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biobeneficiation de sulfuro mineral

Minerals bioprocessing: RD needs in mineral

2010年10月1日  In biobeneficiation processes a wide range of microorganisms were used, from simple structure prokaryotes represented mostly by bacteria and archaea (Sulfolobus) to more complex eukaryotes represented by different fungi strains (Aspergillus niger,

作者: K. Hanumantha Rao, A. Vilinska, I.V. Chernyshova

Application of biotechnology in iron ore beneficiation

2022年1月1日  Biobeneficiation to upgrade low-grade sulfide and iron ores has the potential to turn closed mines or uneconomic mineral deposits and secondary wastes and

Application of biotechnology in iron ore beneficiation

2015年1月1日  A biomining approach to process low-grade iron ores has the potential to turn closed mines or uneconomic mineral deposits into economic resources.

进一步探索

How feasible is iron bioleaching? ResearchGate(PDF) Biobeneficiation of Iron Ores ResearchGate根据热门内容向你推荐

Minerals Free Full-Text Towards the Biobeneficiation of

2021年12月31日  Conventional beneficiation of the Platinum Group of Metals (PGMs) relies on the use of inorganic chemicals. With the depreciation of high grade deposits, these

Technical Potential for Bioleaching and Biobeneficiation of

The extraction of copper from sulfidic copper ores through the agency of acidophilic iron-oxidizing bacteria, e.g., Thiobacillus ferrooxidans, has become an industrially accepted

(PDF) Biobenefication of Oxide Minerals from

2017年1月1日  The study involves Biobeneficiation of oxide minerals using Ba-cillus subtilis. Characterization of minerals (hematite, corundum, calcite and quartz) was carried out through XRD, EDAX and FTIR

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Biobenefication of Oxide Minerals from Bacillus subtilis

2019年5月26日  bearing mineral widely used in iron and steel industries, but it is associated with oxide gangue minerals. Iron ore consists of hematite and gangue minerals like

Biobeneficiation of mineral raw material Request PDF

2001年1月1日  Request PDF Biobeneficiation of mineral raw material A process for the combined chemico-biological removal of iron present as oxide minerals in different

Biobeneficiation of mineral raw materials SpringerLink

1999年11月1日  A process for the combined chemico-biological removal of iron present as oxide minerals in different mineral raw materials (quartz sands, kaolins, clays, etc.) was

Biobenefication of Oxide Minerals from Bacillus

Biobeneficiation processes involving the separation of valuable minerals from ores and materials using conventional flotation and flocculation methods have been shown to be promising in recent years. There is an

Minerals bioprocessing: RD needs in mineral

2010年10月1日  In biobeneficiation processes a wide range of microorganisms were used, from simple structure prokaryotes represented mostly by bacteria and archaea (Sulfolobus) to more complex eukaryotes represented by different fungi strains (Aspergillus niger, Candida parapsilosus).Chemolitotrophic microorganisms capable to derive energy by the

Biotechnological Avenues in Mineral Processing:

2022年1月2日  Mineral biotechnological applications, e.g., bioleaching and bio-beneficiation, for waste treatment and resource recovery have invited due attention owing to their economic and eco-friendly benefits in comparison to the conventional methods. Although research has progressed well, there are several aspects that are still not well

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PAPER OPEN ACCESS Screening of bacteria for coal

2019年10月10日  The 2nd Mineral Processing and Technology International Conference. IOP Conf. Series: Materials Science and Engineering. 478 (2019) 012021 Coal biobeneficiation was carried out to investigate the changes in the total sulfur and ash in coal after treatment with bacteria (Table 1). It was found that the total sulfur content of the

Biobeneficiation of bulk copper-zinc and copper-nickel

2021年8月15日  Biobeneficiation of bulk copper-zinc and copper-nickel concentrates at different temperatures. Author links open overlay panel Maxim Muravyov, Anna Panyushkina, Sulfide minerals of the copper-zinc concentrate were characterized by mutual intergrowth and inclusions, which caused difficulties in the selective flotation of

Technical Potential for Bioleaching and Biobeneficiation of

The extraction of copper from sulfidic copper ores through the agency of acidophilic iron-oxidizing bacteria, e.g., Thiobacillus ferrooxidans, has become an industrially accepted technology in mining and mineral processing, especially for low-grade ore, and is now also receiving serious consideration for high-grade ores and ore concentrates (see chapters

Biobeneficiation of mineral raw materials Semantic Scholar

1999年11月1日  A process for the combined chemico-biological removal of iron present as oxide minerals in different mineral raw materials (quartz sands, kaolins, clays, etc.) was developed. In the process, mineral raw materials are leached at about 90°C with lixiviant containing microbially produced oxalic and hydrochloric acids. The leaching is carried out

