EFFECT OF NUTRIENT ON THE BIOLEACHING OF NICKEL-BEARING PYRRHOTITE BY THIOBACILLUS FERROOXIDANS

李洪枚; 柯家骏

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EFFECT OF NUTRIENT ON THE BIOLEACHING OF NICKEL-BEARING PYRRHOTITE BY THIOBACILLUS FERROOXIDANS

更新时间：2025-12-16

- EFFECT OF NUTRIENT ON THE BIOLEACHING OF NICKEL-BEARING PYRRHOTITE BY THIOBACILLUS FERROOXIDANS
- CIESC Journal Issue S1, (2000)
- 作者机构：
  
  中国科学院化工冶金研究所!北京100080,中国科学院化工冶金研究所,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： F111
- Online First：30 December 2000，
  
  Published：30 December 2000
- 稿件说明：
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李洪枚, 柯家骏. EFFECT OF NUTRIENT ON THE BIOLEACHING OF NICKEL-BEARING PYRRHOTITE BY THIOBACILLUS FERROOXIDANS[J]. CIESC Journal, 2000, (S1).
DOI：

李洪枚, 柯家骏. EFFECT OF NUTRIENT ON THE BIOLEACHING OF NICKEL-BEARING PYRRHOTITE BY THIOBACILLUS FERROOXIDANS[J]. CIESC Journal, 2000, (S1). DOI：

摘要

研究了Ｆｅ２＋、ＮＨ４＋和葡萄糖对氧化亚铁硫杆菌（Ｔ．ｆｓ）浸出合镍磁黄铁矿的影响，实验结果表明，加入适量的Ｆｅ２＋或ＮＨ４＋能明显提高镍、铜和钴的浸出率；一定量的葡萄糖会抑制镍和钻的浸出，而促进镁的浸出，但对铜的浸出无明显影响。分析实验结果指出，镍的浸出是细菌与矿物的直接作用和Ｆｅ３＋与矿物的间接作用两者的结果，Ｆｅ３＋对铜的浸出无明显影响，而镁的浸出则与浸出液的酸度有关。

Abstract

The effect of Fe2+

NH4+ and glucose on the leaching of nickel-bearing pyrrhotite by Thiobacillus ferrooxidans (T.fs) was investigated. Fe2+

NH4+ amendment obviously enhanced the leaching of Ni

Cu and Co. Certain concentration of glucose in the medium inhabited the dissolution of Ni and Co

increased the leaching of Mg and did not obviously affect the leaching of Cu. Ni was leached from nickel-bearing pyrrhotite by both direct reaction of bacteria with minerals and indirect reaction of Fe3+ with minerals

Fe3+ did not obviously influence the leaching of Cu. The leaching of Mg depended on pH of leaching solution.

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