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Prof. Dr. Tang Zhihua
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences,

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Research Keywords & Expertise

0 Energy strategy
0 Environemntal science
0 ecological risk assessment and management
0 Heavy metal contaminants
0 Sustainable development and ecological economics

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Journal article
Published: 29 March 2021 in Energies
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Using panel data of 30 provinces and regions in Mainland China (excluding Tibet) from 2006 to 2016, the Spatial Durbin Model was employed for the empirical research, and the spatial impact of fiscal decentralization and environmental decentralization on regional carbon emissions were analyzed from the perspective of promotion pressure of officials. The empirical study concludes: ① Fiscal decentralization, both within the region and in its neighborhood, will contribute to carbon emissions in the region; ② Environmental decentralization will help reduce carbon emissions, while environmental decentralization in neighboring regions will increase carbon emissions in the region; ③ The promotion pressure of officials plays a positive role in moderating the impact of fiscal decentralization on carbon emissions, and at the same time weakens the suppression of carbon emissions by environmental decentralization; ④ From a regional point of view, there is a positive relationship between fiscal decentralization and carbon emissions in various regions; but environmental decentralization has obvious spatial heterogeneity. The research suggests that reducing the degree of local fiscal decentralization, investment in major infrastructure projects involving high carbon emissions should be relatively centralized; appropriately increase the environmental management authority of local environmental protection agencies, fully use the advantages of local environmental protection departments to protect the environment according to local conditions; gradually improve the assessment system for local officials, moderately reduce the proportion of fiscal revenue and GDP assessment in areas with fragile ecological environment, and increase incentives for ecological performance assessment, put the development of low-carbon economy into practice.

ACS Style

Sailian Xia; Daming You; Zhihua Tang; Bo Yang. Analysis of the Spatial Effect of Fiscal Decentralization and Environmental Decentralization on Carbon Emissions under the Pressure of Officials’ Promotion. Energies 2021, 14, 1878 .

AMA Style

Sailian Xia, Daming You, Zhihua Tang, Bo Yang. Analysis of the Spatial Effect of Fiscal Decentralization and Environmental Decentralization on Carbon Emissions under the Pressure of Officials’ Promotion. Energies. 2021; 14 (7):1878.

Chicago/Turabian Style

Sailian Xia; Daming You; Zhihua Tang; Bo Yang. 2021. "Analysis of the Spatial Effect of Fiscal Decentralization and Environmental Decentralization on Carbon Emissions under the Pressure of Officials’ Promotion." Energies 14, no. 7: 1878.

Journal article
Published: 18 November 2020 in Journal of Hazardous Materials
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The Yellow River Estuary (YRE) and adjacent Laizhou Bay (LB) encounter eco-environmental risks caused by heavy metals (HMs) pollution. Here magnetic measurements were performed on 239 surface sediment samples from the YRE and LB to establish a rapid and effective method for detecting HMs. Magnetite, maghemite, and hematite coexist in the sediments. The distributions of magnetic minerals are dominated by sediment sources (Yellow River in northern and western LB, and rivers in southern and eastern coastal LB), and the anticlockwise water current. Compared to the background values, Cd content is enriched for all samples, while Co, Cr, Ni, Cu, Zn, and Pb contents are lower for most samples. The low pollution load indexes (PLI) of HMs (< 1–1.56) indicate the unpolluted to moderately polluted status, while the muddy area is the most polluted. The principal component analysis indicates that Co, Cr, Ni, Cu, and Zn are mainly from natural weathering substances, while Cd and Pb are anthropogenic. Contents of fine-grained sediments and magnetic particles are positively correlated to Co, Ni, Cu, Zn, and PLI. The high-risk Co, Ni, Cu, and Zn regions can be quickly delineated with the frequency-dependent susceptibility.

ACS Style

Mingkun Li; Shanying Zhu; Tingping Ouyang; Jianhui Tang; Zhihua Tang. Magnetic properties of the surface sediments in the Yellow River Estuary and Laizhou Bay, Bohai Sea, China: Implications for monitoring heavy metals. Journal of Hazardous Materials 2020, 410, 124579 .

AMA Style

Mingkun Li, Shanying Zhu, Tingping Ouyang, Jianhui Tang, Zhihua Tang. Magnetic properties of the surface sediments in the Yellow River Estuary and Laizhou Bay, Bohai Sea, China: Implications for monitoring heavy metals. Journal of Hazardous Materials. 2020; 410 ():124579.

