ZHANG Wei*.Study on Treatment Process and Optimization of Nickel-Containing Electroplating Wastewater[J].Plating & Finishing,2021,(10):41-45.[doi:10.3969/j.issn.1001-3849.2021.10.008]
电镀含镍废水处理工艺优化研究
- Title:
- Study on Treatment Process and Optimization of Nickel-Containing Electroplating Wastewater
- 文献标志码:
- A
- 摘要:
- 采用H2O2/UV+Na2S沉淀法处理含镍废水，考察了H2O2加入量、破络反应时间、体系pH和Na2S加入量等因素对废水中镍离子浓度的影响，利用Design Expert8.0中Box-Behnken法进行响应面分析优化。最佳工艺条件为：H2O2加入量21.5 mL/L，破络反应时间26.2 min，pH=9.7，Na2S加入量为67 mg/L。在该条件下，处理后的废水镍离子浓度达到0.0897 mg/L，满足排放标准。
- Abstract:
- The nickel-containing wastewater was treated by H2O2/UV + Na2S precipitation method in this paper. The effects of H2O2 addition amount, detoxification reaction time, pH and Na2S addition amount on the concentration of nickel ion in wastewater were investigated. And the response surface analysis was optimized by Box-Behnken method in Design Expert 8.0. The optimum technological conditions were as follows: H2O2 dosage 21.5 mL/L, reaction time 26.2 min, pH 9.7 and Na2S dosage 67 mg/L. Under these conditions, the concentration of nickel ion in the treated wastewater was about 0.0897 mg/L, which met the discharge standard.
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备注/Memo
收稿日期： 2020-11-09；修回日期： 2021-01-18
通信作者： 张卫（1984—），女，硕士，讲师，从事环境保护、水处理方面的研究。email：wkzhangwei10@163.com
基金项目： 山东省高等学校科研创新平台课题项目（2018YY035）