标题 |
Property and mechanism on sorption of molybdenum from tungstate solution with a porous amine resin
多孔胺树脂吸附钨酸盐溶液中钼的性能及机理
相关领域
吸附
钼
胺气处理
钨酸盐
钨
无机化学
化学
材料科学
化学工程
吸附
有机化学
工程类
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其它 | 摘要:The sustainable development of tungsten and molybdenum resources requires a new clean and recyclable separation technology. This work proposes a recyclable clean separation technology of tungsten and molybdenum with a porous amine resin. The resin was well prepared by assembling amine groups on trioctylamine (TOA) and the porous resin matrix D301 by the dipping method. Here, pH 7.8, temperature 25 °C, and reaction time 240 min was used as optimum condition, resulting in the highest sorption capacity 236 mg g−1, and it has a good cycle performance, exhibiting a retention rate of 90% after five cycles. Experimental spectroscopy combined theoretical calculation confirmed that this sustainable sorption behavior is substantially related to the amine functional groups on the resin. Experimental spectroscopy illustrated that the Cl− ions in the amine resin and the MoS42− ions were subjected to ion exchange. |
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