Shipboard bilge water treatment by electrocoagulation powered by microbial fuel cells  

作　　者：Xiaoxue Mei Heming Wang Dianxun Hou Fernanda Leite Lobo Defeng Xing Zhiyong Jason Ren 

机构地区：[1]Department of Civil and Environmental Engineering,Princeton University,Princeton,NJ 08544,USA [2]Department of Civil,Environmental,and Architectural Engineering,University of Colorado Boulder,Boulder,CO 80303,USA [3]Department of Civil and Environmental Engineering,China University of Petroleum,Beijing 102249,China [4]State Key Laboratory of Urban Water Resource and Environment,School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090,China

出　　处：《Frontiers of Environmental Science & Engineering》2019年第4期69-75,共7页环境科学与工程前沿（英文）

摘　　要：Ships generate large amounts of wastewater including oily bilge water, blackwater and greywater. Traditionally they are treated separately with high energy consumption. In this study we demonstrate the feasibility that these waste streams can be treated using an integrated electrocoagulation cell (ECC) and microbial fuel cell (MFC) process, which not only synergized the contaminants removal but also accomplished energy neutrality by directly powering EC with MFC electricity. Results showed that MFC stack powered ECC removed 93% of oily organics, which is comparable to the performance of an external DC voltage powered ECC. In the meantime, more than 80% of COD was removed from MFCs when fed with either acetate or municipal wastewater. Moreover, the ECC electrode area and distance showed notable effects on current generation and contaminants removal, and further studies should focus on operation optimization to enhance treatment efficiency.

关 键 词：BILGE water ELECTROCOAGULATION MICROBIAL FUEL cell SHIPBOARD WASTEWATER 

分 类 号：T[一般工业技术]