Production Application of Gallium Concentrate Preparation by P204+YW100Extraction Process AITranslate
Abstract AITranslate
The production of gallium concentrate from sulfuric acid leaching solution by P204+YW100 sy-nergistic extraction system in a domestic zinc smelter was introduced.Based on the analysis of the deficiencies in the process of extraction-stripping-sulfuration purification-neutralization hydrolysis precipitation,the following measures were put forward:stably control the acid content of the extraction solution at 10~20 g/L,reduce the iron ion concentration to below 0.2 g/L,and optimize the addition of synergist YW100 from intermittent supplementation to continuous supplementation.Diffusion dialysis was used to separate the free acid in the gallium stripping liquid.The source control of extraction was strengthened to reduce impurity elements entering the stripping solution.The sulfuration purification was canceled and sodium hydroxide was used as a neutralizing agent instead of sodium carbonate.The results show that after process optimization,the extraction of gallium increases from less than 75%to more than 99%.For treating high-acid gallium stripping solution by diffusion dialysis membrane,the retention rates of iron,copper,zinc,gallium,and sulfuric acid are 85.71%,87.27%,90.00%,90.54%and 9.71%,respectively.The recovery rate of acid reaches 90.29%,the recovered acid mixed with concentrated sulfuric acid can be used as the stripping agent of gallium,realizing the recycling of resources.The grade of gallium concentrate is improved from 8.51%to 26.47%,providing a high-quality material for the subsequent alkali dissolution-gallium electrowinning.
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Basic Information:
DOI：
Chinese Library Classification Number:TF803.27[冶金工程—有色金属冶金]
Citation Information:
The production of gallium concentrate from sulfuric acid leaching solution by P204+YW100 sy-nergistic extraction system in a domestic zinc smelter was introduced.Based on the analysis of the deficiencies in the process of extraction-stripping-sulfuration purification-neutralization hydrolysis precipitation,the following measures were put forward:stably control the acid content of the extraction solution at 10~20 g/L,reduce the iron ion concentration to below 0.2 g/L,and optimize the addition of synergist YW100 from intermittent supplementation to continuous supplementation.Diffusion dialysis was used to separate the free acid in the gallium stripping liquid.The source control of extraction was strengthened to reduce impurity elements entering the stripping solution.The sulfuration purification was canceled and sodium hydroxide was used as a neutralizing agent instead of sodium carbonate.The results show that after process optimization,the extraction of gallium increases from less than 75%to more than 99%.For treating high-acid gallium stripping solution by diffusion dialysis membrane,the retention rates of iron,copper,zinc,gallium,and sulfuric acid are 85.71%,87.27%,90.00%,90.54%and 9.71%,respectively.The recovery rate of acid reaches 90.29%,the recovered acid mixed with concentrated sulfuric acid can be used as the stripping agent of gallium,realizing the recycling of resources.The grade of gallium concentrate is improved from 8.51%to 26.47%,providing a high-quality material for the subsequent alkali dissolution-gallium electrowinning.
quote
| GB/T 7714-2015 | [1] ZHANG Wei, WU Cai-gui, RAO Shuai, et al. Production Application of Gallium Concentrate Preparation by P204+YW100Extraction Process[J]. Rare Metals and Cemented Carbides, 2022(5): 33-39. |
| MLA | [1] ZHANG Wei, et al., "Production Application of Gallium Concentrate Preparation by P204+YW100Extraction Process." Rare Metals and Cemented Carbides, no. 5, 2022, pp. 33-39. |
| APA | [1] ZHANG Wei, WU Cai-gui, RAO Shuai, GONG Xiao-dan, ZHANG Deng-kai, HU Dong-feng, & ZHOU Ke-hua. (2022). Production Application of Gallium Concentrate Preparation by P204+YW100Extraction Process. Rare Metals and Cemented Carbides(5), 33-39. |
| IEEE | [1] ZHANG Wei, WU Cai-gui, RAO Shuai, GONG Xiao-dan, ZHANG Deng-kai, HU Dong-feng, and ZHOU Ke-hua, "Production Application of Gallium Concentrate Preparation by P204+YW100Extraction Process," Rare Metals and Cemented Carbides, no. 5, pp. 33-39, 2022. keywords: {P204+YW100;extraction;gallium concentrate;diffusion dialysis;purification;neutralization hydrolysis precipitation} |