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34 results on '"Chen, Chuangting"'

17. Purification of anaerobic fermentation digestate of dairy manure by Arthrospira biomass cultivated with biogas-CO2 fixation

Author

Rao, Mumin, primary, Zou, Xiangbo, additional, Huang, Zhimin, additional, Ye, Ji, additional, Huang, Cong, additional, Zhang, Maoqiang, additional, Chen, Chuangting, additional, Kuang, Cao, additional, Song, Yanmei, additional, Xin, Kai, additional, Jia, Dongwei, additional, Liu, Ying, additional, and Cheng, Jun, additional

Published
2023
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28. Construction of iterative algorithm and economic optimization analysis of co-combustion of sewage sludge with coal.

Author

Rao, Mumin, Ye, Ji, Chen, Chuangting, Kuang, Cao, Chen, Gongda, Zou, Xiangbo, Qin, Shiwei, Chen, Limei, and Liang, Shuang

Subjects
SEWAGE sludge, CO-combustion, ECONOMIC research, SEWAGE sludge drying, NET present value, FLUE gases
Abstract

To govern the sewage sludge, which restricts the development of urbanization, the co-combustion of sewage sludge in coal-fired power plants is considered one of the most appropriate methods. Two methods, flue gas dehydration and electric heating dehydration, are used to dry sewage sludge to the target moisture content. And the economic impact of the two methods was evaluated on coal-fired power plants. The boiler efficiency and fuel consumption are obtained by the thermal balance calculation. When the anhydrous sludge ratio was 2% and the water content was 30%, the fuel consumption was 81.11 kg/s and the boiler efficiency was 91.32%. As the water content and the anhydrous sludge ratio increase, the fuel consumption gradually increases, while the boiler efficiency gradually decreases. And the net present value is used to evaluate the economic impact of the co-combustion of sewage sludge in coal-fired power plants. Among them, the maximum NPV value of the flue gas dehydration scheme with a sludge mass ratio of 3% and a moisture content of 40% reached 1163.34 million. Furthermore, the sensitive factors that affect the net present value are obtained as the anhydrous sludge ratio and government subsidies through sensitivity analysis. Combined with the combustion characteristics in the boiler, the recommended range for the moisture content of the sludge is 30%~40%, and the recommended range of anhydrous sludge ratio is 3–5%. [ABSTRACT FROM AUTHOR]

Published
2023
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33. Excessive Na-Doped La 0.75 Sr 0.25 Cr 0.5 Fe 0.4 Cu 0.1 O 3-δ Perovskite as an Additional Internal Reforming Catalyst for Direct Carbon Dioxide-Ethanol Solid Oxide Fuel Cells.

Author

Li, Mingfei, Dong, Jiangbo, Chen, Zhengpeng, Huang, Kairu, Xiong, Kai, Li, Ruoyu, Rao, Mumin, Chen, Chuangting, Ling, Yihan, and Lin, Bin

Subjects
SOLID oxide fuel cells, STEAM reforming, PEROVSKITE, CATALYSTS
Abstract

Direct ethanol solid oxide fuel cells (SOFCs) are the most energy-efficient and low-carbon technology for renewable power generation from biomass fuels, but they are hindered by carbon deposition on the Ni-based cermet anode. In this work, excessive Na+ dopant into La0.75Sr0.25Cr0.5Fe0.4Cu0.1O3-δ (LSCFC) perovskite was used as an additional internal reforming catalyst for direct carbon dioxide-ethanol SOFCs. Excessive Na+-doped LSCFC (N-LSCFC) demonstrated great potential in promoting electrochemical performance and internal reforming process fueled by carbon dioxide-ethanol mixture, because more oxygen vacancies and the precipitated Cu nano catalyst were helpful for the improvement of internal reforming and carbon tolerance. Electrochemical investigations proved that the vertical-microchannel anode supported the single cells using the N-LSCFC-Gd0.1Ce0.9O2-δ (GDC) internal reforming catalyst, showing a peak power density of 1044.41 and 855.56 mW/cm2 at 800 °C fueled by H2 and 50% CO2-50% C2H5OH, respectively. The preceding results indicate that excessive Na+ doping strategy into LSCFC as the additional internal reforming catalyst can improve the electrochemical performance and internal reforming process of direct carbon dioxide-ethanol SOFCs. [ABSTRACT FROM AUTHOR]

Published
2022
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