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Tse-Lun Chen
Graduate Institute of Environmental Engineering, National Taiwan University, 71 Chou-Shan Road, Da-an District, Taipei City 10673, Taiwan

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Journal article
Published: 22 April 2021 in Sustainability
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Green infrastructure practices could provide innovative solutions for on-site stormwater management and runoff pollution control, which could relieve the stress of nonpoint pollution resulting from heavy rainfall events. In this study, the performance and cost-effectiveness of six green infrastructure practices, namely, green roofs, rain gardens, pervious surfaces, swales, detention basins, and constructed wetlands, were investigated. The comprehensive performance evaluation in terms of the engineering performance, environmental impact, and economic cost was determined in the proposed engineering–environmental–economic (3E) triangle model. The results revealed that these green infrastructure practices were effective for stormwater management in terms of runoff attenuation, peak flow reduction and delay, and pollutant attenuation. It was suggested that for pollution control, detention basins can efficiently reduce the total suspended solids, total nitrogen, total phosphorus, and lead. The implementation of detention basins is highly recommended due to their higher engineering performance and lower environmental impact and economic cost. A case study of a preliminary cost–benefit analysis of green infrastructure practice exemplified by the Pearl River Delta in China was addressed. It suggested that green infrastructure was cost-effective in stormwater management in this area, which would be helpful for sustaining healthy urban watersheds.

ACS Style

Yi-Jia Xing; Tse-Lun Chen; Meng-Yao Gao; Si-Lu Pei; Wei-Bin Pan; Pen-Chi Chiang. Comprehensive Performance Evaluation of Green Infrastructure Practices for Urban Watersheds Using an Engineering–Environmental–Economic (3E) Model. Sustainability 2021, 13, 4678 .

AMA Style

Yi-Jia Xing, Tse-Lun Chen, Meng-Yao Gao, Si-Lu Pei, Wei-Bin Pan, Pen-Chi Chiang. Comprehensive Performance Evaluation of Green Infrastructure Practices for Urban Watersheds Using an Engineering–Environmental–Economic (3E) Model. Sustainability. 2021; 13 (9):4678.

Chicago/Turabian Style

Yi-Jia Xing; Tse-Lun Chen; Meng-Yao Gao; Si-Lu Pei; Wei-Bin Pan; Pen-Chi Chiang. 2021. "Comprehensive Performance Evaluation of Green Infrastructure Practices for Urban Watersheds Using an Engineering–Environmental–Economic (3E) Model." Sustainability 13, no. 9: 4678.

Paper
Published: 24 July 2020 in Reaction Chemistry & Engineering
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Ca2+ leaching and carbonation kinetics associated with liquid side mass transfer for CO2 mineralization of alkaline solid wastes in a RPB were determined.

ACS Style

Tse-Lun Chen; Si-Lu Pei; Pen-Chi Chiang. Integrated leaching–carbonation kinetic model on CO2 mineralization of alkaline solid wastes in a high-gravity rotating packed bed. Reaction Chemistry & Engineering 2020, 5, 1 .

AMA Style

Tse-Lun Chen, Si-Lu Pei, Pen-Chi Chiang. Integrated leaching–carbonation kinetic model on CO2 mineralization of alkaline solid wastes in a high-gravity rotating packed bed. Reaction Chemistry & Engineering. 2020; 5 (10):1.

Chicago/Turabian Style

Tse-Lun Chen; Si-Lu Pei; Pen-Chi Chiang. 2020. "Integrated leaching–carbonation kinetic model on CO2 mineralization of alkaline solid wastes in a high-gravity rotating packed bed." Reaction Chemistry & Engineering 5, no. 10: 1.

Journal article
Published: 17 July 2020 in Fuel
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The high-gravity rotating packed bed (HiGee RPB) developed here can simultaneously remove multiple air pollutants using alkaline solution, thus achieving the flue gas deep purification. The electric-arc-furnace reduction slag (EAFRS) leachate was then used as the alkaline absorbent in HiGee RPB for assessing the removal efficiencies of nitrogen oxide (NOx), carbon dioxide (CO2) and particulate matters (PM) from flue gas. The results indicated the changes to the CO2 capture was enhanced by increasing the initial PH value of the alkaline solution. In contrast, this value has no significant influence on NOx removal. The suitable NOx removal efficiency ranged from 90.9% to 97.09% at the liquid-to-gas (L/G) ratio of 0.01 and high gravity factor of 58.9 to 368. The precipitated calcium carbonate gained from carbonation via HiGee process exhibited similar physical properties to commercial products. In addition, 95.9% of PM removal efficiency was achieved at the L/G ratio and high gravity factor of 0.03 and 235.4, respectively. This treatment furthermore demonstrated a high efficiency for PM collection of over 90% and balanced the energy consumption. Based on the result, an Aspen simulation and a preliminary cost-benefit analysis were carried out to develop a mass-balance model for this system and determine the favorable operating conditions.

