Study on Recovery of Tungsten from Solution Containing Arsenotungstic Heteropoly Acid by D309 Resin AITranslate
Abstract AITranslate
D3o9 macroporous weakly basic anion exchange resin was used to recover tungsten from the hydrochloric acid leaching solution of scheelite containing arsenotungstic heteropoly acid and transform it into ammonium tungstate solution.The adsorption isotherm,adsorption kinetics,and process conditions of adsorption and desorption of[AsW12O40]3-by D309 resin were investigated.The results show that the adsorption process of[AsW12O40]3-by D309 resin fits Langmuir isothermal equation and is monolayer adsorption.The control step of the adsorption process is particle diffusion.Under the optimal conditions of temperature of 55 C,reaction time of 1 h and liquid-solid ratio of 2.5:1,the adsorption rate of tungsten can reach 99.90%.Under the optimal conditions of temperature of 55 C,reaction time of 3 h,ammonia concentration of 210 g/L and liquid-solid ratio of 1.25:1,the desorption rate of tungsten is 91.78%.
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DOI：
Chinese Library Classification Number:TF841.1[冶金工程—有色金属冶金]
Citation Information:
D3o9 macroporous weakly basic anion exchange resin was used to recover tungsten from the hydrochloric acid leaching solution of scheelite containing arsenotungstic heteropoly acid and transform it into ammonium tungstate solution.The adsorption isotherm,adsorption kinetics,and process conditions of adsorption and desorption of[AsW12O40]3-by D309 resin were investigated.The results show that the adsorption process of[AsW12O40]3-by D309 resin fits Langmuir isothermal equation and is monolayer adsorption.The control step of the adsorption process is particle diffusion.Under the optimal conditions of temperature of 55 C,reaction time of 1 h and liquid-solid ratio of 2.5:1,the adsorption rate of tungsten can reach 99.90%.Under the optimal conditions of temperature of 55 C,reaction time of 3 h,ammonia concentration of 210 g/L and liquid-solid ratio of 1.25:1,the desorption rate of tungsten is 91.78%.
quote
| GB/T 7714-2015 | [1] LIU Jia-xun, DING Wei, HUO Guang-sheng, et al. Study on Recovery of Tungsten from Solution Containing Arsenotungstic Heteropoly Acid by D309 Resin[J]. Rare Metals and Cemented Carbides, 2023(2): 1-7. |
| MLA | [1] LIU Jia-xun, et al., "Study on Recovery of Tungsten from Solution Containing Arsenotungstic Heteropoly Acid by D309 Resin." Rare Metals and Cemented Carbides, no. 2, 2023, pp. 1-7. |
| APA | [1] LIU Jia-xun, DING Wei, HUO Guang-sheng, CHEN Ping, ZENG Lu-qi, LIAO Cheng-gang, & AO Xiang. (2023). Study on Recovery of Tungsten from Solution Containing Arsenotungstic Heteropoly Acid by D309 Resin. Rare Metals and Cemented Carbides(2), 1-7. |
| IEEE | [1] LIU Jia-xun, DING Wei, HUO Guang-sheng, CHEN Ping, ZENG Lu-qi, LIAO Cheng-gang, and AO Xiang, "Study on Recovery of Tungsten from Solution Containing Arsenotungstic Heteropoly Acid by D309 Resin," Rare Metals and Cemented Carbides, no. 2, pp. 1-7, 2023. keywords: {arsenotungstic heteropoly acid;tungsten recovery;D309 resin;ion exchange;dynamics;adsorption isotherm;ammonia desorption} |