Bioleaching Of Low Grade Nickel Sulfide Mineral In

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  • Bioleaching of low grade nickel sulfide mineral in column

    The recovery of valuable metals from the Jinchuan low-grade nickel sulfide ore by bioleaching process is a particular interest of researchers concerning utilization of nickel resources in China[6-8]. However, studies on bioleaching of nickel sulfide minerals are less frequent [9-10]. Due to a remarkably high content of magnesia, there are some

  • Cited by: 12
  • Bioleaching of low grade nickel sulfide mineral in column

    Jinchuan low grade nickel (0.4%–0.6% Ni, mass fraction) sulfide mineral ore contains a remarkably high content of magnesia (30%–35% MgO, mass fraction) present in the main gangue minerals.

  • Bioleaching of a low grade nickel–copper–cobalt sulfide

    The bioleaching behavior of copper and nickel from a low-grade nickel, copper, and cobalt-bearing sulfide ore was investigated. A recovery of 94% Ni, 62% Co and 70% Cu was achieved in 68 days of flask leaching including 18 days of acid pre-leaching and 50 days of bioleaching.

  • Cited by: 28
  • Bioleaching of low grade nickel sulfide mineral in column

    Bioleaching of low grade nickel sulfide mineral in column reactor. Author links open overlay panel ZHEN Shi-jie a b QIN Wen-qing a YAN Zhong-qiang b ZHANG Yan-sheng a WANG Jun a ZHEN Shi-jie a b QIN Wen-qing a YAN Zhong-qiang b ZHANG Yan-sheng a WANG Jun a

  • Cited by: 12
  • Bioleaching of a low grade nickel–copper–cobalt sulfide

    The bioleaching behavior of copper and nickel from a low-grade nickel, copper, and cobalt-bearing sulfide ore was investigated. A recovery of 94% Ni, 62% Co and 70% Cu was achieved in 68 days of flask leaching including 18 days of acid pre-leaching and 50 days of bioleaching.

  • Cited by: 28
  • Bioleaching of a low-grade nickel–copper sulfide by

    This study investigated thermophilic bioleaching of a low grade nickel–copper sulfide using mixture of four acidophilic thermophiles. Effects of 0.2 g/L l-cysteine on the bioleaching process were further evaluated.It aimed at offering new alternatives for enhancing metal recoveries from nickel–copper sulfide.

  • Cited by: 28
  • Bioleaching of a low grade nickel–copper–cobalt sulfide

    The bioleaching behavior of copper and nickel from a low-grade nickel, copper, and cobalt-bearing sulfide ore was investigated. A recovery of 94% Ni, 62% Co and 70% Cu was achieved in 68 days of

  • Leaching of a low-grade, copper-nickel sulfide ore. 1. Key

    1 Leaching of a low-grade, copper-nickel sulfide ore. 1. Key parameters impacting on Cu recovery during column bioleaching H.R. Watling1*, A.D. Elliot,1 M. Maley,2 W. van Bronswijk2 and C. Hunter3 1 AJ Parker Cooperative Research Centre for Integrated Hydrometallurgy Solutions, CSIRO Minerals, PO Box 7229, Karawara, Western Australia 6152

  • Column Bioleaching of a Low-Grade Nickel-Bearing Sulfide

    Column Bioleaching of a Low-Grade Nickel-Bearing Sulfide Ore . Yellow Mountain Deposit belonging to GobiMin Inc is located in the Chinese Tianshan and Altay orogenic belts, Hami, Xinjiang Province, NW China. Indicated Mineral Resources of its reserve are estimated at 12 million tonnes averaging 0.40 per cent nickel. Mineralogical examination

  • process of sulfide ore europaristorante

    Bioleaching of low grade nickel sulfide mineral in column &#; nickel sulfide ore by bioleaching process is a particular interest of researchers concerning utilization of nickel resources in China[6−8].

  • Bioleaching of a low grade nickel–copper–cobalt sulfide

    2011-02-01· Abstract. The bioleaching behavior of copper and nickel from a low-grade nickel, copper, and cobalt-bearing sulfide ore was investigated. A recovery of 94% Ni, 62% Co and 70% Cu was achieved in 68 days of flask leaching including 18 days of acid pre-leaching and 50 days of bioleaching.

