Removal of Heavy Metals by using Sulfate Reducing Bacteria



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Objective & Scope
1. Investigation of effects of environmental parameters on SRB
2. Development of heavy metals removal process using SRB
3. Optimization of UASB reactor
Main Contents
Mine drainages are acidic and containing significant amount of sulfate and heavy metals.
The sulfide that SRB(sulfate reducing bacteria) produce as the result of metabolism,
enables the metallic wastewater to be economically treated,
because many metal sulfides are very insoluble precipitates.
The objective of this study is to investigate the effects of many environmental factors
on SRB's removal efficiency of sulfate and TOC.
The kinetics of sulfate and TOC removal in an upflow anaerobic sludge blanket (UASB) reactor
operating continuously for a period of more than 200 days were investigated to determine kinetic coefficients.
Environmental factors such as pH, heavy metals and oxygen were also investigated.
References
1) A Study on Heavy Metal Wastewater Treatment by Using Sulfate Reducing Bacteria
Joung Gun Park, Thesis of Master(1999), POSTECH, KOREA
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