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Anaerobic co-digestion of pineapple wastes with cow dung: effect of different total solid content on bio-methane yield


Citation

Aili Hamzah, Adila Fazliyana and Hamzah, Muhammad Hazwan and Ahmad Mazlan, Fauzan Najmi and Che Man, Hasfalina and Jamali, Nur Syakina and Siajam, Shamsul Izhar (2020) Anaerobic co-digestion of pineapple wastes with cow dung: effect of different total solid content on bio-methane yield. Advances in Agricultural and Food Research Journal, 1 (1). pp. 1-12. ISSN 2735-1084

Abstract

The abundance of agricultural wastes produced from pineapple processing and livestock industries has resulted in the difficulties of disposing of a large amount of waste. Anaerobic digestion is a way to reduce waste and generate renewable energy sources including biogas. In this study, pineapple waste is co-digested with cow dung in batch experiments under mesophilic temperature at 38±1°C at a working volume of 100 ml in 125 ml serum bottle. The effects of the total solid on methane yields are investigated at a different substrate ratio. The batch study is conducted at 3 different total solid which are 12%, 20% and 28% and at three different substrate ratio cow dung to pineapple waste (CD: PW) (1:1, 1:2 and 1:3). Daily biogas collection for 28% total solid at 1:1 ratio results in the highest cumulative biogas production of 313 ml, followed by 28% total solid at 1:3 ratio with 246 ml biogas yield. The highest methane yield is achieved at 12% total solid with a 1:2 ratio (17.19 CH4/g VS). Results show that at 12% total solid produces the highest methane yield at all ratios compared to other total solid percentages. Moreover, methane yield decreases as the total solid percentage increases from 12% to 28%. Overall, the production of methane from pineapple wastes co-digested with cow dung is proven to be a good strategy to minimise solid wastes.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.36877/aafrj.a0000109
Publisher: HH Publisher
Keywords: Biogas; Co-digestion; Cow dung; Methane; Pineapple; Total solid
Depositing User: Ms. Nuraida Ibrahim
Date Deposited: 15 Jun 2022 04:44
Last Modified: 15 Jun 2022 04:44
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.36877/aafrj.a0000109
URI: http://psasir.upm.edu.my/id/eprint/87848
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