摘要
[目的 ]进行双坑交替式农村旱厕的卫生学评价。 [方法 ]采集厕坑中间部位的混合样品 ,按 GB795 9-1987检测粪大肠菌群和蛔虫卵。 [结果 ]双坑交替式旱厕是由使用坑和封存坑组成的通风式农村户厕 ,粪便封存坑封存四个半月后 ,粪大肠菌值可提高 3.9× 10 - 3,蛔虫卵死亡率达 96 %以上。 [结论 ]经过一年的使用周期 ,使用坑和封存坑内的粪便可达到粪便无害化处理标准 ;此类型旱厕是适合在西北干旱与半干旱农村地区推广使用的一种无害化卫生厕所。
Objective]To carry out a sanitary assessment on in turn used double vault dry latrines in rural area [Methods]Fecal E coli and ascaris eggs were determined in the mixed fecal samples,sampled from fecal in the central location of excreta pit according to the national standard of GB7959-1987 [Results]After four and half months storage in the storage fecal pit of observed in turn used double vault dry latrines with ventilating installation,constituted by service fecal pit and storage fecal pit the value of fecal E coli of the stored fecal increased 3 9×10 -3 ,and the rate of died ascaris eggs reached to more than 96% [Conclusion]After one year application period,the sanitary indexes of the stored fecal in service fecal pit and storage fecal pit could both meet the sanitary standard of non hazardous treatment of fecal This type of dry latrine,as a non hazardous sanitary latrine,was adequate to be populiarized in dry and semi dry rural areas of Northwest China
出处
《环境与健康杂志》
CAS
CSCD
北大核心
2000年第4期210-211,共2页
Journal of Environment and Health
基金
全国爱卫办和联合国儿童基金会资助项目!(批准号 :ZWO+1- 62 )