New reagents for controlling of H2O2 by metal sulfide and its effect in sulfide mineral floatation

Alireza Javadi

首页> 外文期刊>International Journal of Mining and Geo-Engineering >New reagents for controlling of H2O2 by metal sulfide and its effect in sulfide mineral floatation

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New reagents for controlling of H2O2 by metal sulfide and its effect in sulfide mineral floatation

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Our recent studies revealed that the ground sulphide minerals in contact with water generate H2O2 but its effect on the oxidation of pulp components and hence in deteriorating the concentrate grade and recovery in flotation has not been explored yet. The use of Na2S reductant at the grinding stage is thought to control the deleterious effects of H2O2 in the pulp liquid. Therefore, the effect of Na2S addition during grinding stage on the formation of H2O2 and its influence on sulphide complex ore flotation was investigated. The results showed that the presence of Na2S increases the formation of H2O2 but decreases the dissolved oxygen. An increase in Na2S dosage in grinding, the Pb grade and recovery in Cu-Pb concentrate is decreased while pyrite is depressed marginally better. These changes in flotation response of sulphides have been discussed and explained with the formation of H2O2 quantitatively.

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《International Journal of Mining and Geo-Engineering》 |2021年第1期|29-32|共4页
作者
Alireza Javadi;
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作者单位

Department of Engineering, University of Kashan;

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原文格式 PDF
正文语种英语
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Sulphide complex ore; Na2S; Depressant; Flotation;

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1. The Effect of Complexing Reagents on Flotation of Sulfide Minerals and Cassiterite from Tin-Sulfide Tailings [J] . Matveeva T.N., Chanturiya V.A., Getman V.V.Gromova N.K.Ryazantseva M.V.Karkeshkina A.Y.Lantsova L.B.Minaev V.A. Mineral Processing and Extractive Metallurgy Review . 2022,第8期

机译：The Effect of Complexing Reagents on Flotation of Sulfide Minerals and Cassiterite from Tin-Sulfide Tailings
2. Hydrothermal sulfidation and floatation treatment of heavy-metal-containing sludge for recovery and stabilization [J] . Yan-Jie Liang, Li-Yuan Chai, Xiao-Bo MinChong-Jian TangHai-Jing ZhangYong KeXian-De Xie Journal of hazardous materials . 2012,第30期

机译：Hydrothermal sulfidation and floatation treatment of heavy-metal-containing sludge for recovery and stabilization
3. Fluid evolution, metal source, and ore genesis of sulfide mineralization, Nim Ka Thana Copper Belt, Rajasthan, India: evidence from mineral chemistry, fluid inclusions and sulfur isotope geochemistry [J] . Gantait Arindam, Debnath Sanjoy, Anand AbhishekJakhar Sukesh Arabian journal of geosciences . 2023,第3期

机译：Fluid evolution, metal source, and ore genesis of sulfide mineralization, Nim Ka Thana Copper Belt, Rajasthan, India: evidence from mineral chemistry, fluid inclusions and sulfur isotope geochemistry
4. Metallogenic magmatism of Huangshan Cu-Ni sulfide deposit in Xinjiang, west China [C] . Hu Peiqing, Zhang Mingjie, Li Chusi, Xi'an international Ni-Cu (Pt) deposit symposium . 2009

机译：metal lo个昵称吗GMAT ISM of Huang山Cu-NI sulfide deposit in Xinjiang, west China
5. Poly[[diaqua(μ2-4,4′-dipyridyl sulfide-κ2N:N′)(4,4′-dipyridyl sulfide-κN)(2-hydroxy-5-sulfonatobenzoato-κO1)nickel(II)] dihydrate] [O] . Jun-Xia Li, Zhong-Xiang Du 2008

机译：聚[[diaqua（＆＃956; 2-4,4＆＃8242; -dipyridyl sulfide - ＆＃954; 2N：N＆＃8242;）（4,4＆＃8242; -dipyridyl sulfide - ＆＃954; N）（ 2-羟基-5-磺酸基苯甲酸 - ＆＃954; O1）镍（II）]二水合物]
6. Compositions of Magmatic and Impact Melt Sulfides in Tissint And EETA79001: Precursors of Immiscible Sulfide Melt Blebs in Shergottite Impact Melts. [R] . Ross, D. K., Rao, M. N., Nyquist, L., 2013

机译：组织中的magmatic和Impact melt sulfides和EETa79001的组成：shergottite冲击熔体中不混溶的硫化物熔体的前体。

New reagents for controlling of H2O2 by metal sulfide and its effect in sulfide mineral floatation

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