Co-digestion of domestic kitchen food waste and palm oil mill effluent for biohydrogen production

Mishra, Puranjan and Hai, Tao and Jasni, Mohamad Zain and Saini, Karuna and Manoj Kumar, Nallapaneni and Zularisam, Abdul Wahid (2023) Co-digestion of domestic kitchen food waste and palm oil mill effluent for biohydrogen production. Sustainable Energy Technologies and Assessments, 55 (102965). pp. 1-5. ISSN 2213-1388. (Published)

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Abstract

Biohydrogen production from organic waste not only provides a sustainable way to produce biofuel but it also resolves the growing environmental concerns associated with agro-industrial waste. This research study investigated the biological hydrogen production potential in batch mode through co-digestion of domestic kitchen food waste (DKFW) and palm oil mill effluent (POME) under mesophilic conditions by immobilized Bacillus anthracis bacterial strain. The results showed that hydrogen production from co-digestion of DKFW and POME with an equal proportion of the combination is pH and temperature-dependent. Where, the elevated pH from 4.0 to 5.0 increases hydrogen production significantly; however, increasing the pH > 5.0 reduces productivity. Similarly, by raising the operating temperature from 25 °C to 35 °C the hydrogen production rate (HPR) increases up to 67 mL/h. Apart from hydrogen production, a reduction in chemical oxygen demand (COD) was observed by up to 72 % in this study. The improvement observed for HPR and a significant reduction in COD, suggests that the co-digestion of POME and DKFW is an ideal substrate for hydrogen production at operational temperatures and initial pH of 35 °C and 5.0, respectively. The strategy for utilizing the different organic waste together as a substrate provides a new avenue for the complex substrate for bioenergy production.

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Bacillus anthracis; Biohydrogen; Co-digestion; Domestic kitchen food waste; Palm oil mill effluent wastewater
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division:	College of Engineering Faculty of Civil Engineering Technology
Depositing User:	Mr Muhamad Firdaus Janih@Jaini
Date Deposited:	24 Aug 2023 07:50
Last Modified:	24 Aug 2023 07:50
URI:	http://umpir.ump.edu.my/id/eprint/38399
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