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COD AND NITROGEN REMOVAL FROM FERTILIZER WASTEWATER EFFLUENT BY USING AN ENGINEERED WETLAND

Mohamad Hazli, Mohd Hafiz (2008) COD AND NITROGEN REMOVAL FROM FERTILIZER WASTEWATER EFFLUENT BY USING AN ENGINEERED WETLAND. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This project presents the analysis of the effectiveness of engineered wetland to tmat the effluent from the Wastewater Treatment Plant (WWTP) of Fertilizer Plant. The Chemical Oxygen Demand (COD) level of the fertilizer wastewater effluent is high, ranging from 89 to 200 mg/L with the average of 140 mg/L. This is higher than the specified discharge standard oflOO mg/L. The objective of using this wetland system is to remove nutrients as well as other contaminants. The constructed wetland was planted with Eichhornia crassipes (floating type of plant). The model was found to be able to remove COD to 45 mg/L after 27 days of treatment (meet the discharge standard A). The methodology of this project involves the analysis of Chemical Oxygen Demand (COD), ammonia, nitrate, nitrite and phosphorus. The flow rate for the treatment system is set at 8Liday, and the detention time is about 10 days. The result from this project shows that the wetland system with floating plant (Eichhornia crassipes) is able to remove 47% COD, 78% ammonia, 83% nitrate, 80% nitrite and 81% phosphorus after 27 days of treatment.

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: 30 Sep 2013 16:08
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/7121

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