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

JOURNAL OF HAZARDOUS MATERIALS

卷:371

Article

Kaur, Amandeep¹  Boghani, Hitesh C.²  Milner, Edward M.³  Kimber, Richard L.⁴  Michie, Iain S.¹  Daalmans, Ronald⁵  Dinsdale, Richard M.¹  Guwy, Alan J.¹  Head, Ian M.⁴  Lloyd, Jonathan R.³  Yu, Eileen H.²  Sadhukhan, Jhuma⁶  Premier, Giuliano C.¹ 

[1] Univ South Wales, SERC, Pontypridd CF37 1DL, M Glam, Wales

[2] Univ Birmingham, Coll Engn & Phys Sci, Birmingham B15 2TT, W Midlands, England

[3] Newcastle Univ, Chem Engn & Adv Mat, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[4] Univ Manchester, Sch Earth & Environm Sci, Oxford Rd, Manchester M13 9PL, Lancs, England

[5] Chivas Bros, 111-113 Renfrew Rd, Paisley PA3 4DY, Renfrew, Scotland

[6] Univ Surrey, Ctr Environm & Sustainabil, Guildford GU2 7XH, Surrey, England

关键词: Bioelectrochemical system;    Copper recovery;    Distillery waste;    MPPT;    Applied 0.5v;   

DOI  :  10.1016/j.jhazmat.2019.02.100

来源: Elsevier

【 摘 要 】

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.

【 授权许可】

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