Research on Tungsten Extraction from Alkali Sodium Tungstate Solution with Quaternary Ammonium Salt AITranslate
Abstract AITranslate
Study was made of tungsten extraction from alkaline sodium tungstate solution with the quaternary ammonium salt of tri-n-octylmethyl ammonium chloride （TOMAC） as the extractant. The effects of various conditions on tungsten extraction were investigated such as extractant concentration,DL-2-octanol concentration,phase ratio, extraction time and NaOH concentration of feed solution. And the extraction isotherms were plotted. The results show that the organic phase comprising 50% TOMAC＋20% DL-2-oetanol＋30% sulfonated kerosene has excellent performance of tungsten extraction and phase separation, and extraction equilibrium can be reached within 1 min. Both tungsten extraction rate and WO3-loading saturation capacity of the organic phase slightly decrease with the increase of NaOH concentration of feed solution. The extraction system can meet the requirement for deeply extracting tungsten from alkali soda leaching liquor of tungsten ores.
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Basic Information:
DOI：
Chinese Library Classification Number:TF841.1[冶金工程—有色金属冶金]
Citation Information:
Study was made of tungsten extraction from alkaline sodium tungstate solution with the quaternary ammonium salt of tri-n-octylmethyl ammonium chloride （TOMAC） as the extractant. The effects of various conditions on tungsten extraction were investigated such as extractant concentration,DL-2-octanol concentration,phase ratio, extraction time and NaOH concentration of feed solution. And the extraction isotherms were plotted. The results show that the organic phase comprising 50% TOMAC＋20% DL-2-oetanol＋30% sulfonated kerosene has excellent performance of tungsten extraction and phase separation, and extraction equilibrium can be reached within 1 min. Both tungsten extraction rate and WO3-loading saturation capacity of the organic phase slightly decrease with the increase of NaOH concentration of feed solution. The extraction system can meet the requirement for deeply extracting tungsten from alkali soda leaching liquor of tungsten ores.
quote
| GB/T 7714-2015 | [1] KE Zhao-hua, ZHANG Gui-qing, GUAN Wen-juan, et al. Research on Tungsten Extraction from Alkali Sodium Tungstate Solution with Quaternary Ammonium Salt[J]. Rare Metals and Cemented Carbides, 2012(6): 1-4. |
| MLA | [1] KE Zhao-hua, et al., "Research on Tungsten Extraction from Alkali Sodium Tungstate Solution with Quaternary Ammonium Salt." Rare Metals and Cemented Carbides, no. 6, 2012, pp. 1-4. |
| APA | [1] KE Zhao-hua, ZHANG Gui-qing, GUAN Wen-juan, & SHANG Guang-hao. (2012). Research on Tungsten Extraction from Alkali Sodium Tungstate Solution with Quaternary Ammonium Salt. Rare Metals and Cemented Carbides(6), 1-4. |
| IEEE | [1] KE Zhao-hua, ZHANG Gui-qing, GUAN Wen-juan, and SHANG Guang-hao, "Research on Tungsten Extraction from Alkali Sodium Tungstate Solution with Quaternary Ammonium Salt," Rare Metals and Cemented Carbides, no. 6, pp. 1-4, 2012. keywords: {tungsten sodium tungstate solution alkali extraction quaternary ammonium salt NaOH} |