تقييم كفاءة أداء بعض محطات معالجة مياه الصرف الصحي في مدينة كركوك

الملخص EN

There are many station of Wastewater Treatment Plants in kirkuk Governorate and in spite of that, the executed Wastewater plants suffer from many problems resulted from less efficiency in operating and following up the working of plants.

Therfore in this Research the evaluation of efficiency of treatment and the quality of the final flow of wastewater for three treatment plants in kirkuk city, one of them works by activated sludge system and another two plants work by sequencing batch reactors.

The labratory tests conducted for eight months starting from july 2016 till february 2017, for chemistry properties such as (PH), dissolved oxygen(DO)، biology oxygen demand (BOD5), chemical oxygen demand (COD), total suspended solid (TSS) and concerning each of Sulfates(SO4), phosphate(PO4), Nitrate (NO3).

The results of this study show to unusable of outlet water from these plants as human drinking and limited irrigation due to the overrun of the concentration of some parameters the international iraqe permissible rany, The stations efficincy were rather good in reducing contaminations values