| Title | Progress in bioleaching: part B, applications of microbial processes by the minerals industries |
|---|---|
| ID_Doc | 29789 |
| Authors | Roberto, FF; Schippers, A |
| Title | Progress in bioleaching: part B, applications of microbial processes by the minerals industries |
| Year | 2022 |
| Published | Applied Microbiology And Biotechnology, 106.0, 18 |
| Abstract | This review provides an update to the last mini-review with the same title pertaining to recent developments in bioleaching and biooxidation published in 2013 (Brierley and Brierley). In the intervening almost 10 years, microbial processes for sulfide minerals have seen increased acceptance and ongoing but also declining commercial application in copper, gold, nickel and cobalt production. These processes have been applied to heap and tank leaching, nowadays termed biomining, but increasing concerns about the social acceptance of mining has also seen the re-emergence of in situ leaching and quest for broader applicability beyond uranium and copper. Besides metal sulfide oxidation, mineral dissolution via reductive microbial activities has seen experimental application to laterite minerals. And as resources decline or costs for their exploitation rise, mine waste rock and tailings have become more attractive to consider as easily accessible resources. As an advantage, they have already been removed from the ground and in some cases contain ore grades exceeding that of those currently being mined. These factors promote concepts of circular economy and efficient use and valorization of waste materials. |
| https://link.springer.com/content/pdf/10.1007/s00253-022-12085-9.pdf |
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