ACS Style

Tse-Lun Chen; Yi-Xuan Xiong; Yi-Hung Chen; Pen-Chi Chiang; Yen-Hau Chen. Performance evaluation and process simulation for synergetic removal of NOx, CO2 and PM using green alkaline solution in a high-gravity rotating packed bed. Fuel 2020, 280, 118643 .

AMA Style

Tse-Lun Chen, Yi-Xuan Xiong, Yi-Hung Chen, Pen-Chi Chiang, Yen-Hau Chen. Performance evaluation and process simulation for synergetic removal of NOx, CO2 and PM using green alkaline solution in a high-gravity rotating packed bed. Fuel. 2020; 280 ():118643.

Chicago/Turabian Style

Tse-Lun Chen; Yi-Xuan Xiong; Yi-Hung Chen; Pen-Chi Chiang; Yen-Hau Chen. 2020. "Performance evaluation and process simulation for synergetic removal of NOx, CO2 and PM using green alkaline solution in a high-gravity rotating packed bed." Fuel 280, no. : 118643.

Review article
Published: 23 June 2020 in Water-Energy Nexus
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The water management in various countries of the world provides a comprehensive understanding of the international movement on healthy watershed management. Watershed characteristics including River basin management in the UK, eco-health watershed management in Canada, sustainable water management in Korea, integrated watershed management in Japan, and healthy watershed management in the US. have been examined in this review. Pioneering countries utilize green infrastructural applications to improve their resilience against climate change by adopting adaptive solutions and mitigating pollution sources. This paper includes an overview of the implementation of green infrastructure exemplified by bioretention in urban development and ecosystem maintenance. The good engineering practice for bioretention was established by applying data collected from other research. Biomantle and semi-direct injection of storm water are the two methods for sustaining bioretention functionalities for peak flow reduction and soil stability enhancement. Maximum pollutants reduction efficiencies by bioretention were reported in the past research, including 99% of phosphorus, 82% of nitrate, 92% of heavy metals, and 96% of suspended solid. Lastly, a conclusive benefit analysis of green infrastructure from environmental, economic, and social perspectives was conducted.

ACS Style

Bo-Wei Liu; Ming-Huang Wang; Tse-Lun Chen; Po-Chih Tseng; Yongjun Sun; Andrew Chiang; Pen-Chi Chiang. Establishment and implementation of green infrastructure practice for healthy watershed management: Challenges and perspectives. Water-Energy Nexus 2020, 3, 186 -197.

AMA Style

Bo-Wei Liu, Ming-Huang Wang, Tse-Lun Chen, Po-Chih Tseng, Yongjun Sun, Andrew Chiang, Pen-Chi Chiang. Establishment and implementation of green infrastructure practice for healthy watershed management: Challenges and perspectives. Water-Energy Nexus. 2020; 3 ():186-197.

Chicago/Turabian Style

Bo-Wei Liu; Ming-Huang Wang; Tse-Lun Chen; Po-Chih Tseng; Yongjun Sun; Andrew Chiang; Pen-Chi Chiang. 2020. "Establishment and implementation of green infrastructure practice for healthy watershed management: Challenges and perspectives." Water-Energy Nexus 3, no. : 186-197.

Journal article
Published: 17 May 2020 in Journal of Hazardous Materials
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Fly ash from municipal solid waste incineration is considered as a hazardous waste, which would raise great threats on environmental safety due to the inherent toxic heavy metals and organic pollutants. In this study, we applied the life cycle assessment to evaluate the thermal plasma vitrification process for stabilization of fly ash from municipal solid waste incineration. We established four scenarios: (i) plasma vitrification, including centralized and off-site plasma treatment, (ii) fuel-based vitrification, (iii) water-washing treatment followed by a rotary kiln, and (iv) conventional solidification and landfill. We found that the environmental impacts, especially toxicity to ecosystem quality and human health, could be significantly reduced by deploying plasma vitrification technology. We also found that centralized plasma vitrification facilities possessing larger treatment capabilities with clean electricity could further reduce the environmental impacts. In contrast, the water-washing treatment exhibited the highest environmental impacts due to the emissions of vaporized heavy metals. Based on the LCA and sensitivity analysis, we confirmed that the thermal plasma vitrification should be considered as an environmentally-friendly solution to sustainable treatment of fly ash from municipal solid waste incineration. Lastly, we provided several perspectives and prospects of plasma vitrification for realizing the sustainable materials management.

ACS Style

Si-Lu Pei; Tse-Lun Chen; Shu-Yuan Pan; Yan-Ling Yang; Zhong-Hua Sun; Yao-Jian Li. Addressing environmental sustainability of plasma vitrification technology for stabilization of municipal solid waste incineration fly ash. Journal of Hazardous Materials 2020, 398, 122959 .

AMA Style

Si-Lu Pei, Tse-Lun Chen, Shu-Yuan Pan, Yan-Ling Yang, Zhong-Hua Sun, Yao-Jian Li. Addressing environmental sustainability of plasma vitrification technology for stabilization of municipal solid waste incineration fly ash. Journal of Hazardous Materials. 2020; 398 ():122959.

