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USE OF RECYCLE FERRIC CHLORIDE EXTRACTED FROM GROUNDWATER TREATMENT PLANT SLUDGE IN THICKENING OF MUNICIPAL SLUDGE AND TREATMENT OF LEACHATE.

Abd Hamid, Alia Hafiza (2008) USE OF RECYCLE FERRIC CHLORIDE EXTRACTED FROM GROUNDWATER TREATMENT PLANT SLUDGE IN THICKENING OF MUNICIPAL SLUDGE AND TREATMENT OF LEACHATE. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This study investigated the effectiveness ofa coagulant, Recycled Ferric Chloride (RFC) for reused in thickening the municipal sludge and treating landfill leachate. The RFC is generated from sludge produced from a groundwater treatment plant through a digestion process. The study had been divided into two (2) phase. For both phases ofthe study, jar tests were conducted for the treatment process. In the jar test, coagulants such as alum, ferric chloride, ferrous sulphate and RFC were evaluated. In the first phase of the experimental study, jar tests were conducted on sludge obtained from a wastewater treatment plant. Settleability tests were conducted in the thickening process. The supernatant were then measured for chemical oxygen demand (COD), colour, and total suspended solids (TSS). Tests were conducted intriplicates. The raw sludge settling rate was found to be 2.4 cm/min. The optimum settling rates for alum, ferric chloride, ferrous sulphate and RFC was found to be 3.13 cm/min, 1.86 cin/min, 2.5 cm/min and 4.5 cm/min. RFC improved the settling rate by 88% and also removed colour, COD and TSS at 42%, 54% and 88%, respectively at the optimum settleability dosage. For the second phase ofthe experimental study, the jar tests were conducted on leachate obtained from Pulau Burung Landfill Site. The supernatant were then measured for chemical oxygen demand (COD), colour, and total suspended solids (TSS). RFC improved the colour and COD removed at 64% and 60% respectively at the optimum dosages. However further research need to be done on the suspended solid removal since the result shows that the suspended solid is increasing after the treatment process. RFC managed to remove the suspended solid for 32% at the optimum dosage.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Water and environment - Environmental - Wastewater treatment
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 07 Nov 2013 12:23
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/10273

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