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Cr(VI) removal from soils and groundwater using an integrated adsorption and microbial fuel cell (A-MFC) technology
College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.
College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.
Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry, Beijing Technology and Business University, Beijing, People's Republic of China.
College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.
Vise andre og tillknytning
2019 (engelsk)Inngår i: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 252, nr Pt B, s. 1399-1405Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Remediation of hexavalent chromium [Cr(VI)] has been widely studied for its high mobility and toxicity. As Cr(VI) migrates in natural environment, both soils and groundwater are contaminated simultaneously. In the present study, a novel reactor combining adsorption and microbial fuel cell (A-MFC) using Platanus acerifolia leaves was developed for removing Cr(VI) from groundwater and soils. When initial Cr(VI) concentration was 50 mg/L, the adsorption efficiency of A-MFC achieved 98% after 16 h. Afterwards, the leaves were used for fabricating an MFC-integrated leaching reactor. The A-MFC significantly improved the overall Cr(VI) removal efficiency through leaching and 40% of Cr(VI) in the soil column was removed. The electrical voltage and current of A-MFC reactor achieved averagely 343 mV and 141 μA to maintain the system operation without extra energy supply. This novel A-MFC reactor is an environmentally friendly technology which achieved efficient Cr(VI) removal from groundwater and soils using natural materials, proving the concept that integrated self-remediation of Cr(VI) in contaminated soil and groundwater with natural material and energy.

sted, utgiver, år, opplag, sider
Elsevier, 2019. Vol. 252, nr Pt B, s. 1399-1405
Emneord [en]
Biosorbent, Chromium(VI), Electricity generation, Integrated remediation, Microbial fuel cell (MFC)
HSV kategori
Identifikatorer
URN: urn:nbn:se:oru:diva-76113DOI: 10.1016/j.envpol.2019.06.051ISI: 000483405400049PubMedID: 31260939Scopus ID: 2-s2.0-85067854411OAI: oai:DiVA.org:oru-76113DiVA, id: diva2:1350034
Merknad

Funding Agencies:

National Natural Science Foundation of China  41807133 

Special fund of State Key Joint Laboratory of Environment Simulation and Pollution Control  18K05ESPCT 

China Postdoctoral Science Foundation  2018M631314 

Fundamental Research Funds for the Central Universities  PT1905 

Open Research Fund Program of Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry 

Tilgjengelig fra: 2019-09-10 Laget: 2019-09-10 Sist oppdatert: 2019-11-15bibliografisk kontrollert

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