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Bioelectrochemical treatment and recovery of copper from distillery waste effluents using power and voltage control strategies

Kaur, Amandeep, Boghani, Hitesh C., Milner, Edward M., Kimber, Richard L., Michie, Iain S., Daalmans, Ronald, Dinsdale, Richard M., Guwy, Alan J., Head, Ian M., Lloyd, Jonathan R. , Yu, Eileen H., Sadhukhan, Jhuma and Premier, Giuliano C. (2019) Bioelectrochemical treatment and recovery of copper from distillery waste effluents using power and voltage control strategies Journal of Hazardous Materials, 371. pp. 18-26.

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Copper recovery from distillery effluent was studied in a scalable bioelectro-chemical system with approx. 6.8 L total volume. Two control strategies based on the control of power with maximum power point tracking (MPPT) and the application of 0.5 V using an external power supply were used to investigate the resultant modified electroplating characteristics. The reactor system was constructed from two electrically separated, but hydraulically connected cells, to which the MPPT and 0.5 V control strategies were applied. Three experiments were carried out using a relatively high copper concentration i.e. 1000 mg/L followed by a lower concentration i.e. 50 mg/L, with operational run times defined to meet the treatment requirements for distillery effluents considered. Real distillery waste was introduced into the cathode to reduce ionic copper concentrations. This waste was then recirculated to the anode as a feed stock after the copper depletion step, in order to test the bioenergy self-sustainability of the system. Approx. 60–95% copper was recovered in the form of deposits depending on starting concentration. However, the recovery was low when the anode was supplied with copper depleted distillery waste. Through process control (MPPT or 0.5 V applied voltage) the amount and form of the copper recovered could be manipulated.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Centre for Environment and Sustainability
Authors :
Kaur, Amandeep
Boghani, Hitesh C.
Milner, Edward M.
Kimber, Richard L.
Michie, Iain S.
Daalmans, Ronald
Dinsdale, Richard M.
Guwy, Alan J.
Head, Ian M.
Lloyd, Jonathan R.
Yu, Eileen H.
Premier, Giuliano C.
Date : 5 June 2019
Funders : Natural Environment Research Council (NERC), Biotechnology and Biological Sciences Research Council (BBSRC), FLEXIS research project
DOI : 10.1016/j.jhazmat.2019.02.100
Grant Title : Resource Recovery from Waste (RRfW) Programme
Copyright Disclaimer : © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Uncontrolled Keywords : Bioelectrochemical system; Copper recovery; Distillery waste; MPPT; Applied 0.5V
Depositing User : Clive Harris
Date Deposited : 07 May 2019 12:43
Last Modified : 28 Feb 2020 02:08

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