zhi Yan; Yan Wang; Hairong Yue; Changjun Liu; Shan Zhong; Kui Ma; Wenjie Liao; Siyang Tang; Bin Liang. Integrated Process of Monoethanolamine-Based CO2 Absorption and CO2 Mineralization with SFGD Slag: Process Simulation and Life-Cycle Assessment of CO2 Emission. ACS Sustainable Chemistry & Engineering 2021, 9, 8238 -8248.

AMA Style

Zhi Yan, Yan Wang, Hairong Yue, Changjun Liu, Shan Zhong, Kui Ma, Wenjie Liao, Siyang Tang, Bin Liang. Integrated Process of Monoethanolamine-Based CO2 Absorption and CO2 Mineralization with SFGD Slag: Process Simulation and Life-Cycle Assessment of CO2 Emission. ACS Sustainable Chemistry & Engineering. 2021; 9 (24):8238-8248.

Chicago/Turabian Style

Zhi Yan; Yan Wang; Hairong Yue; Changjun Liu; Shan Zhong; Kui Ma; Wenjie Liao; Siyang Tang; Bin Liang. 2021. "Integrated Process of Monoethanolamine-Based CO2 Absorption and CO2 Mineralization with SFGD Slag: Process Simulation and Life-Cycle Assessment of CO2 Emission." ACS Sustainable Chemistry & Engineering 9, no. 24: 8238-8248.

Journal article
Published: 10 March 2021 in Journal of Environmental Chemical Engineering
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The conventionally industrial method of recovering vanadium (V) from converter vanadium slag (V-slag) is sodium or calcification roasting process, which consumes high energy and emits quantities of environmental pollutants. We report an alternative process for the extraction of V from V-slag via ammonium sulfate ((NH4)2SO4) roasting. A possible mechanism of the thermal decomposition of V-slag and (NH4)2SO4 was identified in a range of 200 ℃ to 500 ℃. The phase transformation process of decomposing V-slag by (NH4)2SO4 indicated that sulfate salt containing V appeared at 350 ℃. The effect of roasting time and temperature and the amount of ammonia salt on V-slag decomposition was discussed. Furthermore, a tablet consisting of (NH4)2SO4, V-slag and silica (SiO2) was prepared to reduce the amount of ammonium sulfate added and avoid the formation of reaction products that would stick to the reactor. Characterization results indicated that the patterns of (NH4)2SO4, iron-vanadium oxide and ulvite disappeared at 390 ℃, SiO2 did not participate in the roasting process, and roasting products were attached to the surface of SiO2. Nearly 93% of V could be extracted from the (NH4)2SO4-V-slag-SiO2 tablet with a 2:1:2 mass ratio. Compared with conventionally industrial V-extraction method, (NH4)2SO4 roasting process could lower roasting temperature by 460 ℃, avoid marginal production of titania and treatment of water and gas emissions, and achieve energy-efficient production of V.

ACS Style

Guoquan Zhang; Tao Hu; Wenjie Liao; Xiaodong Ma. An energy-efficient process of leaching vanadium from roasted tablet of ammonium sulfate, vanadium slag and silica. Journal of Environmental Chemical Engineering 2021, 9, 105332 .

AMA Style

Guoquan Zhang, Tao Hu, Wenjie Liao, Xiaodong Ma. An energy-efficient process of leaching vanadium from roasted tablet of ammonium sulfate, vanadium slag and silica. Journal of Environmental Chemical Engineering. 2021; 9 (4):105332.

Chicago/Turabian Style

Guoquan Zhang; Tao Hu; Wenjie Liao; Xiaodong Ma. 2021. "An energy-efficient process of leaching vanadium from roasted tablet of ammonium sulfate, vanadium slag and silica." Journal of Environmental Chemical Engineering 9, no. 4: 105332.

Review
Published: 07 March 2021 in Minerals
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CO2 mineralization (aka mineral carbonation) is a promising method for the chemical sequestration of CO2 via reaction with oxides of alkaline or alkaline-earth metals to form carbonates. It has documented advantages over similar technological solutions to climate change. The huge amount of industrial solid waste, as a serious environmental issue confronted by China, can provide additional alkalinity sources for CO2 mineralization. In this study, we present an overview of the latest advances in the emerging technologies of CO2-mineralization via industrial solid waste in China, from the perspective of both theoretical and practical considerations. We summarize the types of industrial solid waste that are used (mainly coal fly ash, steel slag, phosphogypsum, and blast furnace slag) and the technological options available in the literature, with an emphasis on the discussion of the involved process-intensification methods and valuable chemicals produced. Furthermore, we illustrate the current status of pertinent policies, and research and development activities in China. Finally, we identify the current knowledge gaps, particularly in understanding the overall sustainability performance of these CO2-mineralization technologies, and indicate that the technical, economic, and environmental challenges of promoting and commercializing these technologies for the co-utilization of industrial solid waste and carbon resources call for, amongst other things, more joint efforts by chemists, chemical engineers, and environmental scientists, and more feedback from the energy and industrial sectors.

