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dc.contributor.authorMsomphora, Mbachi Ruth
dc.date.accessioned2017-03-29T13:39:44Z
dc.date.available2017-03-29T13:39:44Z
dc.date.issued2000
dc.description.abstractA study was carried out in Dwangwa area of Nkhotakota d i str i ct in Malawi to determine the effect of ethanol distillery effluent from the Ethanol Company on the water quality of the receiving waters of Lake Malawi. Water samples were collected from six sites located along Dwangwa River , in the effluent ponds and in the lake at week intervals for 8 weeks. The samples were analysed for BOD, COD, DO, pH, alkalinity, acidity, turbidity, a mm onia, nitrate, phosphorous, potassium, calcium and chlorophyll. Concentration levels of pollutants, BOD, COD, DO and alkalinity generally decreased from the source downstream to the lake with a few exceptions. This was attributed to the dilution factor and evaporation of some components. Concentration levels in the receiving waters were found to be within the tolerable limits except for ammonia. On average the levels of DO, BOD, pH, Chlorophyll, Nitrate, Phosphorous and Ammonia were 6.24 ppm, 30.54 mg/l, 7.48, 5 . 05 ppm, 0.29 ppm, 0.22 ppm and 2.1 ppm respectively. The levels detected for ammonia were generally ranging between the suggested toxic concentration of 0.6 and 2 mg/l, for most of the species in water (Smith and Piper, 1975). However, concentration of pollutants in the effluent was found to be higher than the acceptable limits. It was therefore concluded that the ethanol effluent from the factory was potentially hazardous to the aquatic life in the receiving watersen_US
dc.description.sponsorship<br>UNIMA.</br> <br>ICIDA.</br>en_US
dc.identifier.citationMsomphora MR. Effect of ethanol distillery effluent on the water quality of the receiving waters of Lake Malawi during the rainy season. Senior Research Report submited to The University of Malawi, Bunda College of Agriculture. In UiT repository, MUNIN; 2000. 33 p.en_US
dc.identifier.cristinIDFRIDAID 1458332
dc.identifier.urihttps://hdl.handle.net/10037/10893
dc.language.isoengen_US
dc.publisherUniversity of Malawi, Bunda College of Agriculture.en_US
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Landbruks- og Fiskerifag: 900en_US
dc.subjectWater qualityen_US
dc.subjectEthanolen_US
dc.subjectEffluenten_US
dc.subjectEnvironmenten_US
dc.subjectAquatic lifeen_US
dc.subjectLake Malawien_US
dc.subjectDwangwa riveren_US
dc.subjectConcentration levels of pollutantsen_US
dc.subjectBODen_US
dc.subjectCODen_US
dc.subjectDOen_US
dc.subjectpHen_US
dc.subjectAlkalinityen_US
dc.subjectAcidityen_US
dc.subjectTurbidityen_US
dc.subjectAmmoniaen_US
dc.subjectNitrateen_US
dc.subjectPhosphorousen_US
dc.subjectPotassiumen_US
dc.subjectCalciumen_US
dc.subjectChlorophyllen_US
dc.subjectVDP::Matematikk og Naturvitenskap: 400::Kjemi: 440::Miljøkjemi, naturmiljøkjemi: 446en_US
dc.titleEffect of ethanol distillery effluent on the water quality of the receiving waters of Lake Malawi during the rainy seasonen_US
dc.typeResearch reporten_US
dc.typeForskningsrapporten_US


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