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<p>A combined method of constant temperature oscillation and hydrothermal synthesis was adopted to prepare CuO–ZnO heterojunction loaded ion exchange resin. SEM, EDS, XRD and FTIR were used to analyze and characterize the composite, and the effects of different hydrothermal times and alkali dosage on the morphology, composition, crystal structure, etc. of the composite were discussed in detail. The results showed that the composite formed a clear “shell-core” structure, with a surface covered with nanorod like products, mainly consisting of monoclinic CuO species and hexagonal ZnO species. Using polyacrylamide (PAM) as the target pollutant for degradation in water, photocatalytic degradation experiments were conducted under simulated sunlight, and the composite with the best photocatalytic performance was subjected to cycle experiment. The formation mechanism of composite and the photocatalytic mechanism were analyzed. This composite can be expected to be applied in the treatment of organic pollutant wastewater in oil fields.</p>

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Preparation of nano CuO–ZnO@ion exchange resin composite and its photocatalytic degradation of polyacrylamide

  • 期刊论文

  • 发表日期：

    2026年5月11日

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  • Ying Wang,
  • Yuhao Zhang,
  • Gang Li,
  • Zhiqing Lai,
  • Xiaohui Zhou

摘要

A combined method of constant temperature oscillation and hydrothermal synthesis was adopted to prepare CuO–ZnO heterojunction loaded ion exchange resin. SEM, EDS, XRD and FTIR were used to analyze and characterize the composite, and the effects of different hydrothermal times and alkali dosage on the morphology, composition, crystal structure, etc. of the composite were discussed in detail. The results showed that the composite formed a clear “shell-core” structure, with a surface covered with nanorod like products, mainly consisting of monoclinic CuO species and hexagonal ZnO species. Using polyacrylamide (PAM) as the target pollutant for degradation in water, photocatalytic degradation experiments were conducted under simulated sunlight, and the composite with the best photocatalytic performance was subjected to cycle experiment. The formation mechanism of composite and the photocatalytic mechanism were analyzed. This composite can be expected to be applied in the treatment of organic pollutant wastewater in oil fields.