Using chemicals for papermaking wastewater pretreated experiment, compared the aluminum salt, zinc salt, phosphate and iron salts and organic macromolecule compound on the treatment of papermaking wastewater, the results showed that ferric salt lime-organic polymer composite method is the best effect: photoelectric catalytic oxidation on papermaking wastewater treatment needs a long time and high energy consumption if it's single, but pretreated chemical combined with photo catalytic oxidation method for papermaking wastewater treatment is better and energy consumption is low; the catalyst performance decline with first using, but catalyst performance degradation effect has never declined in follow-up using.%采用化学药剂对造纸废水进行了预处理实验，比较了铝盐、锌盐、磷酸盐以及铁盐与有机高分子复配后对造纸废水的处理效果,结果表明铁盐石灰一有机高分子复配法的处理效果较好；单纯光电催化氧化对造纸废水处理需要较长时间，能耗高；化学预处理联合光电催化氧化法处理造纸废水效果好，能耗低；经初次使用后，催化剂性能有所下降，当后续继续使用时，催化剂性能对降解效果没有影响。
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