Chicago/Turabian Style

Si-Lu Pei; Tse-Lun Chen; Shu-Yuan Pan; Yan-Ling Yang; Zhong-Hua Sun; Yao-Jian Li. 2020. "Addressing environmental sustainability of plasma vitrification technology for stabilization of municipal solid waste incineration fly ash." Journal of Hazardous Materials 398, no. : 122959.

Journal article
Published: 06 March 2020 in Chemical Engineering Journal
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In order to intensify the gas-liquid absorption processes in the field of energy and environment, high-gravity rotating packed bed (HiGee RPB) has been successfully applied in the multiple air pollutants abatement and CO2 capture by mineralization. Since the mass transfer and chemical reaction through gas-liquid absorption were found to be the key factors affecting acid gas removal, a mass transfer model based on the two-film theory for simultaneous removal of NOx-SO2-CO2 in an RPB was developed in this study. The mass transfer parameters including overall gas-phase mass transfer coefficient (KGa), height of a transfer unit (HTU), liquid mass transfer rate (kL) and enhancement factor (E) were theoretically determined from the experimental data. The effect of key dimensionless operating factors such as high gravity factor (β), gas-to-liquid ratio (GLR), and liquid-to-solid ratio (LSR) on mass transfer parameters were evaluated. Based on the results obtained in this study, the enhancement of high gravity filed on mass transfer and removal efficiencies of NOx and CO2 were significantly higher than that of SO2. It was inferred that the carbonation reaction could compensate the removal efficiency of acid gaseous pollutants at the lower mass transfer rate. The relationship between mass transfer rate and energy consumption for the multiple air pollutant control via a HiGee process was established. The favorable operating factors for NOx-SO2-CO2 simultaneous removal in an RPB were suggested as β of 233.8, GLR of 69.5 and LSR of 40.

ACS Style

Tse-Lun Chen; Yi-Hung Chen; Pen-Chi Chiang. Enhanced performance on simultaneous removal of NOx-SO2-CO2 using a high-gravity rotating packed bed and alkaline wastes towards green process intensification. Chemical Engineering Journal 2020, 393, 124678 .

AMA Style

Tse-Lun Chen, Yi-Hung Chen, Pen-Chi Chiang. Enhanced performance on simultaneous removal of NOx-SO2-CO2 using a high-gravity rotating packed bed and alkaline wastes towards green process intensification. Chemical Engineering Journal. 2020; 393 ():124678.

Chicago/Turabian Style

Tse-Lun Chen; Yi-Hung Chen; Pen-Chi Chiang. 2020. "Enhanced performance on simultaneous removal of NOx-SO2-CO2 using a high-gravity rotating packed bed and alkaline wastes towards green process intensification." Chemical Engineering Journal 393, no. : 124678.

Journal article
Published: 12 February 2020 in Process Safety and Environmental Protection
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The air pollutant emission related to the anthropogenic activities affecting the environment and human health was a critical problem. Fine or ultrafine particulate matters were the major air pollutant from the industries. Thus, the high-gravity technology has holistically been applied to the integrated air pollution control due to its advances of low land demand, high mass transfer rate, low economic cost and easy operation and maintenance. In this study, the fine particle removal using a co-current flow rotating packed bed (CF-RPB) was evaluated along with different key parameters, including high gravity factor and liquid-to-gas (L/G) ratio. The obtained results suggested that CF-RPB could improve the particle removal efficiency up to 99.75 % which was increased as the high gravity factor and L/G ratio increased. In this study, a theoretical model was developed to describe that the particle size of 0.1 μm accounted for the major concentration. Furthermore, the environmental benefit of different particle control technologies was evaluated using environmental cost accounting. The results indicated that the application of CF-RPB for particle emissions control performed greater economic feasibility than Venturi scrubber and baghouse filter. CF-RPB could also be applied to the particulate and gaseous air pollutants removal, which has more advances than the electrostatic precipitator.

ACS Style

Kai-Yu Lin; Tse-Lun Chen; Yi-Hung Chen; Pen-Chi Chiang. Performance evaluation and environmental benefit assessment of fine particle removal using a co-current flow rotating packed bed. Process Safety and Environmental Protection 2020, 137, 73 -81.

AMA Style

Kai-Yu Lin, Tse-Lun Chen, Yi-Hung Chen, Pen-Chi Chiang. Performance evaluation and environmental benefit assessment of fine particle removal using a co-current flow rotating packed bed. Process Safety and Environmental Protection. 2020; 137 ():73-81.

Chicago/Turabian Style

Kai-Yu Lin; Tse-Lun Chen; Yi-Hung Chen; Pen-Chi Chiang. 2020. "Performance evaluation and environmental benefit assessment of fine particle removal using a co-current flow rotating packed bed." Process Safety and Environmental Protection 137, no. : 73-81.

