Bioleaching approach for extraction of metal values from secondary solid wastes: a critical review
H Srichandan, RK Mohapatra, PK Parhi, S Mishra - Hydrometallurgy, 2019 - Elsevier
Bioleaching (microbial leaching), being an economical and environmental friendly process,
is investigated extensively for metal extraction from secondary solid wastes, viz., electronic
wastes, spent catalyst, sludge, slag and fly ash. Bioleaching using acidophiles is routed
through generation of ferric (Fe III) and sulphuric acid. Other microbes such as the fungi
carryout bioleaching by acidolysis, complexolysis (generation of organic acids), redoxolysis
and bioaccumulation method. The cyanogenic microbes in particular possess the ability to …
is investigated extensively for metal extraction from secondary solid wastes, viz., electronic
wastes, spent catalyst, sludge, slag and fly ash. Bioleaching using acidophiles is routed
through generation of ferric (Fe III) and sulphuric acid. Other microbes such as the fungi
carryout bioleaching by acidolysis, complexolysis (generation of organic acids), redoxolysis
and bioaccumulation method. The cyanogenic microbes in particular possess the ability to …
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