Reductive dissolution by waste newspaper for enhanced meso-acidophilic bioleaching of copper from low grade chalcopyrite: A new concept of biohydrometallurgy
Dumping of low-grade chalcopyrite encompasses several environmental problems. Despite
slow dissolution rate, meso-acidophilic bioleaching is preferred for the extraction of copper
from such ores. In the present study, meso-acidophilic bioleaching of a low-grade
chalcopyrite in the presence of an acid-processed waste newspaper (PWp) is discussed for
the first time. The study illustrated a strong catalytic response of PWp with enhanced bio-
recovery of copper from acid-conditioned chalcopyrite. A maximum of 99.13% copper …
slow dissolution rate, meso-acidophilic bioleaching is preferred for the extraction of copper
from such ores. In the present study, meso-acidophilic bioleaching of a low-grade
chalcopyrite in the presence of an acid-processed waste newspaper (PWp) is discussed for
the first time. The study illustrated a strong catalytic response of PWp with enhanced bio-
recovery of copper from acid-conditioned chalcopyrite. A maximum of 99.13% copper …
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