ZENG Hui-qing,GUZhi-hao,WANG Bai-yang,et al.Case Study of an Antibiotic Wastewater Treatment Project[J].China Water & Wastewater,2022,38(6):99-102.
抗生素生产废水处理工程实例
- Title:
- Case Study of an Antibiotic Wastewater Treatment Project
- 摘要:
- 某制药公司通过化学合成法生产抗生素原料药,其废水中有机物含量高且难生物降解,原有处理工艺出水水质无法满足排放标准。根据废水特性,对原有处理工艺进行改进,用铁碳微电解+芬顿+混凝沉淀组合工艺对高浓度废水进行预处理,再与综合废水混合后进入生化处理段。运行结果表明,该处理系统对抗生素废水降解性能良好,预处理段COD去除率达到50.23%,生化段COD去除率达到94.2%,NH3-N平均去除率为79%以上,出水水质符合园区污水厂纳管标准。
- Abstract:
- A pharmaceutical company produces active pharmaceutical ingredients (APIs) for antibiotic through chemical synthesis. Its wastewater contains high organic matter and is difficult to biodegrade. The original treatment process whose effluent quality cannot meet the discharge standards was improved according to the characteristics of wastewater. The high-concentration wastewater is pretreated by the combined process of iron-carbon micro-electrolysis, Fenton, coagulation sedimentation, and then mixed with the comprehensive wastewater into the biochemical treatment section. The operating results show that the treatment system has good degradation performance for antibiotic wastewater. The COD removal rate in the pretreatment section reached 50.23%, the removal rate of COD in the biochemical section reached 94.2%, and the average removal rate of NH3-N was above 79%. The effluent quality meets the influent standards of the sewage plant in the industrial park.
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