A Pilot-scale Benthic Microbial Electrochemical System (BMES) for Enhanced Organic Removal in Sediment Restoration

被引：79

作者：

Li, Henan ^{[1
]}

Tian, Yan ^{[2
]}

Qu, Youpeng ^{[1
,3
]}

Qiu, Ye ^{[1
]}

Liu, Jia ^{[1
]}

Feng, Yujie ^{[1
]}

机构：

[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, 73 Huanghe Rd, Harbin 150090, Peoples R China

[2] Heilongjiang Acad Chem Engn, 3 Nanhu St, Harbin 150028, Heilongjiang, Peoples R China

[3] Harbin Inst Technol, Sch Life Sci & Technol, 2 Yikuang St, Harbin 150080, Peoples R China

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

关键词：

WASTE-WATER TREATMENT; FUEL-CELL; ELECTRICITY-GENERATION; ACTIVATED CARBON; PERFORMANCE; BIOREMEDIATION; SORPTION; DEGRADATION; DESORPTION; BACTERIAL;

D O I：

10.1038/srep39802

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A benthic microbial electrochemical systems (BMES) of 195 L (120 cm long, 25 cm wide and 65 cm height) was constructed for sediment organic removal. Sediment from a natural river (Ashi River) was used as test sediments in the present research. Three-dimensional anode (Tri-DSA) with honeycomb structure composed of carbon cloth and supporting skeleton was employed in this research for the first time. The results demonstrated that BMES performed good in organic-matter degradation and energy generation from sediment and could be considered for river sediments in situ restoration as novel method. Community analysis from the soil and anode using 16S rDNA gene sequencing showed that more electrogenic functional bacteria was accumulated in anode area when circuit connected than control system.

引用

页数：9

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