Journal article
Published: 08 February 2020 in Separation and Purification Technology
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Urban mining that uses an electronic waste recycling process is an emerging industry that is used to recover several high-value precious metals to reduce natural degradation and depletion. To obtain these precious metals more effectively, integrated circuit (IC) chips are pretreated using a carbonization process. In this study, the gold stripping efficiency for various types of IC chips was evaluated. To reduce the carried fine particle emitted from the exhaust gas of the carbonization process, a high-gravity rotating packed bed (HiGee RPB) generating micro-mixing the gas and liquid phases under a centrifugal force was applied. The performance in terms of particle removal efficiency under different high-gravity factor and gas-to-liquid ratio was determined. The result indicated that a pyrolysis temperature of 800 °C gives the maximum gold stripping efficiency of 99.8% and a minimum particle concentration of 23 mg m−3. The particle removal efficiency increased as the high-gravity factor and liquid flow rate increased. An empirical model is used to describe the particle collection mechanism based on the experiment data and control variables. The mechanism includes Brownian diffusion, inertial impaction and interception, which affect the removal efficiency for different particle sizes. Finally, the process was optimized in terms of the removal efficiency and the energy consumption using a response surface model. A minimum level of energy consumption with a particle emission concentration of 16.9 mg m−3 is necessary for the IC chip carbonization process.

ACS Style

Gia-Han Huynh; Tse-Lun Chen; Ching-Hsiang Hsu; Yi-Hung Chen; Pen-Chi Chiang. Process integration of E-waste carbonization and High-gravity rotating packed bed for optimal gold recovery and the fine particles reduction. Separation and Purification Technology 2020, 241, 116686 .

AMA Style

Gia-Han Huynh, Tse-Lun Chen, Ching-Hsiang Hsu, Yi-Hung Chen, Pen-Chi Chiang. Process integration of E-waste carbonization and High-gravity rotating packed bed for optimal gold recovery and the fine particles reduction. Separation and Purification Technology. 2020; 241 ():116686.

Chicago/Turabian Style

Gia-Han Huynh; Tse-Lun Chen; Ching-Hsiang Hsu; Yi-Hung Chen; Pen-Chi Chiang. 2020. "Process integration of E-waste carbonization and High-gravity rotating packed bed for optimal gold recovery and the fine particles reduction." Separation and Purification Technology 241, no. : 116686.

Journal article
Published: 30 January 2020 in Science of The Total Environment
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Green chemistry principles (GCP) are comprehensively deployed in industrial management, governmental policy, educational practice, and technology development around the world. Circular economy always aims to balance the economic growth, resource sustainability, and environmental protection. This article offers a highlight on issues of significance within GCP and circular economy, and proposes the integrated strategies for GCP implementation from the aspects of governance, industry and education. At first, we developed a new categorizing system for GCP dividing to (i) pollution and accident prevention, (ii) safety and resource sustainability, and (iii) energy and resource sustainability. To assess the GCP practice towards the circular economy, the implementation of international movement of GCP in worldwide policy, especially those of Canada, China, Germany, Japan, South Korea, Sweden, Taiwan, United States and United Kingdom were reviewed. The policy implementation of GCP practices among governance, industries and education was analyzed. To integrate GCP into the circular economy concept, we also proposed five strategies of priority governance direction as follows: (i) establishment of cross-departmental collaboration, (ii) development of cleaner production and green product, (iii) provision of integrated chemical management system, (iv) implementation of green chemistry education program, and (v) construction of a business model. Finally, we discussed the prospects of disciplinary elements including the establishment of redesign-reduction-recovery-recycle-reuse (5R) practices for wastes reclamation, deployment of water-energy-food nexus with GCP to improve the food security and resource sustainability, and implementation of GCP in the green smart industrial park.

ACS Style

Tse-Lun Chen; Hyunook Kim; Shu-Yuan Pan; Po-Chih Tseng; Yi-Pin Lin; Pen-Chi Chiang. Implementation of green chemistry principles in circular economy system towards sustainable development goals: Challenges and perspectives. Science of The Total Environment 2020, 716, 136998 .

AMA Style

Tse-Lun Chen, Hyunook Kim, Shu-Yuan Pan, Po-Chih Tseng, Yi-Pin Lin, Pen-Chi Chiang. Implementation of green chemistry principles in circular economy system towards sustainable development goals: Challenges and perspectives. Science of The Total Environment. 2020; 716 ():136998.

Chicago/Turabian Style

Tse-Lun Chen; Hyunook Kim; Shu-Yuan Pan; Po-Chih Tseng; Yi-Pin Lin; Pen-Chi Chiang. 2020. "Implementation of green chemistry principles in circular economy system towards sustainable development goals: Challenges and perspectives." Science of The Total Environment 716, no. : 136998.

Research article
Published: 20 January 2020 in Industrial & Engineering Chemistry Research
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An integrated reclaimed process of refining slag with calcium-containing wastewater for CO2 mineralization and utilization by using a high-gravity carbonation process was proposed in this study. The effect of various liquid agents on calcium ion leaching behavior from the refining slag was determined and the mass-loss method was used to evaluate the leaching kinetics. The influence of different high gravity factor and liquid-to-solid ratio on carbonation conversions were investigated and the reaction kinetics were identified via surface coverage model. The efficacy of refining slag utilized as supplementary cementitious materials including workability and mechanical strength was assessed. The morphological, mineralogical and thermal analyses were carried out and the results revealed the presence of calcite to support the carbonation theory. The results of maximal CO2 capture capacity of 0.183 g CO2 per g slag and performance of carbonated slag utilization with 5% and 10% substitution ratio confirmed the feasibility of the integrated reclaimed process.

