镍基碳纳米管膜电极的制备和废水氨回收效能研究

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【中图分类号】：X703 【文献标志码】：A 【文章编号】：1008-3197（2026）01-11-05

【DOI编码】：10.3969/j.issn.1008-3197.2026.01.003

Preparation of Nickel Based Carbon Nanotube Membrane Electrode and Researchon AmmoniaRecoveryEfficiencyfrom Wastewater

TANG Gaozheng'，WANG Anshan²，ZHANG Liming2，LIMenghao1，XING Ziyao’，ZHANG Jinghong'，ZHANG Yuling'

（1.HebeiKeyLaboratoryofNewEnergEnvironmentalSafetyandResourceUilzation，orthChinaElectricPowerUniversityaoding 071003，China;2.Equipment Department，China Resources Power（Cangzhou YUndong）Co.，Ltd.，CangzhouO61014，China） 【Abstract】 ： Aiming at the key problems of low recovery efficiency and high energy consumption of chemical ammonia recovery technology from ammonia nitrogen waste water，a high-eficiency membrane electrode for ammonia recovery by electrochemical method was prepared.The membrane electrode was a two-dimensional layered structure composed of polytetrafluoroethylene（PTFE） membrane，carbon nanotube（CNT）layer and hydrophilic nickellayer deposited on the CNT layer.SEM，XRD，XPS and LSV curvesshowed that the nickel layer significantly enhanced the ammonia recovery performance.The experimental results showed that when the initial ammonia nitrogen mass concentration was 500mg/L ，the membrane electrode achieved 81.78% ammonia nitrogen removal rate and 72.43% ammonia recovery rate within 300min ，and the average ammonia flux was 1.45gNH3-N/（m2⋅h-1）.

【Key words】：ammonia recovery from wastewater;carbon nanotubes;nickel;electrochemistry;membrane electrode

氨是世界上产量第二大的化学品。（剩余5978字）