ACS Style

Junlin Meng; Wenjie Liao; Guoquan Zhang. Emerging CO2-Mineralization Technologies for Co-Utilization of Industrial Solid Waste and Carbon Resources in China. Minerals 2021, 11, 274 .

AMA Style

Junlin Meng, Wenjie Liao, Guoquan Zhang. Emerging CO2-Mineralization Technologies for Co-Utilization of Industrial Solid Waste and Carbon Resources in China. Minerals. 2021; 11 (3):274.

Chicago/Turabian Style

Junlin Meng; Wenjie Liao; Guoquan Zhang. 2021. "Emerging CO2-Mineralization Technologies for Co-Utilization of Industrial Solid Waste and Carbon Resources in China." Minerals 11, no. 3: 274.

Research article
Published: 15 August 2020 in Environmental Science and Pollution Research
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Post-combustion flue gas desulfurization and denitrification technologies are essential in achieving the full compliance of fine particulate matter (PM2.5, aerodynamic diameter less than 2.5 μm) air quality standards by 2030 in China as sulfur dioxide (SO2) and nitrogen oxides (NOX) are the main precursors of PM2.5. Some studies have addressed the performance evaluation of desulfurization technology, but none included the water-soluble ions (sulfate (SO42−), nitrate (NO3−), etc.) as an indicator nor accounted for uncertainty involved. In this study, we present a multilevel fuzzy method that integrates the analytic hierarchy process with fuzzy theory, defines SO42−concentration as a new environmental indicator, and is supplemented with an uncertainly analysis and apply the method for the techno-economic and environmental evaluation of desulfurization and denitrification technologies in six typical enterprises (including two power plants and three industrial production plants and a waste incineration plant) in Chengdu, China. The evaluation shows that first, the fluctuating desulfurization rate and the dosage leads to changed ranking of the economic and technical secondary evaluation results, with the overall comprehensive evaluation ranks unchanged. Second, from the perspective of environmental protection agency and the public, if the environmental indicators are empowered, the lower the SO42−concentration of an enterprise, the better its evaluation ranking will be and vice versa. Third, if we re-empower from the perspective of the enterprise, under the condition that the technical feasibility is met and the environmental indicators are basically up to standard, the low-cost removing process is more likely to be the tendency of the enterprise. In summary, the findings of the study have led to the conclusions that (1) for the power industry, the integration of desulfurization, denitrification, and dedusting technologies should be promoted rigorously; (2) the non-power industry should continue the end-of-pipe treatment and environmental protection regulatory policies of the power industry; and (3) the energy industry structure should be optimized with enhanced end-of-pipe control technologies to achieve deep reduction of air pollutants.

ACS Style

Hezijun Liu; Qinwen Tan; Xia Jiang; Shenggui Ma; Wenjie Liao; Fumo Yang; Fengxia Huang. Comprehensive evaluation of flue gas desulfurization and denitrification technologies of six typical enterprises in Chengdu, China. Environmental Science and Pollution Research 2020, 27, 45824 -45835.

AMA Style

Hezijun Liu, Qinwen Tan, Xia Jiang, Shenggui Ma, Wenjie Liao, Fumo Yang, Fengxia Huang. Comprehensive evaluation of flue gas desulfurization and denitrification technologies of six typical enterprises in Chengdu, China. Environmental Science and Pollution Research. 2020; 27 (36):45824-45835.

Chicago/Turabian Style

Hezijun Liu; Qinwen Tan; Xia Jiang; Shenggui Ma; Wenjie Liao; Fumo Yang; Fengxia Huang. 2020. "Comprehensive evaluation of flue gas desulfurization and denitrification technologies of six typical enterprises in Chengdu, China." Environmental Science and Pollution Research 27, no. 36: 45824-45835.