ACS Style

Tse-Lun Chen; Wen Jiang; Ai-Lin Shen; Yi-Hung Chen; Shu-Yuan Pan; Pen-Chi Chiang. CO2 Mineralization and Utilization Using Various Calcium-Containing Wastewater and Refining Slag via a High-Gravity Carbonation Process. Industrial & Engineering Chemistry Research 2020, 59, 7140 -7150.

AMA Style

Tse-Lun Chen, Wen Jiang, Ai-Lin Shen, Yi-Hung Chen, Shu-Yuan Pan, Pen-Chi Chiang. CO2 Mineralization and Utilization Using Various Calcium-Containing Wastewater and Refining Slag via a High-Gravity Carbonation Process. Industrial & Engineering Chemistry Research. 2020; 59 (15):7140-7150.

Chicago/Turabian Style

Tse-Lun Chen; Wen Jiang; Ai-Lin Shen; Yi-Hung Chen; Shu-Yuan Pan; Pen-Chi Chiang. 2020. "CO2 Mineralization and Utilization Using Various Calcium-Containing Wastewater and Refining Slag via a High-Gravity Carbonation Process." Industrial & Engineering Chemistry Research 59, no. 15: 7140-7150.

Journal article
Published: 01 January 2020 in Aerosol and Air Quality Research
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The international journal of Aerosol and Air Quality Research (AAQR) covers all aspects of aerosol science and technology, atmospheric science and air quality related issues.

ACS Style

Xiaoni He; Merrisa Lin; Tse-Lun Chen; Bowei Liu; Po-Chih Tseng; Wenzhi Cao; Pen-Chi Chiang. Implementation Plan for Low-carbon Resilient City towards Sustainable Development Goals: Challenges and Perspectives. Aerosol and Air Quality Research 2020, 1 .

AMA Style

Xiaoni He, Merrisa Lin, Tse-Lun Chen, Bowei Liu, Po-Chih Tseng, Wenzhi Cao, Pen-Chi Chiang. Implementation Plan for Low-carbon Resilient City towards Sustainable Development Goals: Challenges and Perspectives. Aerosol and Air Quality Research. 2020; ():1.

Chicago/Turabian Style

Xiaoni He; Merrisa Lin; Tse-Lun Chen; Bowei Liu; Po-Chih Tseng; Wenzhi Cao; Pen-Chi Chiang. 2020. "Implementation Plan for Low-carbon Resilient City towards Sustainable Development Goals: Challenges and Perspectives." Aerosol and Air Quality Research , no. : 1.

Journal article
Published: 01 January 2020 in Aerosol and Air Quality Research
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In order to mitigate the challenges of air pollution prevention and improvement, a large number of Internet of Things (IoT) related technologies have been developed to evaluate and monitor various parameters of air quality. This paper reviews the fundamental characteristics of IoT technologies and accordingly proposes an intelligent and multifunctional IoT monitoring platform to prevent and improve air pollution. The techniques of radio frequency identification (RFID), M2M and sensor network were discussed and compared. To improve the ambient air quality more efficiently, the comprehensive network communication system, cloud decision system, tracking information system, and online management system should be well established using IoT technologies. Meanwhile, we also discussed several cases verifying the availability and feasibility of the performance of the smart ambient air quality management platform on the IoT basis.

ACS Style

Yu-Lin Zhao; Jiali Tang; Han-Pang Huang; Ze Wang; Tse-Lun Chen; Chih-Wei Chiang; Pen-Chi Chiang. Development of IoT Technologies for Air Pollution Prevention and Improvement. Aerosol and Air Quality Research 2020, 20, 2874 -2888.

AMA Style

Yu-Lin Zhao, Jiali Tang, Han-Pang Huang, Ze Wang, Tse-Lun Chen, Chih-Wei Chiang, Pen-Chi Chiang. Development of IoT Technologies for Air Pollution Prevention and Improvement. Aerosol and Air Quality Research. 2020; 20 (12):2874-2888.

Chicago/Turabian Style

Yu-Lin Zhao; Jiali Tang; Han-Pang Huang; Ze Wang; Tse-Lun Chen; Chih-Wei Chiang; Pen-Chi Chiang. 2020. "Development of IoT Technologies for Air Pollution Prevention and Improvement." Aerosol and Air Quality Research 20, no. 12: 2874-2888.

