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MONITORING OF AMMONIA, TOTAL PHOSPHORUS AND NITRATE IN UNIVERSITITEKNOLOGIPETRONAS SEWAGE TREATMENT PLANT

CHE ENGKU ABDUL AZIZ, ENGKU NUR NAZUHA (2007) MONITORING OF AMMONIA, TOTAL PHOSPHORUS AND NITRATE IN UNIVERSITITEKNOLOGIPETRONAS SEWAGE TREATMENT PLANT. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Malaysia does not regulate any standard limit for Total Phosphorus, Ammoniacal Nitrogen and Nitrate yet. The objective of this project is to characterize the concentration of Total Phosphorus, Ammoniacal Nitrogen and Nitrate in the wastewater samples taken at different points in the sewage treatment plant before and after the rectification of the sewage treatment plant. Whenever the sewage treatment plant was closed for system upgrading, the samples were taken at the inlet and outlet of the oxidation pond. Methodologically, the wastewater samples were collected by using grab sample method and auto-sampler device. Continuous experiments and tests were carried out to the wastewater samples to record the concentration of the abovementioned substances. The project was divided into two phases, which are before and after rectification of the sewage treatment plant. Overall, there were no significant improvements observed after the facility had been rectified. This indicated that the rectification works did not help in removing in the abovementioned contaminants. As a conclusion, the concentration of Ammoniacal Nitrogen and Nitrate in the final effluent met the standard limit set by the Environment Protection Agency (EPA). However, the concentration of Total Phosphorus in the final effluent was significantly and constantly high. The existing sewage treatment plant must be upgraded so that it could function to remove or reduce the concentration of Total Phosphorus to the accepted limit. The most cost effective method to remove or reduce ammonia and nitrate in the sewage treatment plant is by establishing nitrification and denitrification process within the system. Thus, design and operating strategies for nitrification and denitrification had been briefly discussed in Chapter 6. The design can be used by the future students to be applied to the current treatment system. Nitrification was achieved twice during the second phase of this project. During nitrification, the removal percentages of Ammoniacal Nitrogen to Nitrate were 87% and 92% respectively. By combining the nitrification results with the other team mates, it was concluded that, nitrification took place when the effluent is equivalent to TSS - 50 mg/L, TCOD = 32 mg/L, SCOD = 18 mg/L, TOC - 18 mg/L and MLSS - 1235 mg/L at 21/03/2007.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Water and environment - Water
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:29
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/7228

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