Journal article
Published: 06 August 2020 in Sensors
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The data-driven approach to sustainable urban development is becoming increasingly popular among the cities across the world. This is due to cities’ attention in supporting smart and sustainable urbanism practices. In an era of digitalization of urban services and processes, which is upon us, platform urbanism is becoming a fundamental tool to support smart urban governance, and helping in the formation of a new version of cities—i.e., City 4.0. This new version utilizes urban dashboards and platforms in its operations and management tasks of its complex urban metabolism. These intelligent systems help in maintaining the robustness of our cities, integrating various sensors (e.g., internet-of-things) and big data analysis technologies (e.g., artificial intelligence) with the aim of optimizing urban infrastructures and services (e.g., water, waste, energy), and turning the urban system into a smart one. The study generates insights from the sensor city best practices by placing some of renowned projects, implemented by Huawei, Cisco, Google, Ericsson, Microsoft, and Alibaba, under the microscope. The investigation findings reveal that the sensor city approach: (a) Has the potential to increase the smartness and sustainability level of cities; (b) Manages to engage citizens and companies in the process of planning, monitoring and analyzing urban processes; (c) Raises awareness on the local environmental, social and economic issues, and; (d) Provides a novel city blueprint for urban administrators, managers and planners. Nonetheless, the use of advanced technologies—e.g., real-time monitoring stations, cloud computing, surveillance cameras—poses a multitude of challenges related to: (a) Quality of the data used; (b) Level of protection of traditional and cybernetic urban security; (c) Necessary integration between the various urban infrastructure, and; (d) Ability to transform feedback from stakeholders into innovative urban policies.

ACS Style

Gaspare D’Amico; Pasqua L’Abbate; Wenjie Liao; Tan Yigitcanlar; Giuseppe Ioppolo. Understanding Sensor Cities: Insights from Technology Giant Company Driven Smart Urbanism Practices. Sensors 2020, 20, 4391 .

AMA Style

Gaspare D’Amico, Pasqua L’Abbate, Wenjie Liao, Tan Yigitcanlar, Giuseppe Ioppolo. Understanding Sensor Cities: Insights from Technology Giant Company Driven Smart Urbanism Practices. Sensors. 2020; 20 (16):4391.

Chicago/Turabian Style

Gaspare D’Amico; Pasqua L’Abbate; Wenjie Liao; Tan Yigitcanlar; Giuseppe Ioppolo. 2020. "Understanding Sensor Cities: Insights from Technology Giant Company Driven Smart Urbanism Practices." Sensors 20, no. 16: 4391.

Journal article
Published: 12 February 2020 in Sustainability
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Public participation in environmental decision-making (EDM) has been broadly discussed. However, few recent studies in English have focused on the participation subject, scope, ways, and procedure in the EDM of developing countries such as China in the worldwide governance transformation. This study aims to provide an overview of public participation in EDM in China, thus elucidating both the legislation and practice of public participation in EDM in China to a broader audience, as such an overview has not yet been provided. At the beginning of this article, we clarify the key definitions of EDM, public participation and the public, and establish an analytical framework for analyzing public participation in EDM in China. We analyze the scope of the public, the participation scope, ways of participating, and participation procedure in EDM in legislation and practice, through document analysis and empirical survey. We then comment on challenges for public participation in EDM in China—including low public participation in EDM, narrow scope of participation, unbalanced ways of participation, and unreasonable participation procedure. In conclusion, we draw wider implications for public participation in EDM in China, arguing for a transformation from a decision-maker-oriented mode to a collaboration mode.

ACS Style

Lu Feng; Qimei Wu; Weijun Wu; Wenjie Liao. Decision-Maker-Oriented VS. Collaboration: China’s Public Participation in Environmental Decision-Making. Sustainability 2020, 12, 1334 .

AMA Style

Lu Feng, Qimei Wu, Weijun Wu, Wenjie Liao. Decision-Maker-Oriented VS. Collaboration: China’s Public Participation in Environmental Decision-Making. Sustainability. 2020; 12 (4):1334.

Chicago/Turabian Style

Lu Feng; Qimei Wu; Weijun Wu; Wenjie Liao. 2020. "Decision-Maker-Oriented VS. Collaboration: China’s Public Participation in Environmental Decision-Making." Sustainability 12, no. 4: 1334.

Journal article
Published: 02 June 2019 in Sustainability
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Problems of the human–animal relationship in China are associated with imperfect legal protection. Few recent studies in English have focused on the entire legislation framework for wildlife protection, or paid sufficient attention to revision of the Wildlife Protection Law of China. This study aims to provide a review of the legislation pertinent to the overall framework of wildlife protection in China, thus making the legislative framework understood by a broader audience. We present various legal documents of national, local, and international level—including the Constitution, national laws, national administrative regulations and departmental rules, and local regulations and rules, all selected for their direct and close relation to wildlife protection. We then discuss the challenges of internal defects in the legislation for wildlife protection and problems of coordination between the laws—including the lack of stipulation on the definition of wildlife, the narrow scope of the legal protection of wildlife, the incomplete stipulation on the property rights of wildlife, the imperfect stipulation on wildlife utilization, the relatively limited protection system of wildlife habitats, and the relatively vague damage compensation caused by wildlife protection, with an emphasis on revisions of the Wildlife Protection Law of China in 2016. In conclusion, we draw wider implications for the legal protection of wildlife in China, arguing for a more sustainable human–animal relationship.