Chicago/Turabian Style

Mingkun Li; Shanying Zhu; Tingping Ouyang; Jianhui Tang; Zhihua Tang. 2020. "Magnetic properties of the surface sediments in the Yellow River Estuary and Laizhou Bay, Bohai Sea, China: Implications for monitoring heavy metals." Journal of Hazardous Materials 410, no. : 124579.

Journal article
Published: 29 June 2020 in Journal of Environmental Sciences
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Dissolved organic matter (DOM) derived from various composts can promote significant changes of soil properties. However, little is known about the DOM compositions and their similarities and differences at the molecular level. In this study, the molecular compositions of DOM derived from kitchen waste compost (KWC), green waste compost (GWC), manure waste compost (MWC), and sewage sludge compost (SSC) were characterized by electrospray ionization coupled with Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR MS). The molecular formulas were classified into four subcategories: CHO, CHON, CHOS, and CHONS. The KWC, MWC, and SSC DOM represented the highest fraction (35.8%-47.4%) of CHON subcategory, while the GWC DOM represented the highest fraction (68.4%) of CHO subcategory. The GWC DOM was recognized as the nitrogen- and sulfur-deficient compounds that were less saturated, more aromatic, and more oxidized compared with other samples. Further analysis of the oxygen, nitrogen-containing (N-containing), and sulfur-containing (S-containing) functional groups in the four subcategories revealed higher organic molecular complexity. Comparison of the similarities and differences of the four samples revealed 22.8% ubiquitous formulas and 17.4%, 11.1%, 10.7%, and 6.3% unique formulas of GWC, KWC, SSC, and MWC DOM, respectively, suggesting a large proportion of ubiquitous DOM as well as unique, source-specific molecular signatures. The findings presented herein provide new insight into the molecular characterization of DOM derived from various composts and demonstrated the potential role of these different compounds for agricultural utilization.

ACS Style

Minru Liu; Yunkai Tan; Kejing Fang; Changya Chen; Zhihua Tang; XiaoMing Liu; Zhen Yu. Diverse molecular compositions of dissolved organic matter derived from different composts using ESI FT-ICR MS. Journal of Environmental Sciences 2020, 99, 80 -89.

AMA Style

Minru Liu, Yunkai Tan, Kejing Fang, Changya Chen, Zhihua Tang, XiaoMing Liu, Zhen Yu. Diverse molecular compositions of dissolved organic matter derived from different composts using ESI FT-ICR MS. Journal of Environmental Sciences. 2020; 99 ():80-89.

Chicago/Turabian Style

Minru Liu; Yunkai Tan; Kejing Fang; Changya Chen; Zhihua Tang; XiaoMing Liu; Zhen Yu. 2020. "Diverse molecular compositions of dissolved organic matter derived from different composts using ESI FT-ICR MS." Journal of Environmental Sciences 99, no. : 80-89.

Journal article
Published: 08 June 2020 in Applied Thermal Engineering
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Subway systems are rapidly developing, and their energy consumption is considerably growing. The ventilation and air conditioning system in the subway station is the key energy-consuming system. It consumes a large amount of energy every day to provide a comfortable environment for passengers, and it has therefore received increasingly more attention from researchers worldwide. In this work, the variation law of the ventilation and air conditioning system of a subway station is analyzed from three aspects (energy consumption, load, and temperature) based on field test data, and the problems existing in the operation and management of the system are analyzed. For example, the results show that the total load of fresh air in the station was as high as 34–37%, and about 30 min was required to adjust the indoor temperature to a stable state. In addition, three general models and seven energy-saving strategies are put forward, and their energy saving potentials are estimated. After optimization, the ventilation and air conditioning system is found to reduce energy consumption by more than 30%. Not only are common problems that exist in the actual operation of the subway station ventilation and air conditioning system found in this research, but valuable measured data is also provided for the theoretical research of the thermal environment of the subway and the design of environmental control systems.

ACS Style

Hua Yin; Caiyun Yang; Linzi Yi; Junyan Yu; Yingfeng Wu; Yujiao Deng; Zhihua Tang. Ventilation and air conditioning system of deep-buried subway station in sub-tropical climates: Energy-saving strategies. Applied Thermal Engineering 2020, 178, 115555 .

AMA Style

Hua Yin, Caiyun Yang, Linzi Yi, Junyan Yu, Yingfeng Wu, Yujiao Deng, Zhihua Tang. Ventilation and air conditioning system of deep-buried subway station in sub-tropical climates: Energy-saving strategies. Applied Thermal Engineering. 2020; 178 ():115555.