  • Bioleaching of a low-grade nickel-copper sulfide by

    This study investigated thermophilic bioleaching of a low grade nickel-copper sulfide using mixture of four acidophilic thermophiles. Effects of 0.2g/L l-cysteine on the bioleaching process were

  • (PDF) Bioleaching of Low Grade Tellurium Sulfide Mineral

    An extraction of nickel (90.3%) and cobalt (88.6%) was successfully achieved within a 300 d leaching process from the Jinchuan low grade nickel sulfide mineral ore using a column reactor at

  • Bioleaching of a low-grade ultramafic nickel sulphide ore

    Request PDF on ResearchGate Bioleaching of a low-grade ultramafic nickel sulphide ore in stirred-tank reactors at elevated pH The purpose of the present work is to investigate the technical

  • Bioleaching of copper, nickel and cobalt from the low

    2015-04-01· Read "Bioleaching of copper, nickel and cobalt from the low grade sulfidic tailing of Golgohar Iron Mine, Iran, Hydrometallurgy" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • Minerals Free Full-Text Electrochemical Behavior of

    Ocean nodules and low-grade nickel sulfide ore are important, but less tractable, mineral resources of Ni, Cu and Co. In low-grade nickel sulfide ore, nickel minerals occur as fine-particles closely associated with copper, cobalt, iron, and other minerals, resulting in a low recovery of valuable metals in terms of traditional ore enrichment .

  • Bioleaching of a low-grade ultramafic nickel sulphide ore

    2009-07-01· Read "Bioleaching of a low-grade ultramafic nickel sulphide ore in stirred-tank reactors at elevated pH, Hydrometallurgy" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • Nickel Bioleaching at Elevated pH: Research and Application

    Biohydrometallurgy has broad application prospect in the treatment of low-grade nickel sulfide ore. However, quite a number of nickel sulfide deposits are associated with basic gangue minerals such as contain olivine, serpentine. The high basic gangue minerals will lead to a higher acid consumption and make it difficult to bioleach at pH below 2.5.

  • Low Grade Copper Sulfide Ore Bioleaching in a New Bioreactor

    Investigation of Bioleaching of a Low Grade Nickel-Cobalt-Copper Sulfide Ore with High Magnesium as Olivine and Serpentine from Lao p.396. Investigation of the Effect of pH Operating Conditions on Bioleaching of Low-Grade Chalcopyrite in Column Reactors p.401. Isolation and Characterization of Actinomycetes from Acidic Cultures of Ores and Concentrates p.406. Low Grade Copper Sulfide Ore

  • Investigation of Bioleaching of a Low Grade Nickel-Cobalt

    Shake flask bioleaching of a low-grade nickel-cobalt-copper sulfide ore from Lao was investigated to test the technical feasibility to recovery metals from this ore. The mineralogical results indicated that the valuable minerals were disseminated finely and the ore had a low content of sulfur and high content of iron and magnesium, which was very harmful for bioleaching.

  • Heap Leaching and Perspectives of Bioleaching Technology

    Perspective objects for bioleaching of Murmansk region The development of technologies for recovery of minerals from low-grade copper-nickel ores and mining wastes of the Murmansk region is an urgent research task. At the initial stage there was a laboratory modeling of heap leaching of low-grade ores and technogenic formations. The results are

  • Heap bioleaching of a low-grade nickel-bearing sulfide ore

    2009-08-01· Read "Heap bioleaching of a low-grade nickel-bearing sulfide ore containing high levels of magnesium as olivine, chlorite and antigorite, Hydrometallurgy" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • Published in: Hydrometallurgy · 2009Authors: Wenqing Qin · Shijie Zhen · Zhongqiang Yan · Maurice Campbell · Jun Wang · Kai LiuAffiliation: Central South University · Jawaharlal Nehru Medical College AligarhAbout: Mesophile · Magnesium · Sulfuric acid · Nickel · Nickel sulfide · Hydrometallurgy
  • Enhanced methods for nickel recovery from low-grade ores

    2017-09-06· Bioleaching is another process that is being looked at for low-grade ores, ideal for reworking waste dumps. This method, under atmospheric pressure, is being used in the Talvivaara project in Finland, a sulfide mineral resource of only 0.27% Ni. Low-grade ores, like nickel sulfide, are abundant on Earth. Nickel sulfide deposits contain high

  • BIOLEACHING MOVES INTO NICKEL

    copper industry and tank bioleaching in the gold sector, as well as the downstream processing and product recovery technology applied in nickel laterite pressure acid leaching projects. Heap Bioleaching . Terrafame Operation . The operation involves heap bioleaching of a low grade complex nickel polymetallic ore in Finland. It was

  • Bioleaching of low-grade copper sulfide ores by

    The bioleaching rates reach their highest point in sulfide copper and chalcopyrite with a pulp density of 5% and 10%, respectively. Column flotation experiments of low-grade copper sulfide ores show that the bioleaching recovery reaches nearly 45% after 75 days.

  • Mechanism of Mg2+ dissolution from olivine and serpentine

    Abstract. To inhibit the dissolution of Mg 2+ during the bioleaching process of high-magnesium nickel sulfide ore, the effect of major bi-oleaching factors on the dissolution of Mg 2+ from olivine and serpentine was investigated and kinetics studies were carried out. The results indicated that the dissolution rate-controlling steps are chemical reaction for olivine and internal diffusion for