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聚苯胺-铁氰化铜复合材料的制备与铵离子的选择性回收研究 被引量:2

Study on Synthesis and Selective Recovery of Ammonia Ion of Polyaniline-Copper Hexacyanoferrate Composite
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摘要 研究提出了一种利用聚苯胺-铁氰化铜(PANI-CuHCF)电池电极的法拉第反应,从水中选择性地去除并回收NH4^+的方法。制得的PANI-CuHCF电极在NH4Cl中的比电容高达302.3 F/g,对NH4^+的选择性最高。该电极已成功地应用于混合电容器去离子装置中,对NH4^+具有1.1 mmol/g的超高吸附容量,且水中高浓度的Na^+对NH4^+的回收去除无明显影响。在NH4^+、Na^+、Ca^2+和Mg^2+共存的模拟废水中,NH4^+的回收率高达78.3%,明显高于其他阳离子。结果表明,PANI-CuHCF电极可以选择性地回收去除水中的NH4^+。 In this paper,a method was proposesd to selectively remove and recover ammonium ion from water by the Faraday reaction of polyaniline-copper hexacyanoferrate(PANI-CuHCF)battery electrode.The specific capacity of the prepared PANI-CuHCF electrode in NH4Cl is as high as 302.3 F/g,with the highest selectivity to NH4^+.The electrode has been successfully used in a hybrid capacitor deionization device.It has an ultra-high adsorption capacity of 1.1 mmol/g for NH4^+,and the high concentration of Na^+in water will not have any significant effect on the recovery and removal of NH4^+.In the simulated wastewater containing the coexistent NH4^+,Na^+,Ca^2+and Mg^2+,the recovery rate of NH4^+is as high as 78.3%,which is higher than that of other cations.The results show that the PANI-CuHCF electrode can selectively remove and recover NH4^+in the water.
作者 蒲海 吴敏 熊小刚 PU Hai;WU Min;XIONG Xiao-gang(Chongqing Industry&Trade Polytechnic,Chongqing 408000,China)
出处 《塑料科技》 CAS 北大核心 2020年第11期54-58,共5页 Plastics Science and Technology
关键词 铁氰化铜 聚苯胺 混合电容去离子 选择性去除 铵离子回收 Copper hexacyanoferrate Polyaniline Hybrid capacitor deionization Selective removal Ammonia ion recovery
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