Comparison between ambient, mesophilic and thermophilic upflow anaerobic sludge blanket (UASB) reactors treating chicken slaugterhouse wastewater.

Wan Tajudin Shah, Wan Nur Akalili (2017) Comparison between ambient, mesophilic and thermophilic upflow anaerobic sludge blanket (UASB) reactors treating chicken slaugterhouse wastewater. [Project Paper] (Submitted)

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Abstract

The purpose of this study is to determine the effectiveness of chicken slaughterhouse wastewater for biogas potential evaluation treated in anaerobic reactor. This experiment was employed using Upflow Anaerobic Sludge Blanket (UASB) reactor and controlled under ambient and mesophilic condition at temperature 28°C and 38°C respectively. The reactor performances were analyzed by measurements of the parameters such as pH and alkalinity, organic loading rate (OLR), chemical oxygen demand (COD) removal, and total ammonia nitrogen (TAN) which runs on chicken slaughterhouse wastewater towards anaerobic digestion and biogas production. The microorganisms used in this study were obtained from Universiti Putra Malaysia Sewage Treatment Plant. In this study, the microorganisms can adapt in mesophilic and ambient condition in a very brief period when using CSWW. This is proven when the acclimatization period takes less than 5 days compared to when using domestic wastewater (DWW) which takes 10 days to adapt. On third day after using CSWW, the chemical oxygen demand (COD) removed was able to achieve 90%. This shows that CSWW is more biodegradable compared to DWW. The stability of the reactor also was easily achieved. The effluent produced have an average pH of 6.57 with total alkalinity 0.25 which is less than 0.3 shows that the reactor is stable and good anaerobic digestion process. The value of TAN COD removal and methane production are highly affected each other. This is proven when the lowest value of TAN obtained from SWW produces 31.3 mg/L produces 84.0% of COD removal and 0.2912 L of methane in mesophilic temperature. Meanwhile, when using CSWW the lowest TAN value obtained was 15.17 mg/L that produces highest COD removal which is 99.0% with highest production of methane of 0.0182 L. This shows that, lower value of TAN will produce high COD removal hence higher methane production. Thus, this study implies that anaerobic digestion performs better in mesophilic condition compared to ambient and thermophilic.

Item Type:	Project Paper
Faculty:	Faculty of Engineering
Depositing User:	Ms Siti Mariam Giman
Date Deposited:	29 Oct 2024 05:09
Last Modified:	08 Nov 2024 07:12
URI:	http://psaspb.upm.edu.my/id/eprint/2123

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