ACS Style

Lu Feng; Wenjie Liao; Junhua Hu. Towards a More Sustainable Human–Animal Relationship: The Legal Protection of Wildlife in China. Sustainability 2019, 11, 3112 .

AMA Style

Lu Feng, Wenjie Liao, Junhua Hu. Towards a More Sustainable Human–Animal Relationship: The Legal Protection of Wildlife in China. Sustainability. 2019; 11 (11):3112.

Chicago/Turabian Style

Lu Feng; Wenjie Liao; Junhua Hu. 2019. "Towards a More Sustainable Human–Animal Relationship: The Legal Protection of Wildlife in China." Sustainability 11, no. 11: 3112.

Journal article
Published: 07 September 2018 in Journal of Cleaner Production
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Flue gas denitration systems play an important role in reducing nitrogen oxide emissions. However, their potential resource efficiency, environmental impacts and economic performance should be emphasized. It is necessary to assess their effects from pros and cons so as to reflect their relatively sustainable levels more completely. Since emergy analysis (EmA) considers quality differences among diverse categories of energy, materials and money, as well as the environmental contribution to economic activities, this work put forward an emergy-based combined approach and related indicators, which consider pollution emissions' impacts, for evaluating flue gas denitration systems comprehensively. Next, two flue gas denitration systems in China (the selective catalytic reduction denitration system (SCRDS) and the selective non-catalytic reduction denitration system (SNCRDS)), as study cases, were investigated using the proposed approach and indicators. It is found that (1) purchased nonrenewable input (NP) contributes most to their total emergy input (TE); (2) the emergy loss is main emissions’ impact; (3) the SNCRDS has higher environmental cost but lower economic cost than the SCRDS due to its smaller share of purchased input and lower treatment efficiency; (4) the SCRDS has much higher environmental loading than the SNCRDS due to its higher share of nonrenewable input; (5) the SNCRDS has higher sustainability level than the SCRDS due to its lower dependence on nonrenewable input. Generally the denitration technologies convert lots of purchased nonrenewable resources into the local environmental benefits in an unsustainable way, which could cause the depletion of nonrenewable resources and environmental emissions in other areas in the future. Finally, some suggestions are proposed, including replacing the reducing agent for the SNCRDS, promoting the regeneration of spent denitration catalysts, strengthening energy management, and emphasizing operation training of technical staff.

ACS Style

Yashuang Feng; Xiaohong Zhang; Yanfeng Lv; Yangfan Chen; Xiangdong Yang; Wenjie Liao; Jun Wu; Lili Lin; Xiaoyu Yu; Yanzong Zhang. Performance evaluation of two flue gas denitration systems in China using an emergy-based combined approach. Journal of Cleaner Production 2018, 204, 803 -818.

AMA Style

Yashuang Feng, Xiaohong Zhang, Yanfeng Lv, Yangfan Chen, Xiangdong Yang, Wenjie Liao, Jun Wu, Lili Lin, Xiaoyu Yu, Yanzong Zhang. Performance evaluation of two flue gas denitration systems in China using an emergy-based combined approach. Journal of Cleaner Production. 2018; 204 ():803-818.

Chicago/Turabian Style

Yashuang Feng; Xiaohong Zhang; Yanfeng Lv; Yangfan Chen; Xiangdong Yang; Wenjie Liao; Jun Wu; Lili Lin; Xiaoyu Yu; Yanzong Zhang. 2018. "Performance evaluation of two flue gas denitration systems in China using an emergy-based combined approach." Journal of Cleaner Production 204, no. : 803-818.

