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Biological sulphate reduction in inorganic wastewater at low pH

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Title Biological sulphate reduction in inorganic wastewater at low pH
Period 04 / 2004 - 12 / 2008
Status Completed
Dissertation Yes
Research number OND1309977

Abstract

It will be of increasing importance to recycle heavy metals. These metals cannot only be found in wastewater of the mining and metal industry but also in their process water. Biological sulfate reduction of these wastewaters is an attractive option as the produced H2S reacts with the metals and forms metal sulfides. These precipitate and thus enable the re-use of these metals. Sulfate reduction at different pH values gives the opportunity to recover several metals selectively instead of mixtures. This will increase the metal re-use potential significantly.

Related organisations

Related people

Supervisor Prof.dr.ir. C.J.N. Buisman
Supervisor Prof.dr.ir. P.N.L. Lens
Doctoral/PhD student Dr.ir. M.F.M. Bijmans

Related research (upper level)

Classification

A12000 Surfacewater and groundwater
A64200 Waste water treatment
C10000 Biotechnology
C50000 Environmental studies
D14510 Inorganic-chemical technology

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