Journal article
Published: 28 November 2019 in Journal of Environmental Management
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In this study, a high-gravity (HiGee) process incorporating CO2 and NOx reduction from flue gas in a petrochemical plant coupled with petroleum coke fly ash (PCFA) treatment was established. The performance of HiGee was systematically evaluated from the engineering, environmental, economic, and energy aspects (a total of 15 key performance indicators) to establish the air pollution, energy efficiency, waste utilization nexus. The engineering performance was evaluated that lower energy consumption of 78 kWh/t-CO2 can be achieved at a capture capacity of 600 kg CO2/t-PCFA. A net emission reduction of 327.3 kg-CO2/t-PCFA could be determined based on six environmental impact indicators. A cost-benefit analysis was conducted using operating cost, product sale, carbon credit, and savings in air pollution fees to present a better technological selection compared to existing carbon capture and storage plants. The waste heat recovery from the flue gas via the HiGee process could be measured via moisture condensation and attendant elimination of white smog emissions. Retrofitted heat recovery and energy intensity up to 131.8 kJ/t-PCFA and 0.21 kWh/t-PCFA were assessed. Finally, a comprehensive analysis of the HiGee process based on three daily load scenarios of CO2 capture scale were conducted, suggesting an optimal operating condition of the HiGee for generating profitability.

ACS Style

Tse-Lun Chen; Si-Lu Pei; Shu-Yuan Pan; Chia-Yii Yu; Chen-Lu Chang; Pen-Chi Chiang. An engineering-environmental-economic-energy assessment for integrated air pollutants reduction, CO2 capture and utilization exemplified by the high-gravity process. Journal of Environmental Management 2019, 255, 109870 .

AMA Style

Tse-Lun Chen, Si-Lu Pei, Shu-Yuan Pan, Chia-Yii Yu, Chen-Lu Chang, Pen-Chi Chiang. An engineering-environmental-economic-energy assessment for integrated air pollutants reduction, CO2 capture and utilization exemplified by the high-gravity process. Journal of Environmental Management. 2019; 255 ():109870.

Chicago/Turabian Style

Tse-Lun Chen; Si-Lu Pei; Shu-Yuan Pan; Chia-Yii Yu; Chen-Lu Chang; Pen-Chi Chiang. 2019. "An engineering-environmental-economic-energy assessment for integrated air pollutants reduction, CO2 capture and utilization exemplified by the high-gravity process." Journal of Environmental Management 255, no. : 109870.

Journal article
Published: 17 August 2019 in Chemosphere
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A high-gravity rotating packed bed (HiGee RPB) is very efficient at removing pollution because it exerts a strong high centrifugal and allows tiny droplets to form, which allows the control of gaseous and particulate air pollution. In this study, fine particles that are removed from integrated circuit (IC) chip carbonization process using a RPB are evaluated under different high gravity factors and liquid-to-gas ratios. The greatest number of particles captured per energy consumption is 17.77 mg kWh−1 in a RPB. This allow greater energy efficiency for the HiGee technology prevents an air-energy nexus. The maximum available particle removal efficiency for a RPB is determined using a response surface model (RSM). 99.5% of particles are removed at a high gravity factor of 262 and a liquid-to-gas ratio of 0.24. A semi-theoretical model is developed to determine the particle removal efficiency individually in packing and cavity zones of the RPB. More particles are removed in a cavity zone than in the packing zone as the high gravity factor increases. An empirical model shows that the particle removal efficiency depends on the operating factors. Finally, a comparison analysis of particulate matter treatment in various types of RPB is used to validate the performance in terms of particle removal using high-gravity technology for different industries.

ACS Style

Tse-Lun Chen; Tzu-Hao Huang; Ching-Hsiang Hsu; Yi-Hung Chen; Shu-Yuan Pan; Pen-Chi Chiang. Removal of fine particles from IC chip carbonization process in a rotating packed bed: Modeling and assessment. Chemosphere 2019, 238, 124600 .

AMA Style

Tse-Lun Chen, Tzu-Hao Huang, Ching-Hsiang Hsu, Yi-Hung Chen, Shu-Yuan Pan, Pen-Chi Chiang. Removal of fine particles from IC chip carbonization process in a rotating packed bed: Modeling and assessment. Chemosphere. 2019; 238 ():124600.

Chicago/Turabian Style

Tse-Lun Chen; Tzu-Hao Huang; Ching-Hsiang Hsu; Yi-Hung Chen; Shu-Yuan Pan; Pen-Chi Chiang. 2019. "Removal of fine particles from IC chip carbonization process in a rotating packed bed: Modeling and assessment." Chemosphere 238, no. : 124600.

Journal article
Published: 01 August 2019 in Journal of Cleaner Production
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In Taiwan, a significant amount of greenhouse gas emissions occur as a result of anthropogenic activities and rapid urbanization. In order to comply with the ‘Greenhouse Gas Reduction and Management Act’ and the “Nationally Determined Contribution” to abide by Paris Agreement, the Taiwanese Environmental Protection Administration has devised a framework for a carbon offset mechanism before a cap and trade scheme is introduced. This paper gives a snapshot of the Taiwanese context in implementing offset projects using a combination of a strengths-weaknesses-opportunities-threats (SWOT) analysis and multi-criteria decision making (MCDM) for the development of domestic carbon offset projects. An analytical hierarchy process (AHP) and a technique for order preference by similarity to ideal solution (TOPSIS) are used for quantitative analysis to identify the most feasible strategic alternatives in the SWOT matrix. A comparison analysis is conducted to compare the framework and governance of the Taiwanese carbon offset mechanism to a clean development mechanism (CDM). The results show that the weaknesses identify a potential alternative and the strengths and opportunities significantly overcome the threat. Therefore, the priority strategies include the establishment of an integrated authority, the development of more governmental agencies and an improvement in the economy. Finally, a sound cap and trade scheme, stakeholder involvement, public-private-people partnerships and goals that allow sustainable development are proposed.