Biobeneficiation of mineral raw materials SpringerLink

1999年11月1日  A process for the combined chemico-biological removal of iron present as oxide minerals in different mineral raw materials (quartz sands, kaolins, clays, etc.) was developed. In the process, mineral raw materials are leached at about 90°C with lixiviant containing microbially produced oxalic and hydrochloric acids. The leaching is carried out

Biobeneficiation of mineral raw material Request PDF

2001年1月1日  Request PDF Biobeneficiation of mineral raw material A process for the combined chemico-biological removal of iron present as oxide minerals in different mineral raw materials (quartz sands

Biomineralization and Biobeneficiation of Bauxite

2015年12月15日  Role of indigenous microbes in the formation and conversion of bauxite minerals is illustrated. Many types of microorganisms such as fungi, heterotrophic and autotrophic bacteria and yeasts inhabit bauxite ore deposits bringing about biogenesis and biomineraliztion. Organisms capable of iron oxidation and reduction and solubilising

Biobeneficiation of bauxite using ScienceDirect

1996年11月1日  Calcium and iron removal from a bauxite ore by Bacillus polymyxa has been demonstrated. Within a period of 7 days, the above organism could remove all the calcium and about 45% of iron from the ore in the presence of 2% sucrose in a Bromfield medium. The highest removal of calcium and iron corresponded with the maximum in

Minerals bioprocessing: RD needs in mineral

2010年10月1日  In biobeneficiation processes a wide range of microorganisms were used, from simple structure prokaryotes represented mostly by bacteria and archaea (Sulfolobus) to more complex eukaryotes represented by different fungi strains (Aspergillus niger, Candida parapsilosus).Chemolitotrophic microorganisms capable to derive energy by the

Biotechnological Avenues in Mineral Processing:

2022年1月2日  Mineral biotechnological applications, e.g., bioleaching and bio-beneficiation, for waste treatment and resource recovery have invited due attention owing to their economic and eco-friendly benefits in comparison to the conventional methods. Although research has progressed well, there are several aspects that are still not well

Biobeneficiation of mineral raw materials SpringerLink

1999年11月1日  A process for the combined chemico-biological removal of iron present as oxide minerals in different mineral raw materials (quartz sands, kaolins, clays, etc.) was developed. In the process, mineral raw materials are leached at about 90°C with lixiviant containing microbially produced oxalic and hydrochloric acids. The leaching is carried out

Biobeneficiation of mineral raw material Request PDF

2001年1月1日  Request PDF Biobeneficiation of mineral raw material A process for the combined chemico-biological removal of iron present as oxide minerals in different mineral raw materials (quartz sands

Biomineralization and Biobeneficiation of Bauxite

2015年12月15日  Role of indigenous microbes in the formation and conversion of bauxite minerals is illustrated. Many types of microorganisms such as fungi, heterotrophic and autotrophic bacteria and yeasts inhabit bauxite ore deposits bringing about biogenesis and biomineraliztion. Organisms capable of iron oxidation and reduction and solubilising

Biobeneficiation of bauxite using ScienceDirect

1996年11月1日  Calcium and iron removal from a bauxite ore by Bacillus polymyxa has been demonstrated. Within a period of 7 days, the above organism could remove all the calcium and about 45% of iron from the ore in the presence of 2% sucrose in a Bromfield medium. The highest removal of calcium and iron corresponded with the maximum in

Getting rid of the unwanted: highlights of developments

2014年10月8日  This review focuses on Biobeneficiation of iron ore minerals. Biobeneficiation of iron ore is very challenging due to the low price and chemical constitution of the ore. There are substantial interests in the exploration of this technology for improving the quality of iron ore minerals. Rawlings DE, Dew D, du Plessis C (2003

Towards the Biobeneficiation of PGMs: Reviewing the

Formation of hydrogen peroxide (H2O2), an oxidizing agent stronger than oxygen, by sulphide minerals during grinding was investigated. It was found that pyrite (FeS2), chalcopyrite (CuFeS2), sphalerite ((Zn,Fe)S), and galena (PbS), which are the most abundant sulphide minerals on Earth, generated H2O2 in pulp liquid during wet grinding

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Bio-beneficiation of kaolin and feldspar and its effect on

2019年4月9日  Biobeneficiation is the method of removing undesir-able elements like iron present as impurities in minerals by microbial action via oxidative or reductive dissolution of insoluble complexes of the same (Colmer et al 1980; Christinia 1992). This occurs either by direct (requires physical contact of viable microbial cells with the mate-

(PDF) Getting rid of the unwanted: highlights of

2014年11月25日  In this review, current developments in the biobeneficiation of iron ore minerals are considered, and potential solutions to challenges faced in the wider adoption of this technology are proposed.