Optimization And Characterization Of Carbon Black And Lye Production Using Prosopis Plant

In Ethiopia, rangelands and farming areas within altitudes of 450 m to ~1000 m abovernsea level are being invaded by Prosopis Juliflora plant. Because of its abundance andrngovernment plan to eradicate through utilization, prosopis plant is used as an input forrnCarbon Black and Lye production. Carbon black is a black powder made by burningrnhydrocarbon in a limiting supply of air and it is used in the manufacture of automotiverntires, color printing ink, painting etc. Lye is a liquid obtained by leaching ash and used inrnfertilizers, alkaline batteries, dyes etc. Hence the carbon black and lye productionrnoptimization, its yield characterization and determination is investigated, material andrnenergy balance is calculated and its production feasibility is studied. Before thernexperiment, the prosopis plant is collected, dried and crushed in small size 10nm. Thernpyrolysis method is applied for CB production and optimum result is obtained at 500°crnand 1hr whereas white ash is mixed with water and filtration method is applied, andrnoptimum lye concentration with 14.50 pH value is obtained at a temperature 85°c for 24rnhr. The feasibility study conducted for CB and Lye production using prosopis plantrnindicated that its cost effectiveness. The overall result of this study shown the highlyrninvasion of prosopis plants in the country and worldwide guaranteed its abundance forrnsmall scale production.

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