Population growth and the industrial production modernization have generated considerable water needs.This consumption has led to a disproportionate discharge of untreated wastewater,directly into receiving environmen...Population growth and the industrial production modernization have generated considerable water needs.This consumption has led to a disproportionate discharge of untreated wastewater,directly into receiving environments(Oceans,Rivers,Lakes,Surfaces waters,etc.)and leads to thus promote the spread of waters-borne diseases.The main objective of our present work is the description of the pollutant load of wastewater from the city of Mechraa Belksiri(Kénitra-Morocco),to classify them and identify their composition and their intensity to seek an adequate treatment allowing their subsequent reuse and reducing their dangerousness on their receiving environment Oued Sebou.The analysis of temperature,pH,redox potential,electrical conductivity,dissolved oxygen and salinity are recorded in the field using a portable multiparametric analyzer.The wastewater samples intended for analysis in the laboratory were preserved following the general conservation protocol and handling of samples according to ISO 5667/3.Total Suspended Solids(TSS)are measured by filtration.The analysis of the BOD5 is determined using a BODmeter and the COD,according to DIN 38409-H52.Wastewater from Belksiri town has a pH of 7.2 and an average temperature of 20.5℃ and an electrical conductivity of 3145μs/cm.The average concentration of oxygen is very weak at 0.35 mg/L.Wastewater is loaded with organic matter estimated by Suspended Solid matter(average 446 mg/L),BOD5(280 mg/L)and COD(557 mg/L).The overall pollutant load of wastewater presents satisfactory biodegradability and is well prepared for suitable biological treatment with activated sludge plant.展开更多
文摘Population growth and the industrial production modernization have generated considerable water needs.This consumption has led to a disproportionate discharge of untreated wastewater,directly into receiving environments(Oceans,Rivers,Lakes,Surfaces waters,etc.)and leads to thus promote the spread of waters-borne diseases.The main objective of our present work is the description of the pollutant load of wastewater from the city of Mechraa Belksiri(Kénitra-Morocco),to classify them and identify their composition and their intensity to seek an adequate treatment allowing their subsequent reuse and reducing their dangerousness on their receiving environment Oued Sebou.The analysis of temperature,pH,redox potential,electrical conductivity,dissolved oxygen and salinity are recorded in the field using a portable multiparametric analyzer.The wastewater samples intended for analysis in the laboratory were preserved following the general conservation protocol and handling of samples according to ISO 5667/3.Total Suspended Solids(TSS)are measured by filtration.The analysis of the BOD5 is determined using a BODmeter and the COD,according to DIN 38409-H52.Wastewater from Belksiri town has a pH of 7.2 and an average temperature of 20.5℃ and an electrical conductivity of 3145μs/cm.The average concentration of oxygen is very weak at 0.35 mg/L.Wastewater is loaded with organic matter estimated by Suspended Solid matter(average 446 mg/L),BOD5(280 mg/L)and COD(557 mg/L).The overall pollutant load of wastewater presents satisfactory biodegradability and is well prepared for suitable biological treatment with activated sludge plant.