Journal article
Published: 26 April 2018 in Waste Management
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China has become the largest generator of municipal solid waste (MSW) in the world with its rapid urbanization, population growth and raising living standard. Among diverse solid waste disposal technologies, MSW incineration has been becoming an attractive choice. In terms of systematic point, an integrated MSW incineration system should include an incineration subsystem and a bottom ash (BA) disposal subsystem. This paper employed an extend emergy assessment method with several improved indicators, which considers the emissions’ impact, to evaluate the comprehensive performances of an integrated MSW incineration system. One existing incineration plant in Yibin City, Sichuan Province, China, as a case study, is evaluated using the proposed method. Three alternative scenarios (scenario A: the incineration subsystem + the BA landfill subsystem; scenario B: the incineration subsystem + the concrete paving brick production subsystem using BA as raw material; scenario C: the incineration subsystem + the non-burnt wall brick production subsystem using BA as raw material) were compared. The study results reveal that the ratio of positive output is 1.225, 2.861 and 1.230, the improved environmental loading ratio is 2.715, 2.742 and 1.533, and the improved environmental sustainability index is 0.451, 1.043 and 0.803 for scenario A, B and C respectively. Therefore, reuse of BA can enhance the sustainability level of this integrated system greatly. Comparatively, scenario B has the best comprehensive performance among the three scenarios. Finally, some targeted recommendations are put forward for decision-making.

ACS Style

Yanqing Wang; Xiaohong Zhang; Wenjie Liao; Jun Wu; Xiangdong Yang; Wei Shui; ShiHuai Deng; Yanzong Zhang; Lili Lin; Yinlong Xiao; Xiaoyu Yu; Hong Peng. Investigating impact of waste reuse on the sustainability of municipal solid waste (MSW) incineration industry using emergy approach: A case study from Sichuan province, China. Waste Management 2018, 77, 252 -267.

AMA Style

Yanqing Wang, Xiaohong Zhang, Wenjie Liao, Jun Wu, Xiangdong Yang, Wei Shui, ShiHuai Deng, Yanzong Zhang, Lili Lin, Yinlong Xiao, Xiaoyu Yu, Hong Peng. Investigating impact of waste reuse on the sustainability of municipal solid waste (MSW) incineration industry using emergy approach: A case study from Sichuan province, China. Waste Management. 2018; 77 ():252-267.

Chicago/Turabian Style

Yanqing Wang; Xiaohong Zhang; Wenjie Liao; Jun Wu; Xiangdong Yang; Wei Shui; ShiHuai Deng; Yanzong Zhang; Lili Lin; Yinlong Xiao; Xiaoyu Yu; Hong Peng. 2018. "Investigating impact of waste reuse on the sustainability of municipal solid waste (MSW) incineration industry using emergy approach: A case study from Sichuan province, China." Waste Management 77, no. : 252-267.

Journal article
Published: 01 January 2018 in Ecological Engineering
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ACS Style

Xiaohong Zhang; Ni Xiang; Wenlong Wang; Wenjie Liao; Xiangdong Yang; Wei Shui; Jun Wu; ShiHuai Deng. An emergy evaluation of the sewage sludge treatment system with earthworm compositing technology in Chengdu, China. Ecological Engineering 2018, 110, 8 -17.

AMA Style

Xiaohong Zhang, Ni Xiang, Wenlong Wang, Wenjie Liao, Xiangdong Yang, Wei Shui, Jun Wu, ShiHuai Deng. An emergy evaluation of the sewage sludge treatment system with earthworm compositing technology in Chengdu, China. Ecological Engineering. 2018; 110 ():8-17.

Chicago/Turabian Style

Xiaohong Zhang; Ni Xiang; Wenlong Wang; Wenjie Liao; Xiangdong Yang; Wei Shui; Jun Wu; ShiHuai Deng. 2018. "An emergy evaluation of the sewage sludge treatment system with earthworm compositing technology in Chengdu, China." Ecological Engineering 110, no. : 8-17.

Journal article
Published: 01 October 2017 in Journal of Cleaner Production
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ACS Style

Xiaohong Zhang; Yanqing Wang; Yan Qi; Jun Wu; Wenjie Liao; Wei Shui; Yanzong Zhang; ShiHuai Deng; Hong Peng; Xiaoyu Yu; Hui Qi. Reprint of: Evaluating the trends of China’s ecological civilization construction using a novel indicator system. Journal of Cleaner Production 2017, 163, S338 -S351.

AMA Style

Xiaohong Zhang, Yanqing Wang, Yan Qi, Jun Wu, Wenjie Liao, Wei Shui, Yanzong Zhang, ShiHuai Deng, Hong Peng, Xiaoyu Yu, Hui Qi. Reprint of: Evaluating the trends of China’s ecological civilization construction using a novel indicator system. Journal of Cleaner Production. 2017; 163 ():S338-S351.

Chicago/Turabian Style

Xiaohong Zhang; Yanqing Wang; Yan Qi; Jun Wu; Wenjie Liao; Wei Shui; Yanzong Zhang; ShiHuai Deng; Hong Peng; Xiaoyu Yu; Hui Qi. 2017. "Reprint of: Evaluating the trends of China’s ecological civilization construction using a novel indicator system." Journal of Cleaner Production 163, no. : S338-S351.