Chicago/Turabian Style

Hua Yin; Caiyun Yang; Linzi Yi; Junyan Yu; Yingfeng Wu; Yujiao Deng; Zhihua Tang. 2020. "Ventilation and air conditioning system of deep-buried subway station in sub-tropical climates: Energy-saving strategies." Applied Thermal Engineering 178, no. : 115555.

Journal article
Published: 07 November 2019 in Applied Sciences
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This research focused on the contents of the five most bio-toxic heavy metals, As, Cd, Hg, Cr, and Pb of 26 municipal solid waste (MSW) samples from the Eastern Guangdong Area. To investigate the apportion of the heavy metal source, Pearson correlation and principal component analysis (PCA) were introduced as major approaches. The health risks posed to MSW workers exposed to heavy metals in MSW were assessed using a Monte Carlo simulation combined with the US Environmental Protection Agency Health Risk Assessment Model. The As, Cd, Hg, Cr, and Pb contents of the east Guangdong MSW were (0.76 ± 0.75), (2.14 ± 4.44), (0.11 ± 0.14), (55.42 ± 31.88), and (30.67 ± 20.58) mg/kg, respectively. Hg, Cr, and Pb were potentially derived from glass, textile, food waste, and white plastic, while As and Cd were mainly derived from soil and food waste in the MSW. The non-carcinogenic risks of heavy metal in MSW exposure to MSW workers could be ignored. However, the heavy metals in MSW might pose carcinogenic risks, with the probabilities for male and female workers being 35% and 45%, respectively. The non-carcinogenic and carcinogenic risk indices were slightly higher for female workers under the same exposure situations.

ACS Style

Zhihua Tang; Minru Liu; Linzi Yi; Huafang Guo; Tingping Ouyang; Hua Yin; Mingkun Li. Source Apportionment and Health Risk Assessment of Heavy Metals in Eastern Guangdong Municipal Solid Waste. Applied Sciences 2019, 9, 4755 .

AMA Style

Zhihua Tang, Minru Liu, Linzi Yi, Huafang Guo, Tingping Ouyang, Hua Yin, Mingkun Li. Source Apportionment and Health Risk Assessment of Heavy Metals in Eastern Guangdong Municipal Solid Waste. Applied Sciences. 2019; 9 (22):4755.

Chicago/Turabian Style

Zhihua Tang; Minru Liu; Linzi Yi; Huafang Guo; Tingping Ouyang; Hua Yin; Mingkun Li. 2019. "Source Apportionment and Health Risk Assessment of Heavy Metals in Eastern Guangdong Municipal Solid Waste." Applied Sciences 9, no. 22: 4755.

Journal article
Published: 11 January 2019 in Processes
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The reduced natural waters and the large amount of wastewater produced by textile industry necessitate an effective water reuse treatment. In this study, a combined two-stage water reuse treatment was established to enhance the quality and recovery rate of reused water. The primary treatment incorporated a flocculation and sedimentation system, two sand filtration units, an ozonation unit, an ultrafiltration (UF) system, and a reverse osmosis (RO) system. The second treatment included an ozonation unit, a sand filtration unit, and UF and RO systems. The color removal rate increased with the increasing ozone dosage, and the relational expression between the ozone dosage and color removal rate was fitted. Ozonation greatly reduced the color by 92.59 and 97.27 times during the primary and second ozonation stages, respectively. RO had the highest removal rate. The combined processes showed good performance in water reuse treatment. The treated, reused water satisfied the reuse standard and surpassed the drinking water standard rates for chemical oxygen consumption (CODcr), color, NH3-N, hardness, Cl−, SO42−, turbidity, Fe3+, and Cu2+. The operating cost of reuse water treatment was approximately 0.44 USD·m−3.

ACS Style

Hua Yin; Peiwen Qiu; YuanGe Qian; Zhuwen Kong; Xiaolong Zheng; Zhihua Tang; Huafang Guo. Textile Wastewater Treatment for Water Reuse: A Case Study. Processes 2019, 7, 34 .

AMA Style

Hua Yin, Peiwen Qiu, YuanGe Qian, Zhuwen Kong, Xiaolong Zheng, Zhihua Tang, Huafang Guo. Textile Wastewater Treatment for Water Reuse: A Case Study. Processes. 2019; 7 (1):34.

Chicago/Turabian Style

Hua Yin; Peiwen Qiu; YuanGe Qian; Zhuwen Kong; Xiaolong Zheng; Zhihua Tang; Huafang Guo. 2019. "Textile Wastewater Treatment for Water Reuse: A Case Study." Processes 7, no. 1: 34.