Research progress on the microbial desalination cell for high-salt wastewater treatment

doi:10.16085/j.issn.1000-6613.2021-0435

Abstract

Abstract:

High salinity limits the efficient biochemical treatment of wastewater, and desalination treatment is imperative. The microbial desalination cell has attracted the attention of many scholars because of its high desalination efficiency and good economy. This article first reviews the mechanism of the microbial desalination tank, analyzes the influence of the ion exchange membrane, pH, electron donor, catholyte and electrode materials on the desalination efficiency of the desalination tank, and explains the further coupling process of the microbial desalination cell. It is considered that the future development trend of microbial desalination cell should focus on the modularization of electrodes, the optimization of ion exchange membranes, the development of coupling systems, and the practical application of processes.

Key words: high-salt wastewater, microbial desalination cell, ion exchange membrance

摘要：

高盐度是限制废水生化高效处理的重要指标，脱盐处理势在必行。微生物脱盐池因其脱盐效率高、经济性好等优势受到众多学者的关注。本文首先回顾了微生物脱盐池的机理，分析了离子交换膜、pH、电子供体、阴极电解液及电极材料等影响因素对脱盐池脱盐效能的影响，并阐述了微生物脱盐池的进一步耦合工艺，认为微生物脱盐池未来发展趋势应着重于电极模块化、离子交换膜的优化、耦合系统的开发以及工艺的实际应用。

关键词: 高盐废水, 微生物脱盐池, 离子交换膜

CLC Number:

X703

ZHANG Qun, CHEN Chongjun, XIE Jiawei, ZOU Xinyi. Research progress on the microbial desalination cell for high-salt wastewater treatment[J]. Chemical Industry and Engineering Progress, 2022, 41(2): 974-980.

张群, 陈重军, 谢嘉玮, 邹馨怡. 高盐废水微生物脱盐池处理研究进展[J]. 化工进展, 2022, 41(2): 974-980.

Figures/Tables 3

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反应器	阳极材料	阴极材料	阳离子交换膜	阴离子交换膜	阳极液	阴极液	初始盐浓度 /g·L^-1	脱盐率 /%	参考文献
UMDC^①	碳刷	碳布	CMI-7000	AMI-7001	以乙酸盐为碳源的合成废水	pH为2.5的酸化水	30	99	［45］
SMDC^②	石墨纤维刷	Pt	Selemion CMV	Selemion AMV	乙酸钠的磷酸盐缓冲液	合成海水	35	98	［46］
USMDC^③	碳毡	碳布	CMI-7000	AMI-7001	乙酸钠	—	25	91.9	［39］
OsMDC^④	碳刷	碳布	CMI-7000	FO	乙酸钠、碳酸氢钠、氯化钠	铁氰化钾	5	65.9	［47］
MCDC^⑤	碳刷	Pt	CMI-7000	AMI-7001	PBS	KH₂PO₄、K₂HPO₄	5	47.83	［48］
MEDC^⑥	石墨刷	不锈钢网	CMI-7000	AMI-7001	乙酸盐	50mmol/L PBS	10	98.8	［49］
MEDCC^⑦	石墨刷	碳布	CMI-7000	AMI-7001	成熟的MFC阳极液	10g/L NaCl	10	86±2	［43］

反应器	阳极材料	阴极材料	阳离子交换膜	阴离子交换膜	阳极液	阴极液	初始盐浓度 /g·L^-1	脱盐率 /%	参考文献
UMDC^①	碳刷	碳布	CMI-7000	AMI-7001	以乙酸盐为碳源的合成废水	pH为2.5的酸化水	30	99	［45］
SMDC^②	石墨纤维刷	Pt	Selemion CMV	Selemion AMV	乙酸钠的磷酸盐缓冲液	合成海水	35	98	［46］
USMDC^③	碳毡	碳布	CMI-7000	AMI-7001	乙酸钠	—	25	91.9	［39］
OsMDC^④	碳刷	碳布	CMI-7000	FO	乙酸钠、碳酸氢钠、氯化钠	铁氰化钾	5	65.9	［47］
MCDC^⑤	碳刷	Pt	CMI-7000	AMI-7001	PBS	KH₂PO₄、K₂HPO₄	5	47.83	［48］
MEDC^⑥	石墨刷	不锈钢网	CMI-7000	AMI-7001	乙酸盐	50mmol/L PBS	10	98.8	［49］
MEDCC^⑦	石墨刷	碳布	CMI-7000	AMI-7001	成熟的MFC阳极液	10g/L NaCl	10	86±2	［43］