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Influence of surfactants on bioleaching of arsenic-containing gold concentrate

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成果类型:
期刊论文
作者:
Fang Fang;Zhong Hong*;Jiang Fang-ming;Li Zhao-hui;Chen Yong-fa;...
通讯作者:
Zhong Hong
作者机构:
[Zhong Hong; Fang Fang; Jiang Fang-ming] Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Peoples R China.
[Li Zhao-hui; Chen Yong-fa; Zhan Xue-hui; Fang Fang] Changsha Univ Sci & Technol, Coll Chem & Biol Engn, Changsha 410114, Hunan, Peoples R China.
[Zhong Hong; Fang Fang; Jiang Fang-ming] Cent S Univ, Minist Educ, Key Lab Resources Chem Nonferrous Met, Changsha 410083, Peoples R China.
通讯机构:
[Zhong Hong] C
Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Peoples R China.
语种:
英文
关键词:
Acidithiobacillus ferrooxidans;arsenic-containing gold concentrate;surfactants;bioleaching
关键词(中文):
非离子表面活性剂;含砷金精矿;生物浸出;阴离子表面活性剂;木素磺酸钙;细菌粘附;质量浓度;浸出率
期刊:
中南大学学报(英文版)
ISSN:
2095-2899
年:
2014
卷:
21
期:
10
页码:
3963-3969
基金类别:
Foundation item: Projects(51104024, 51374043) supported by National Natural Science Foundation of China; Project(10JJ6019) supported by Hunan Provincial Natural Science Foundation, China; Project(10C0399) supported by Scientific Research Fund of Hunan Provincial Education Department, China; Project(2014SK3182) supported by Hunan Provincial Science & Technology Department, China Received date: 2013−10−14; Accepted date: 2014−01−16 Corresponding author: ZHONG Hong, Professor, PhD; Tel: +86−731−88830654; E-mail: zhongh@csu-edu-cn-s.stat.lib.xjtu.edu.cn:443
机构署名:
本校为其他机构
院系归属:
化学与生物工程学院
摘要:
To shorten the bioleaching cycle of arsenic-containing gold concentrate, surfactants were used to promote the interaction between bacteria and ore to increase the arsenic leaching rate. Three different kinds of surfactants were used to evaluate the effects of surfactants on the growth of bacteria and arsenic leaching rate of arsenic-containing gold concentrate. The mechanism underlying surfactant enhancement was also studied. Results show that when relatively low-concentration surfactants are added to the medium, no significant difference is ob...
摘要(中文):
弄短包含砷的黄金的 bioleaching 周期专注,表面活化剂被用来支持在细菌和矿石之间的相互作用增加沥滤的砷率。表面活化剂的三种不同类型被用来在细菌的生长和包含砷的黄金的砷沥滤率上评估表面活化剂的效果专注。位于表面活化剂改进下面的机制也被学习。结果证明当相对低集中的表面活化剂被加到媒介时,没有重要差别在生长和 Fe 被观察 < 啜 class= “ a-plus-plus ” > 细菌的 2+ 氧化能力与在媒介的没有表面活化剂相比。然而,表面活化剂 Tween 80 被发现改进沥滤的砷的仅仅 anionic 表面活化剂钙 lignosulfonate 和 nonionic 评价。他们的最佳团集中分别地是 30 和 80 mg/L。在如此的最佳团...

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