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Influence of Unlike Proportions of Preliminary and Activated Sludge on Methane Generation During Anaerobic Co-digestion

The aim of this study was to look into methane generation using different amounts of initial sludge (IS) and activated sludge (AS) for anaerobic transformation. To compare the best combination in analysis with a benchmark combination, C0, three experimental ratios (IS: AS) (v/v) were used: C1 (60: 40), C2 (80: 20), and C3 (100: 00). (40: 60). Anaerobic digestion was carried out at 37°C in mesophilic conditions with a 12 day HRT and a loading rate of 1.63 0.06 kg TVS/m3 day. In comparison to C0, biogas generation for ratios C1 and C2 increased from 25% to 38%. The maximum amount generated by combination C3, which was 52.44 percent more than that of C0, showed a clear improvement in specific methane generation. C1, which involves using less initial sludge and increasing activated sludge condensing, is the most realistic combination to use on a large scale. IS has a C/N proportion that is 2 times more than AS because of the higher organic compounds in IS. The obtained proportion of IS that ought to be added to AS to achieve the greatest methane production were 60 and 80% (combination C1 and C2), separately than the reference conditions, C0. Nevertheless, the influent ought to be deliberately arranged with a gradual increment to the ideal influent proportion to acclimatization of the microorganisms and avoid over-loading. 3.72 years are found to be the time needed to recover expenses.

Methane, Anaerobic Co-digestion, IS: AS Ratio, Sludge

APA Style

Md. Nurul Islam Siddique, Mohd Zamri Bin Ibrahim, Mohd Mokhlesur Rahman. (2021). Influence of Unlike Proportions of Preliminary and Activated Sludge on Methane Generation During Anaerobic Co-digestion. American Journal of Quantum Chemistry and Molecular Spectroscopy, 5(1), 10-15. https://doi.org/10.11648/j.ajqcms.20210501.12

ACS Style

Md. Nurul Islam Siddique; Mohd Zamri Bin Ibrahim; Mohd Mokhlesur Rahman. Influence of Unlike Proportions of Preliminary and Activated Sludge on Methane Generation During Anaerobic Co-digestion. Am. J. Quantum Chem. Mol. Spectrosc. 2021, 5(1), 10-15. doi: 10.11648/j.ajqcms.20210501.12

AMA Style

Md. Nurul Islam Siddique, Mohd Zamri Bin Ibrahim, Mohd Mokhlesur Rahman. Influence of Unlike Proportions of Preliminary and Activated Sludge on Methane Generation During Anaerobic Co-digestion. Am J Quantum Chem Mol Spectrosc. 2021;5(1):10-15. doi: 10.11648/j.ajqcms.20210501.12

Copyright © 2021 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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