Journal article
Published: 01 January 2017 in Ecological Indicators
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ACS Style

Xiaohong Zhang; Jianming Shen; Yanqing Wang; Yan Qi; Wenjie Liao; Wei Shui; Li Li; Hui Qi; Xiaoyu Yu. An environmental sustainability assessment of China’s cement industry based on emergy. Ecological Indicators 2017, 72, 452 -458.

AMA Style

Xiaohong Zhang, Jianming Shen, Yanqing Wang, Yan Qi, Wenjie Liao, Wei Shui, Li Li, Hui Qi, Xiaoyu Yu. An environmental sustainability assessment of China’s cement industry based on emergy. Ecological Indicators. 2017; 72 ():452-458.

Chicago/Turabian Style

Xiaohong Zhang; Jianming Shen; Yanqing Wang; Yan Qi; Wenjie Liao; Wei Shui; Li Li; Hui Qi; Xiaoyu Yu. 2017. "An environmental sustainability assessment of China’s cement industry based on emergy." Ecological Indicators 72, no. : 452-458.

Journal article
Published: 01 October 2016 in Journal of Cleaner Production
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ACS Style

Xiaohong Zhang; Yanqing Wang; Yan Qi; Jun Wu; Wenjie Liao; Wei Shui; Yanzong Zhang; ShiHuai Deng; Hong Peng; Xiaoyu Yu; Hui Qi. Evaluating the trends of China's ecological civilization construction using a novel indicator system. Journal of Cleaner Production 2016, 133, 910 -923.

AMA Style

Xiaohong Zhang, Yanqing Wang, Yan Qi, Jun Wu, Wenjie Liao, Wei Shui, Yanzong Zhang, ShiHuai Deng, Hong Peng, Xiaoyu Yu, Hui Qi. Evaluating the trends of China's ecological civilization construction using a novel indicator system. Journal of Cleaner Production. 2016; 133 ():910-923.

Chicago/Turabian Style

Xiaohong Zhang; Yanqing Wang; Yan Qi; Jun Wu; Wenjie Liao; Wei Shui; Yanzong Zhang; ShiHuai Deng; Hong Peng; Xiaoyu Yu; Hui Qi. 2016. "Evaluating the trends of China's ecological civilization construction using a novel indicator system." Journal of Cleaner Production 133, no. : 910-923.

Journal article
Published: 01 January 2016 in Journal of Cleaner Production
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Air pollution problems in China are related to imperfect legislation and potential integration problems among legislation, plans, and policies from the perspective of legislation, planning, and policy-making. Recent English-language articles focus on revision of the Air Pollution Prevention and Control Law of China. The purpose of this study is to make the overall system for prevention and control of air pollution in China understood by a broader audience by providing an overview of the pertinent legislation, plans, and policies, since such a review has not been presented so far. At the beginning of this article, we clarify the key definitions of legislation, plan, and policy and establish a preliminary analytical framework for evaluating the integration of legislation, plans, and policies. Then we present a variety of pieces of legislation at national, local, and international levels, including the Constitution, national laws, national administrative regulations and departmental rules, and local regulations and rules that were selected because of their direct and close relation to the prevention and control of air pollution, especially particulate matter. We divide the history of legislation since 1956 into four phases: preceding (1956-1978), beginning (1979-1999), development (2000-2013), and improvement (since 2014), putting emphases on changes in legislation in each phase. We also describe the 12th Five-Year Plan for National Economic and Social Development the 12th Five-Year Plan on Prevention and Control of Air Pollution in Key Regions, the Action Plan on Prevention and Control of Air Pollution, and a series of policies on energy conservation, emission reduction, and energy use. We then comment on challenges of defects within the legislation framework and integration problems among legislation, plans, and policies. Finally, we put forward some improvement measures to address the challenges: (1) stipulating special provisions for prevention and control of motor vehicle pollution, (2) empowering local environmental protection bureaus to enforce the air-pollutant-emission permit system, (3) improving the feasibility of the air-pollutant-emission trading system, (4) clarifying government responsibility and intensifying penalties, and (5) integrating relations among legislation, plans, and policies

ACS Style

Lu Feng; Wenjie Liao. Legislation, plans, and policies for prevention and control of air pollution in China: achievements, challenges, and improvements. Journal of Cleaner Production 2016, 112, 1549 -1558.

AMA Style

Lu Feng, Wenjie Liao. Legislation, plans, and policies for prevention and control of air pollution in China: achievements, challenges, and improvements. Journal of Cleaner Production. 2016; 112 ():1549-1558.

