دانلود مقاله Influence of water and sewage treatment processes on decreasing water- related diseases in marsh community of Iraq
سال انتشار: ۱۳۸۸
محل انتشار: اولین کنفرانس بین المللی مدیریت منابع آب
تعداد صفحات: ۶
Hussein Al-Nasrawi – Amarah Technical Institute -IRAQ
Samples of drinking water were collected during 2003 and 2004 from containers in villagers of rural area in Al-Kahla`a district , whreas waste water and sewage disposals samples were drained from efluents of sewage treatment plant in Al-Mudatharah locality in Al-Kahla`a distict during 2003, 2004 and 2005 .Results of our present study shows that diahrreal cases among marsh community children have been decreaced from 139 to 49 case after construction new water facility and MPN of E.coli decreased from 5.1 colonies per 100ml.water to zero colonies as a result of chlorination.Waste water test which discharged to the river refered to decrease of E.coli numbers from >10 colonies per100 ml. to < 10 colonies per 100ml which led to decrease diarrheal cases fro 688 to 250 . Conclusions of present study confirmed that untreated sewage influents consider the main key factor for posibility of spreading E.Coli in untreated drinking water which contribute in increasing of morbidity cases among children under years of age .