清远市2家综合医院排放污水的消毒效果

Disinfection Effect of Sewage from 2 General Hospitals in Qingyuan City

目的了解掌握清远市市属综合医院排放污水消毒处理现状和存在的问题,加强对医院排放污水的监督管理,严防因医院的医源性污染通过排放的污水对周围环境及水源造成污染和危害。方法2004—2007年,每年分上半年及下半年各抽取1次医院排放的污水进行粪大肠菌群及肠道致病菌的检验。按照《GB18466-2005医疗机构水污染物排放标准》进行评价。结果2家医院总共抽取排放污水92份,其中粪大肠菌群(MPN/L)合格81份,总合格率为88.04%。其中某人民医院53份,合格48份,合格率为90.56%;某中医院样品39份,合格33份,合格率为84.62%;所有样品均末检出肠道致病菌。结论2家医院排放的污水消毒效果不稳定,合格率不能达到100%,应进一步加强对医疗单位污水排放消毒的监督管理。

[ Objective] To understand and master the current status and existed problem in sewage discharge in Qingyuan city affiliated general hospitals, strengthen the supervision and management of the hospitals＇ sewage discharge, and prevent the surrounding environment and water pollution from iatrogenic pollution through sewage discharge. [ Methods] During 2004--2007 samples of the hospital-discharged water were collected per half year for fecal coliform and intestinal bacteria tests. The results were evaluated according to ＂GB18466 -2005 medical institutions, water pollutant discharge standards＂. [ Results] A total of 92 discharged sewage samples of 2 hospitals were sampled, 81 （88.04% ） were MPN/L qualified, among which 53 were collected from People＇s Hospital, 48 （90.56% ） were qualified; 39 of a Chinese medicine hospital, 33 （84.62%）were qualified; intestinal bacteria was not detected in all the samples. [ Conclusion]The disinfection effects of sewage discharged in the 2 hospitals are instable and the qualified rate cannot rise up to 100%, the supervision and management of medical discharged sewage disinfection should be further strengthened.