(Artikel) The Innovation of Tofu Waste Liquid Biogas Reactor Technology as an Alternative Energy Resource

Nely Ana Mufarida, Nely and Asroful Abidin, Asroful (2021) (Artikel) The Innovation of Tofu Waste Liquid Biogas Reactor Technology as an Alternative Energy Resource. Universitas Diponegoro.

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Abstract

Increased production capacity of the tofu factory has an impact on increasing waste. Tofu liquid waste is one of the untapped
wastes and is even just thrown away. Besides, the tofu industry needs water for its processing, so more wastewater produces more than tofu
solid waste. Wastewater from the making tofu process produces liquid waste which is a source of pollution for humans and the environment
that will disrupt the ecosystem and environmental health. The right process for handling tofu wastewater is by an anaerobic process that
converts the liquid waste fermented by bacteria into methane gas. This methane gas can be used as a new energy resource and this energy
can be used for cooking or frying tofu. The results of the research are from 500 liters of tofu liquid waste treated, 149.6 liters of biogas were
obtained in 21 days. It increased the quality of biogas as seen from the increase in CH4 levels by 70%, temperature in the digester by 32˚C,
volume in 149.6 liters, and decreasing H2S levels by 9 ppm, CO by 13 ppm, O2 by 15.1%. Based on the test results, the maximum fermentation
time is 21 days.

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Item Type:	Peer Review
Keywords/Kata Kunci:	renewable energy, design, tofu liquid waste, digester, biogas
Subjects:	600 Technology and Applied Science
Divisions:	Faculty of Engineering > Department of Mechanical Engineering (S1)
Depositing User:	Nely Ana Mufarida | nelyana@unmuhjember.ac.id
Date Deposited:	20 Aug 2021 03:44
Last Modified:	27 Sep 2021 04:17
URI:	http://repository.unmuhjember.ac.id/id/eprint/11804

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