组合生物技术处理制药废水及其生物相

Pharmaceutical Wastewater Treatment and Its Biological Phase in Combination with Biological Technology

为有效治理化学制药废水和生物制药废水,采用水解酸化-活性污泥-曝气生物滤池组合工艺对制药废水进行室内模拟生物处理研究。结果表明:该工艺对出水COD、BOD5的去除率均大于90%,已达到《污水综合排放标准》(GB 8978-1996)二级标准。对生物相的显微镜观察分析表明,污泥絮体和生物膜生长良好,并出现变形虫、轮虫和漫游虫等原生和后生动物。对各构筑物中的细菌进行分离纯化,同时应用BIOLOG细菌鉴定系统进行鉴定,分别得到8株、3株、6株可培养的细菌。

The biological technology （hydrolytic acidification-activated sludge-biological aerated filter technique） was used to treat the pharmaceutical wastewater. The results indicate that removal efficiency of the process for both COD and BOD5 are higher than 90%, and all the indexes already met the second class of ＂National Comprehensive Wastewater Discharge Standard＂ （GB8978 - 1996）. The microscopic observation shows that the sludge flocs and the biofilms grow well and there are amoebas, rotifers and vagiles in succession. After separation and purification of bacteria in every unit, 8 species in hydrolytic acidification tank, 3 species in activated sludge tank, and 6 species in biological aerated filter tank are found and identified by BIOLOG bacterial identification system respectively.