Chicago/Turabian Style

Lu Feng; Wenjie Liao. 2016. "Legislation, plans, and policies for prevention and control of air pollution in China: achievements, challenges, and improvements." Journal of Cleaner Production 112, no. : 1549-1558.

Journal article
Published: 02 July 2015 in Environmental Science & Technology
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Environ. Sci. Technol.ISI Document Delivery No.: CR5WTTimes Cited: 0Cited Reference Count: 50Liao, Wenjie van der Werf, Hayo M. G. Salmon-Monviola, JordyEuropean Union Marie-Curie FP7 COFUND People Program through AgreenSkills fellowship [267196]W.L. received support from the European Union Marie-Curie FP7 COFUND People Program through the award of an AgreenSkills fellowship (grant agreement no. 267196).Amer chemical socWashingtonOne of the major challenges in environmental life cycle assessment (LCA) of crop production is the nonlinearity between nitrogen (N) fertilizer inputs and onsite N emissions resulting from complex biogeochemical processes. A few studies have addressed this nonlinearity by combining process-based N simulation models with LCA, but none accounted for nitrate (NO3-) flows across fields. In this study, we present a new method, TNT2-LCA, that couples the topography-based simulation of nitrogen transfer and transformation (TNT2) model with LCA, and compare the new method with a current LCA method based on a French life cycle inventory database. Application of the two methods to a case study of crop production in a catchment in France showed that, compared to the current method, TNT2-LCA allows delineation of more appropriate temporal limits when developing data for on-site N emissions associated with specific crops in this catchment. It also improves estimates of NO3- emissions by better consideration of agricultural practices, soil-climatic conditions, and spatial interactions of NO3- flows across fields, and by providing predicted crop yield. The new method presented in this study provides improved LCA of crop production at the catchment scale

ACS Style

Wenjie Liao; Hayo van der Werf; Jordy Salmon-Monviola. Improved Environmental Life Cycle Assessment of Crop Production at the Catchment Scale via a Process-Based Nitrogen Simulation Model. Environmental Science & Technology 2015, 49, 10790 -10796.

AMA Style

Wenjie Liao, Hayo van der Werf, Jordy Salmon-Monviola. Improved Environmental Life Cycle Assessment of Crop Production at the Catchment Scale via a Process-Based Nitrogen Simulation Model. Environmental Science & Technology. 2015; 49 (18):10790-10796.

Chicago/Turabian Style

Wenjie Liao; Hayo van der Werf; Jordy Salmon-Monviola. 2015. "Improved Environmental Life Cycle Assessment of Crop Production at the Catchment Scale via a Process-Based Nitrogen Simulation Model." Environmental Science & Technology 49, no. 18: 10790-10796.

Book chapter
Published: 30 October 2014 in Environmental Indicators
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Natural resources are the non-substitutable biophysical basis for our economy growth. Transforming current unsustainable economies requires changes to technologies that are thermodynamically speaking a conversion of natural resources from the ecosphere into products and services to meet human needs in the anthroposphere. Certain conditions of thermodynamic change should be respected to ensure the environmental sustainability of technologies. This chapter presents how to use natural resources, particularly non-renewable resources, as a basis to formulate such an environmental indicator. Cumulative exergy demand of non-renewable resources is introduced as an environmental indicator that measures the thermodynamic change in the environment caused by technologies in terms of the extraction of exergy of fossil fuels, nuclear fuels, metal ores, and minerals from the environment and the emission of heat to the environment. The case of global liquid biofuel production is studied to demonstrate the feasibility of the environmental indicator.

ACS Style

Wenjie Liao; Reinout Heijungs. Non-renewable Resources as Indicator of Thermodynamic Changes in Environment. Environmental Indicators 2014, 3 -13.

AMA Style

Wenjie Liao, Reinout Heijungs. Non-renewable Resources as Indicator of Thermodynamic Changes in Environment. Environmental Indicators. 2014; ():3-13.

Chicago/Turabian Style

Wenjie Liao; Reinout Heijungs. 2014. "Non-renewable Resources as Indicator of Thermodynamic Changes in Environment." Environmental Indicators , no. : 3-13.

Journal article
Published: 03 May 2012 in The International Journal of Life Cycle Assessment
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While life cycle assessment (LCA) has standardized methods for assessing emission impacts, some comparable methods for the accounting or impact assessment of resource use exist, but are not as mature or standardized. This study contributes to the existing research by offering a comprehensive comparison of the similarities and differences of different resource indicators, in particular those based on thermodynamics, and testing them in a case study on titania (titanium dioxide pigment) produced in Panzhihua city, southwest China.