ACS Style

Tse-Lun Chen; Hui-Min Hsu; Shu-Yuan Pan; Pen-Chi Chiang. Advances and challenges of implementing carbon offset mechanism for a low carbon economy: The Taiwanese experience. Journal of Cleaner Production 2019, 239, 117860 .

AMA Style

Tse-Lun Chen, Hui-Min Hsu, Shu-Yuan Pan, Pen-Chi Chiang. Advances and challenges of implementing carbon offset mechanism for a low carbon economy: The Taiwanese experience. Journal of Cleaner Production. 2019; 239 ():117860.

Chicago/Turabian Style

Tse-Lun Chen; Hui-Min Hsu; Shu-Yuan Pan; Pen-Chi Chiang. 2019. "Advances and challenges of implementing carbon offset mechanism for a low carbon economy: The Taiwanese experience." Journal of Cleaner Production 239, no. : 117860.

Journal article
Published: 14 June 2019 in Environmental Pollution
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In this study, a proposed integrated high-gravity technology for air pollution control, CO2 capture, and alkaline waste utilization was comprehensively evaluated from engineering, environmental, and economic perspectives. After high-gravity technology and coal fly ash (CFA) leaching processes were integrated, flue gas air emissions removal (e.g., sulfate dioxide (SO2), nitrogen oxides (NOx), total suspended particulates (TSP)) and CO2 capture were studied. The CFA, which contains calcium oxide and thus, had high alkalinity, was used as an absorbent in removing air pollution residues. To elucidate the availability of technology for pilot-scale high-gravity processes, the engineering performance, environmental impact, and economic cost were simultaneously investigated. The results indicated that the maximal CO2, SO2, NOx, and TSP removal efficiencies of 96.3 ± 2.1%, 99.4 ± 0.3%, 95.9 ± 2.1%, and 83.4 ± 2.6% were respectively achieved. Moreover, a 112 kWh/t-CO2 energy consumption for a high-gravity process was evaluated, with capture capacities of 510 kg CO2 and 0.468 kg NOx per day. In addition, the fresh, water-treated, acid-treated, and carbonated CFA was utilized as supplementary cementitious materials in the blended cement mortar. The workability, durability, and compressive strength of 5% carbonated CFA blended into cement mortar showed superior performance, i.e., 53 MPa ±2.5 MPa at 56 days. Furthermore, a higher engineering performance with a lower environmental impact and lower economic cost could potentially be evaluated to determine the best available operating condition of the high-gravity process for air pollution reduction, CO2 capture, and waste utilization.

ACS Style

Tse-Lun Chen; Yun-Ke Fang; Si-Lu Pei; Shu-Yuan Pan; Yi-Hung Chen; Pen-Chi Chiang. Development and deployment of integrated air pollution control, CO2 capture and product utilization via a high-gravity process: comprehensive performance evaluation. Environmental Pollution 2019, 252, 1464 -1475.

AMA Style

Tse-Lun Chen, Yun-Ke Fang, Si-Lu Pei, Shu-Yuan Pan, Yi-Hung Chen, Pen-Chi Chiang. Development and deployment of integrated air pollution control, CO2 capture and product utilization via a high-gravity process: comprehensive performance evaluation. Environmental Pollution. 2019; 252 ():1464-1475.

Chicago/Turabian Style

Tse-Lun Chen; Yun-Ke Fang; Si-Lu Pei; Shu-Yuan Pan; Yi-Hung Chen; Pen-Chi Chiang. 2019. "Development and deployment of integrated air pollution control, CO2 capture and product utilization via a high-gravity process: comprehensive performance evaluation." Environmental Pollution 252, no. : 1464-1475.

Review
Published: 18 September 2018 in Sustainability
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The construction materials utilized in the building sector have accounted for a large amount of natural resource and energy consumption. Green building, which has developed over three decades, can be regarded as a management and technical approach for building and construction sectors to achieve resource and energy sustainability in building sectors. Therefore, the development and deployment of green construction materials play an important role in the green building field due to the contribution of sustainable resources and energy. To realize the barriers of energy and resources utilization on green building, the development trend, application, and some case studies on wall materials and thermal insulation materials are described. A summary of plant fibers, recycled wastes, and photochromic glass is developed to show applications of green construction materials, which contributes to sustainable development. The challenges and barriers from business, technical, and policy aspects are also reviewed. Finally, perspectives and prospects of green construction material life-cycle framework are illustrated. This paper presents a snapshot review of the importance of wall materials and thermal insulation materials from the point of view of energy and resources consumption.

