Study on the Technology of Recovering Vanadium from Precipitated Mother Liquor by Ion Exchange AITranslate
Abstract AITranslate
Vanadium in the precipitated mother liquor from the hydrolytic precipitation process was reco-vered by ion exchange,and the effects of resin type,feed solution pH,temperature and adsorption time on vanadium adsorption were investigated.The kinetics and isothermal adsorption model of vanadium adsorption by D314 resin were studied.The column dynamic adsorption and desorption tests of vanadium were carried out,and the qualified desorption solution was used to dissolve red vanadium.The results show that under the conditions of pH 2.4,temperature 45℃and adsorption time 40 h,the saturated adsorption capacity of D314 resin for V2O5is 243 mg/mL.With 5%NaOH+10%NaCl as a desorption agent,the V2O5concentration at the peak of desorption solution reaches 67.5 g/L with an enrichment ratio of 23.6 times.The adsorption behavior of vanadium on D314 resin conforms to the pseudo-first-order adsorption kinetic equation,and the isothermal adsorption process conforms to the Langmuir model.The recovery of vana-dium from the precipitated mother liquor by ion exchange shows an adsorption rate of over 95.5%and a desorption rate of over 98.2%.The qualified desorption solution can be used to dissolve red vanadium.The technology is feasible and the process is simple,providing a technical way for vanadium recovery.
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Basic Information:
DOI：
Chinese Library Classification Number:TF841.3[冶金工程—有色金属冶金]
Citation Information:
Vanadium in the precipitated mother liquor from the hydrolytic precipitation process was reco-vered by ion exchange,and the effects of resin type,feed solution pH,temperature and adsorption time on vanadium adsorption were investigated.The kinetics and isothermal adsorption model of vanadium adsorption by D314 resin were studied.The column dynamic adsorption and desorption tests of vanadium were carried out,and the qualified desorption solution was used to dissolve red vanadium.The results show that under the conditions of pH 2.4,temperature 45℃and adsorption time 40 h,the saturated adsorption capacity of D314 resin for V2O5is 243 mg/mL.With 5%NaOH+10%NaCl as a desorption agent,the V2O5concentration at the peak of desorption solution reaches 67.5 g/L with an enrichment ratio of 23.6 times.The adsorption behavior of vanadium on D314 resin conforms to the pseudo-first-order adsorption kinetic equation,and the isothermal adsorption process conforms to the Langmuir model.The recovery of vana-dium from the precipitated mother liquor by ion exchange shows an adsorption rate of over 95.5%and a desorption rate of over 98.2%.The qualified desorption solution can be used to dissolve red vanadium.The technology is feasible and the process is simple,providing a technical way for vanadium recovery.
quote
| GB/T 7714-2015 | [1] HAO Xuan-zhang, WANG Qing-liang, LEI Zhi-wu, et al. Study on the Technology of Recovering Vanadium from Precipitated Mother Liquor by Ion Exchange[J]. Rare Metals and Cemented Carbides, 2023(1): 17-23. |
| MLA | [1] HAO Xuan-zhang, et al., "Study on the Technology of Recovering Vanadium from Precipitated Mother Liquor by Ion Exchange." Rare Metals and Cemented Carbides, no. 1, 2023, pp. 17-23. |
| APA | [1] HAO Xuan-zhang, WANG Qing-liang, LEI Zhi-wu, WANG Hong-qiang, HU Fang, FAN Shi-yao, SU Yu-cheng, LE Dong-dong, & HU E-ming. (2023). Study on the Technology of Recovering Vanadium from Precipitated Mother Liquor by Ion Exchange. Rare Metals and Cemented Carbides(1), 17-23. |
| IEEE | [1] HAO Xuan-zhang, WANG Qing-liang, LEI Zhi-wu, WANG Hong-qiang, HU Fang, FAN Shi-yao, SU Yu-cheng, LE Dong-dong, and HU E-ming, "Study on the Technology of Recovering Vanadium from Precipitated Mother Liquor by Ion Exchange," Rare Metals and Cemented Carbides, no. 1, pp. 17-23, 2023. keywords: {vanadium recovery;precipitated mother liquor;ion exchange resin;adsorption;desorption;dynamics} |