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Zhang Dongdong, Luther Amanda K., Clauwaert Peter, Ciccioli Paolo, Ronsse Frederik. Assessment of carbon recovery from solid organic wastes by supercritical water oxidation for a regenerative life support system. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH. JAN 2020.
来源：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发布时间：2020-02-05
作者：张冬冬(第一作者)
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| 作者: Zhang, DD (Zhang, Dongdong); Luther, AK (Luther, Amanda K.); Clauwaert, P (Clauwaert, Peter); Ciccioli, P (Ciccioli, Paolo); Ronsse, F (Ronsse, Frederik) | ||||||
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| 影响因子 (2018 年): 2.914 | ||||||
| 摘要: The carbon recovery from organic space waste by supercritical water oxidation (SCWO) was studied to support resource recovery in a regenerative life support system. Resource recovery is of utmost importance in such systems which only have a limited total amount of mass. However, the practical waste treatment strategies for solid space wastes employed today are only storing and disposal without further recovery. This work assesses the performance of SCWO at recovering organic wastes as CO2 and water, to discuss the superiority of SCWO over most present strategies, and to evaluate the different SCWO reactor systems for space application. Experiments were carried out with a batch and a continuous reactor at different reaction conditions. The liquid and gas products distribution were analyzed to understand the conversion of organics in SCWO. Up to 97% and 93% of the feed carbon were recovered as CO2 in the continuous and the batch reactor, respectively. Residual carbon was mostly found as soluble organics in the effluent. Compared with the batch reactor, the continuous reactor system demonstrated a ten times higher capacity within the same reactor volume, while the batch reactor system was capable of handling feeds that contained particulate matter though suffering from poor heat integration (hence low-energy efficiency) and inter-batch variability. It was concluded that SCWO could be a promising technology to treat solid wastes for space applications. A continuous reactor would be more suitable for a regenerative life support system. | ||||||
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| 语言: English | ||||||
| 文献类型: Article; Early Access | ||||||
| 作者关键词: Supercritical water oxidation; Carbon recovery; Organic space wastes; SCWO reactors performance evaluation | ||||||
| KeyWords Plus: ANAEROBIC FERMENTATION; SEWAGE-SLUDGE; DESTRUCTION; GASIFICATION; DEGRADATION; WASTEWATERS; SCWO | ||||||
| 地址: [Zhang, Dongdong] Chinese Acad Agr Sci, Inst Urban Agr, Chengdu, Sichuan, Peoples R China. [Zhang, Dongdong; Ronsse, Frederik] Univ Ghent, Dept Green Chem & Technol, Coupure Links 653, B-9000 Ghent, Belgium. [Luther, Amanda K.; Clauwaert, Peter] Univ Ghent, CMET, Coupure Links 653, B-9000 Ghent, Belgium. [Ciccioli, Paolo] IMC, Area Ric RM 1, I-00015 Monterotondo, Italy. |
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| 通讯作者地址: Ronsse, F (通讯作者)，Univ Ghent, Dept Green Chem & Technol, Coupure Links 653, B-9000 Ghent, Belgium. | ||||||
| 电子邮件地址: Frederik.Ronsse@UGent.be | ||||||
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| Web of Science 类别: Environmental Sciences | ||||||
| 研究方向: Environmental Sciences & Ecology | ||||||
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This study was financially supported by the Belgian Science Policy (BELSPO) FDU project (ESA contract number 4000113452/15/NL/AT) and the China Scholarship Council (CSC). |