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BOD Reduction of Grey Water by utilizing Sequencing Batch Reactor (SBR)

Chan, Phai Lin (2005) BOD Reduction of Grey Water by utilizing Sequencing Batch Reactor (SBR). Universiti Teknologi Petronas. (Unpublished)

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Abstract

Presently, Universiti Teknologi PETRONAS (UTP) obtains water supply from the treatment plant in Parit, Perak. All the wastewater produced in the student village is sent to the university treatment plant. To save cost on water supply, better quahty of wastewater like grey water can be treated and reused for toilet flushing purposes. This project is done to study on the grey water treatment which mainly focuses on the process for BOD removal only. The BOD treatment facility must be incorporated in order to meet the water reuse for toilet flushing standard to ensure safe usage. The standard BOD level taken from NSW Health Department's Publication for toilet flushing is 20 mg/L. Grey water samples are taken from sumps which are located at the ground floor of student village. BOD5 and COD test analysis was conducted to study the relationship between BOD5 and COD. COD:BOD5 ratio is 2.5. Sequencing Batch Reactor (SBR) was set up to study the parameter used for the BOD treatment. SBR cycle consists of 5 phases: FELL, REACT, SETTLE, DECANT and IDLE. The optimum react time for the treatment is obtained in this research project with the reaction time of 3 hours is required to remove 65% of influent COD. Besides, this literature reviews on the alternative ways ofBODreduction of greywater are included: Multistage Rotary Biological Contractor (RBC), Membrane Bioreactor (MBR), and Biologically Aerated Filter (BAF).

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/7606

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