ACS Style

Hao Wang; Pen-Chi Chiang; Yanpeng Cai; Chunhui Li; Xuan Wang; Tse-Lun Chen; Shiming Wei; Qian Huang. Application of Wall and Insulation Materials on Green Building: A Review. Sustainability 2018, 10, 3331 .

AMA Style

Hao Wang, Pen-Chi Chiang, Yanpeng Cai, Chunhui Li, Xuan Wang, Tse-Lun Chen, Shiming Wei, Qian Huang. Application of Wall and Insulation Materials on Green Building: A Review. Sustainability. 2018; 10 (9):3331.

Chicago/Turabian Style

Hao Wang; Pen-Chi Chiang; Yanpeng Cai; Chunhui Li; Xuan Wang; Tse-Lun Chen; Shiming Wei; Qian Huang. 2018. "Application of Wall and Insulation Materials on Green Building: A Review." Sustainability 10, no. 9: 3331.

Book chapter
Published: 01 January 2018 in ACS Symposium Series
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An integrated approach to flue gas CO2 capture, wastewater neutralization, and product utilization using a high-gravity carbonation process is discussed. Numerous industrial solid wastes, such as iron/steel slag, fly/bottom ash, and byproduct lime, could be used as the feedstock for the high-gravity carbonation process. The process exhibits a high CO2 removal efficiency with a short residence time at ambient temperature and pressure, where alkaline solid wastes are successfully carbonated with CO2 to form calcium carbonate. The reaction products could be further utilized in blended cements at substation ratios of 5−20%. Therefore, CO2 emissions from the cement industry can be indirectly avoided. This chapter also provides insight into the integrated air pollution control, such as sulfur oxides and particulate matter, at industries via the high-gravity process. An integrated approach to stabilization of alkaline wastes that permanently fixes CO2 from industries while producing valuable green materials, as well as providing industrial air pollution control, could be simultaneously achieved via the high-gravity carbonation process.

ACS Style

Shu-Yuan Pan; Pen-Chi Chiang; Tse-Lun Chen; Si-Lu Pei. CO2 Mineralization and Utilization by a High-Gravity Carbonation Process: Past, Present, and Future. ACS Symposium Series 2018, 97 -104.

AMA Style

Shu-Yuan Pan, Pen-Chi Chiang, Tse-Lun Chen, Si-Lu Pei. CO2 Mineralization and Utilization by a High-Gravity Carbonation Process: Past, Present, and Future. ACS Symposium Series. 2018; ():97-104.

Chicago/Turabian Style

Shu-Yuan Pan; Pen-Chi Chiang; Tse-Lun Chen; Si-Lu Pei. 2018. "CO2 Mineralization and Utilization by a High-Gravity Carbonation Process: Past, Present, and Future." ACS Symposium Series , no. : 97-104.

Journal article
Published: 01 September 2013 in Journal of Hazardous Materials
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In this study, direct and indirect carbonation of basic oxygen furnace slag (BOFS) coupled with cold-rolling wastewater (CRW) was carried out via a rotating packed bed (RPB). The solid products were qualitatively characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD) and quantitatively analyzed with thermogravimetric analysis (TGA). The leachate was analyzed with inductively coupled plasma-optical emission spectroscopy (ICP-OES). The results indicate that the maximum achievable carbonation conversion (MACC) of BOFS was 90.7%, corresponding to a capture capacity of 0.277 g CO₂/g of BOFS, by direct carbonation with CRW under a rotation speed of 750 rpm at 30 °C for 20 min. In addition, CO₂ mass balance among the gas, liquid, and solid phases within an RPB was well-developed, with an error less than 10%, to confirm the actual CO₂ capture capacity of BOFS with precision and accuracy. Furthermore, a reaction kinetic model based on mass balance was established to determine the reaction rate constant for various liquid agents (CRW and pure water). It was concluded that co-utilization of alkaline wastes including BOFS and CRW via the RPB is a novel approach for both enhancing CO₂ capture capacity and reducing the environmental impacts of alkaline wastes.

ACS Style

E.-E. Chang; Tse-Lun Chen; Shu-Yuan Pan; Yi-Hung Chen; Pen-Chi Chiang. Kinetic modeling on CO2 capture using basic oxygen furnace slag coupled with cold-rolling wastewater in a rotating packed bed. Journal of Hazardous Materials 2013, 260, 937 -946.

AMA Style

E.-E. Chang, Tse-Lun Chen, Shu-Yuan Pan, Yi-Hung Chen, Pen-Chi Chiang. Kinetic modeling on CO2 capture using basic oxygen furnace slag coupled with cold-rolling wastewater in a rotating packed bed. Journal of Hazardous Materials. 2013; 260 ():937-946.

Chicago/Turabian Style

E.-E. Chang; Tse-Lun Chen; Shu-Yuan Pan; Yi-Hung Chen; Pen-Chi Chiang. 2013. "Kinetic modeling on CO2 capture using basic oxygen furnace slag coupled with cold-rolling wastewater in a rotating packed bed." Journal of Hazardous Materials 260, no. : 937-946.