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Chocolate Processing Wastewater

Ida Nurhidaya A. Aziz, Ida Nurhidaya (2009) Chocolate Processing Wastewater. Universiti Teknologi Petronas, Sri Iskandar,Tronoh,Petronas. (Unpublished)

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Abstract

study was conducted to treat the partially chocolate processing wastewater treatment plant using coagulation-flocculation process as a treatment method. The objective of this study is to determine suitable coagulant and flocculant for sludge removal in chemical treatment and to develop a treatment system that can effectively reduce the concentration of colloidal particles in chocolate processing wastewater treatment plant that can greatly reduce the cost of treatment and improve the subsequent steps of treatment (A. Koohestanian, 2008). Jar test experiments were employed in order to determine the optimum chemical and physical variables including coagulant dose, pH and speed of rapid mixing. Three coagulants were tested in this project : Aluminium Sulphate, Ferric Chloride and Ferric Sulfate. Also for the flocculant, two chemicals were tested: Poly Aluminium Chloride (PAC) and Poly(acrylamide) .Efficiency of coagulants and flocculants were examined to compare the effectiveness. The optimum condition was applied to determine the chemical oxygen demand (COD) and turbidity using coagulants and flocculants. 85-98% reduction of turbidity from raw water can be achieved by using the optimum coagulant/flocculant dosage, in the optimum PH range and rapid mixing (A. Koohestanian, 2008). Higher dosages did not significantly increase pollutant removal and were not economical

Item Type: Final Year Project
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 5 not found.
Date Deposited: 11 Jan 2012 12:24
Last Modified: 25 Jan 2017 09:44
URI: http://utpedia.utp.edu.my/id/eprint/818

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