Improving the quality of petrochemical wastewater via a medium-sized industrial-scale treatment plant

Muhaba, Sitra and Mohd Ridzuan, Darun and Mulubrhan, Freselam and S. Y., Chin (2022) Improving the quality of petrochemical wastewater via a medium-sized industrial-scale treatment plant. In: 11th International Conference on Power Science and Engineering, ICPSE 2022 , 23 - 25 September 2022 , Eskisehir, Turkey. 153 -158.. ISBN 978-166545129-1

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Abstract

This paper aims to investigate the performance of a petrochemical wastewater treatment plant with a daily capacity of 450 m3 of wastewater influent that has an average Chemical Oxygen Demand (COD) concentration of 12021.6 mg/L and pH of 3.02-11.17. The data were registered twice a day at 9:00 am and 9:00 pm and the daily average data was calculated. The wastewater quality data indicated that the COD removal rate during the primary treatment stage was only 50.29%. When the biological treatment was used the COD removal efficiency of the plant increased to 81.78%. The high efficiency of removal was evident in the Upflow Anaerobic Sludge Blanket (UASB) reactors that normally contain high concentrations of solid hydrocarbon; hence the removal of COD is possible even in cases involving highly concentrated influents. Moreover, the average pH of the effluent was 6.8 and the average concentrations of other pollutants such as suspended solids (SS), Oxidation-reduction potential, (ORP), ammonium-nitrogen (NH4−N), and orthophosphate were 217.1 mg/L, 146.85 mV, 4.46 mg/L and 2.88 mg/L, respectively. The results indicate that the construction of a UASB reactor could result in higher removal efficiency of petrochemical wastewater pollutants. However, the effluent from the biological treatment needs further treatment before it can be discharged into the ocean.

Item Type:	Conference or Workshop Item (Lecture)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Biological treatment; COD; Pollutants; UASB reactor; Wastewater
Subjects:	T Technology > TD Environmental technology. Sanitary engineering T Technology > TP Chemical technology
Faculty/Division:	Faculty of Industrial Management Institute of Postgraduate Studies Faculty of Chemical and Process Engineering Technology
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	07 Mar 2023 07:37
Last Modified:	08 Mar 2023 00:52
URI:	http://umpir.ump.edu.my/id/eprint/37205
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