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- W2894566350 abstract "The study area located in the two leather industries namely Addis Ababa leather industryand ELICO-Awash Tannery. The Addis Ababa leather industry is located 18 km ofsouth-west of the Addis Ababa city, where as the ELICO-Awash tannery is located to theSouthern part of the city. The two industries were located to the riversides and theirleather processing wastes joins to the water systems. High tannery waste disposal,channeling residual water mixes to the water system.Water samples were collected from three sites of each leather industry for three days andfor three different times a day. Sample collection time was scheduled according to thedischarging time of the tannery process. The level of chromium species (Cr(III) andCr(VI)) were determined using two analytical methods. Total chromium concentration ofthe water samples were determined by FAAS. The concentration of total chromiumvaries significantly at the three different site of each of the two leather industries. Therewas high concentration of chromium at the discharge point of Addis Ababa leatherindustry than that of the Awash tannery. The same trends were also observed for the restof the sites. The level of chromium was also not the same when the result of the samplescollected at different time was observed.The amount of Cr(VI) in the down streams of the two leather industries ranges from0.01ppm to 0.15 ppm, which was not above the permissible level that is allowed to thenatural water." @default.
- W2894566350 created "2018-10-12" @default.
- W2894566350 creator A5077495504 @default.
- W2894566350 date "2006-07-01" @default.
- W2894566350 modified "2023-09-23" @default.
- W2894566350 title "Determination of Chromium (III) and Chromium (VI) In The Tannery Effluents of Awash and Addis Ababa Leather Industries" @default.
- W2894566350 hasPublicationYear "2006" @default.
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