University of Khartoum

Quality Assessment of Nile Water Treated with Moringa Oleifera , Ocimum basilicum and Aluminium sulphate

Quality Assessment of Nile Water Treated with Moringa Oleifera , Ocimum basilicum and Aluminium sulphate

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Title: Quality Assessment of Nile Water Treated with Moringa Oleifera , Ocimum basilicum and Aluminium sulphate
Author: Saleh, Esra Mrgany Mousa
Abstract: This study was carried out to investigate the effect of adding different doses of MoringaOleiferaseedspowder, Ocimumbasilicumseeds and leaves andAluminiumsulphate (Alum) on the Nile water quality.Twelve samples of water were collected from the Nile River at Almarsa, and one sample of tap waterwas obtained fromShambat. MoringaOleiferaseeds,Basil seedsand Alum were obtained from thelocal market of Khartoum North,while Basil leaves were collectedfrom HelatHamadfarming.The doses used from MoringaOleifera seedswere 0.5,1,2 and 3 gm/Lwhile forBasil seeds and leaves were 1, 3, 6 and 9 gm/L, whereas for Alum the doses were 1,5,10 and 15gm/L,then every dose was added to one liter of Nile water.Thetreated anduntreated samples after twelve hourswere subjected to physical, chemical and microbiological examinations. The physical examinations included the PH value, turbidity and electrical conductivity, while the chemicalexaminationswere total dissolved solids, calcium, total hardness, chloride, phosphorus, sodium, potassium, magnesium and carbonate contents. The microbiological examinationswere total viable count of bacteria,total Coliformgroups and Escherichia coli.All the data subjected to statistical analysis (SAS). The results showed that the turbidity level of tap water (4Nephelometric Turbidity Unite) was within the acceptable level of SudaneseStandard and metrology organization(5NTU) and higher than WHO Standard (0.0 NTU). Alum decreased the turbidity from 25.03to 1.2 NTUwhich is within the acceptable level according to SSMOwhile there wasa slight decrease in the samples treated with0.5 and 1.0gm/LMoringaoleiferaseeds powder from 25.03 to 20.7 NTU and increasedfrom 25.3 to 50 NTUwhen Basil seedsand leaves were added.The levels of physical and chemical parameters were increased with increasingMoringaoleiferaseeds powder doses from 0.5 to 3 gm/L,Basil seeds and leaves from 1 to 9 gm/L and Alum from 1 to 15 gm/L,respectively, whilea decrease was noticed in sodium from 0.41 to 0.18 mg/L in all samples treated withMoringaoleifera seeds powderand from 0.41 to 0.24 mg/L in all samples treated with Basil seeds and leaves. Adecrease in phosphoruslevel from 0.49 to 0.06 mg/Land total dissolved solidslevel from 124.5 to 0.56mg/L wasin all samples treated with Alum.Whereas a decrease in pH in all treated samples was obtained.All these valueswere within the acceptable level of WHOand SSMO standards, except magnesium in the sample treated with 15gm Alum/L, chloride in samples treated with 10 and 15 gm Alum/L and pH in all the samples. When Moringaoleifera seeds powder was usedThere was significant decrease (P≤0.05) in the total viable count of Bacteria (cfu/ml)from 3.9 to 0.0log10, Coliform groups(MPN/ml)from 23.6 to 0.0and Escherichia coli (MPN/ml)from 14.6 to 0.0.When Basil leaves and seeds were added,the total viable count of Bacteria(cfu/ml) decreased from 3.9 to 3.55 log10, Coliform groups(MPN/ml) from 23.6 to 10.6 and Escherichia coli(MPN/ml)from 14.6 to 3.3 while Alum killed completely all the microorganisms at all doses except when 1gm was added killed Escherichia colionly.The study revealed that using Moringaoleifera seeds powder at 0.5 and 1gm/L reduced water turbidityand reduced the microbial content to zero at 3gm/L, while using Alum removed water turbidity and microbial content completely,whereas Basil seeds and leaves increased the turbidity and reduced the microbial content to a large extent. It’s recommended to use crushed Moringaoleifera seeds in the dose 3gm/L water to remove the turbidity and microbial content.
Description: 115 Pages
URI: http://khartoumspace.uofk.edu/123456789/26068


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