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Title: Spent mushroom compost (SMC) as a source for biogas production in Iran
Authors: Najafi, B
Faizollahzadeh, Ardabili, S
Shamshirband, S
Chau, KW 
Issue Date: 2019
Source: Engineering applications of computational fluid mechanics, 2019, v. 13, no. 1, p. 967-982
Abstract: The first aim of the present study is to investigate the feasibility of the biogas production potential from Spent Mushroom Compost. Hence, its secondary aim is to study the replacement of this energy with the fossil energy source and its impact on the reduction of greenhouse gases emission. The production potential of biogas was evaluated in a laboratory-scale Open Outlet Flow Batch Type Anaerobic digester. Setups of biogas production were set at temperatures of 35°C and 55°C. Results indicate that the cumulative production of biogas at 55°C was more than that at 35°C (364.8 and 314.11 L/kg.VS, respectively). The energy required for 1 ton of spent mushroom compost in one period of production was 204.24–5.35T kW.h/ton. The amount of energy produced in a period of biogas production was calculated to be 277.95 kW.h/ton at 35°C and 322.84 kW.h/ton at 55°C. Results show that the total produced spent mushroom compost of the country is equal to 414,491.7 tons per year. Accordingly, the potential of methane production was calculated to be 8690.8 × 103 m3 per year. It can also reduce 0.02% of the total annual production of CO2 in Iran.
Keywords: Biogas
Biomass resources
Compost
Methane
Mushroom
Sustainable energy
Publisher: Hong Kong Polytechnic University, Department of Civil and Structural Engineering
Journal: Engineering applications of computational fluid mechanics 
ISSN: 1994-2060
EISSN: 1997-003X
DOI: 10.1080/19942060.2019.1658644
Rights: © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of 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.
The following publication Bahman Najafi, Sina Faizollahzadeh Ardabili, Shahaboddin Shamshirband & Kwok-wing Chau (2019) Spent mushroom compost (SMC) as a source for biogas production in Iran, Engineering Applications of Computational Fluid Mechanics, 13:1, 967-982, is available at https://doi.org/10.1080/19942060.2019.1658644
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