ACS Style

Wenjie Liao; Reinout Heijungs; Gjalt Huppes. Thermodynamic resource indicators in LCA: a case study on the titania produced in Panzhihua city, southwest China. The International Journal of Life Cycle Assessment 2012, 17, 951 -961.

AMA Style

Wenjie Liao, Reinout Heijungs, Gjalt Huppes. Thermodynamic resource indicators in LCA: a case study on the titania produced in Panzhihua city, southwest China. The International Journal of Life Cycle Assessment. 2012; 17 (8):951-961.

Chicago/Turabian Style

Wenjie Liao; Reinout Heijungs; Gjalt Huppes. 2012. "Thermodynamic resource indicators in LCA: a case study on the titania produced in Panzhihua city, southwest China." The International Journal of Life Cycle Assessment 17, no. 8: 951-961.

Review
Published: 01 March 2012 in Ecological Modelling
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The term Anthropocene, which is used by many scientists to refer to the current era, reflects various environmental issues caused by anthropogenic activities. The energy flows and conversions in the anthroposphere and the anthropogenic impacts on the ecosphere, as two major aspects of the physical part of industrial ecology, are both subject to the laws of thermodynamics. After an introduction to human-environment systems and industrial ecology in the Anthropocene, this review focuses on the role and applications of thermodynamic analysis in industrial ecology based on a thermodynamic definition of human-environment systems at four levels, i.e., the ecosphere (A), the anthroposphere (B), the supply chain (C), and the foreground system (D). It argues that process engineering thermodynamics (at level D) and ecological energetics (at level A) are the most mature applications, and the primary benefit added by thermodynamic analysis to industrial ecology lies in the physical validation and quantitative formulation of thermodynamics. The review also indicates the challenges of using thermodynamic analysis to understand the physical complexity of industrial ecology and to guide sustainability decision-making call for a joint effort by thermodynamic analysis and ecosystems ecology and for more insights from social sciences

ACS Style

Wenjie Liao; Reinout Heijungs; Gjalt Huppes. Thermodynamic analysis of human–environment systems: A review focused on industrial ecology. Ecological Modelling 2012, 228, 76 -88.

AMA Style

Wenjie Liao, Reinout Heijungs, Gjalt Huppes. Thermodynamic analysis of human–environment systems: A review focused on industrial ecology. Ecological Modelling. 2012; 228 ():76-88.

Chicago/Turabian Style

Wenjie Liao; Reinout Heijungs; Gjalt Huppes. 2012. "Thermodynamic analysis of human–environment systems: A review focused on industrial ecology." Ecological Modelling 228, no. : 76-88.

Review article
Published: 31 January 2012 in Renewable and Sustainable Energy Reviews
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The Anthropocene is the later part of the Holocene where human activity has become a major driver for global ecosystem development. The demand of natural resources, renewable and non-renewable, is a crucial aspect of environmental (un-) sustainability. When considering a societal transition scheme towards sustainability, bio-based options come to the fore. The article develops a global framework for the analysis of natural resource demand of global biofuels. The framework defines the biofuel system in terms of exergy at four levels, i.e., the foreground system, the supply chain, the anthroposphere, and the ecosphere. Various measures of resource demand, such as cumulative exergy demand, global and anthropogenic exergy budgets are incorporated into the framework. Based on reviews of global biofuel production and natural resource demand of the anthroposphere, the study finds that the production of conventional biofuels, i.e., first generation of biodiesel and bioethanol by key producer countries in 2008 consumed 9.32 E+11 MJ of exergy from non-renewable resources and accounted for 0.23% of the total anthropogenic non-renewable resource demand. In addition, it shows that the contribution to climate change due to the heat emission of the global biofuel production was 5.79 E-05 W/m 2, which would reach up to 0.002% of global greenhouse warming if anthropogenic heat flux is treated as a climate forcing

ACS Style

Wenjie Liao; Reinout Heijungs; Gjalt Huppes. Natural resource demand of global biofuels in the Anthropocene: A review. Renewable and Sustainable Energy Reviews 2012, 16, 996 -1003.

AMA Style

Wenjie Liao, Reinout Heijungs, Gjalt Huppes. Natural resource demand of global biofuels in the Anthropocene: A review. Renewable and Sustainable Energy Reviews. 2012; 16 (1):996-1003.

Chicago/Turabian Style

Wenjie Liao; Reinout Heijungs; Gjalt Huppes. 2012. "Natural resource demand of global biofuels in the Anthropocene: A review." Renewable and Sustainable Energy Reviews 16, no. 1: 996-1003.