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COMBINED ASBR AND ADSORBENT FOR BIOLOGICAL TREATMENT OF DILUTED POME

JAMHARI, SITI HAFIFAH (2011) COMBINED ASBR AND ADSORBENT FOR BIOLOGICAL TREATMENT OF DILUTED POME. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Palm Oil Mill Eftluent (POME) and Empty Fruit Bunches (EFB) are two most abundant wastes produced in a palm oil mill. However, current method of treatment ofPOME and composting of EFB are insufficient in promoting an environmental friendly strategy for future sustainability. POME is believed to be one of the major contributors towards river pollution in Malaysia due to its high strength constituents. The EFB on the other hand, has also becomes an issue regarding the massive solid wastes production that causes insufficient amount of landfill for its disposal. Therefore, it is very crucial to find other solution to cater these issues effectively. This study will determine the COD removal of the ASBR, ASBR+PAC and ASBR+EFB combined system in treating diluted POME. It will also determine the potential ofEFB to function as adsorbent in the ASBR combined system. Three conical flasks; Rl, R2 and R3 with working volume of 1.0 L are filled with 700 mL of sludge and 300 mL of POME. They are operated under ASBR condition. R1 is as the control condition; operated without any addition of PAC or EFB. R2 is added with 3 giL dose of commercial PAC while R3 will be added with 3g/L of EFB. The three ASBRs are operated with Cycle Time (CT) of 6 hours; 4 cycles per day with Hydraulic Retention Time (HRT) of 24 hours. The Cycle Time consists of feeding (15 minutes), reacting (255 minutes), settling (60 minutes), decanting (15 minutes) and idling (15 minutes) phase. All three reactors have similar Organic Loading Rate (OLR) of 1.608 kg COD/m3/day in order to compare the treatment efficiency of all three conditions. The three reactors are operated under room temperature with the pH maintained between pH of6 to 8. The initial Food to Microorganism Ratio (FIM) is 0.1. From the experiments, Rl (ASBR) manages to obtain highest total COD removal efficiency of 91.4% at day 41 while R2 (ASBR+PAC) managed to achieve up to 95.1% removal for the same day. The highest COD removal efficiency for R3 (ASBR+EFB) however is slightly lower at 85.8% in day 29. This study proves that EFB alone cannot contribute towards better wastewater constituent adsorption.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Water and environment - Environmental - Solid waste
Subject: T Technology > T Technology (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 06 Nov 2013 12:07
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/10194

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