Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool

Abstract India produces huge quantities of agricultural residues and stubbles and mainly disposed by burning on site causing air pollution. The organic matter present in the residues and stubble may be utilized by anaerobic digestion as a source of renewable energy subsequently reducing emission of...

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Autores principales:	Kunwar Paritosh, Nidhi Pareek, Aakash Chawade, Vivekanand Vivekanand
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/953e13288e4b458794c9e924bacd09e7
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spelling	oai:doaj.org-article:953e13288e4b458794c9e924bacd09e72021-12-02T15:09:21ZPrioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool10.1038/s41598-019-48437-12045-2322https://doaj.org/article/953e13288e4b458794c9e924bacd09e72019-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-48437-1https://doaj.org/toc/2045-2322Abstract India produces huge quantities of agricultural residues and stubbles and mainly disposed by burning on site causing air pollution. The organic matter present in the residues and stubble may be utilized by anaerobic digestion as a source of renewable energy subsequently reducing emission of greenhouse gases caused by burning. In the present study, solid state anaerobic digestion (SSAD) of pearl millet straw was investigated at mesophilic and thermophilic temperature with four different total solid (TS) content (15, 20, 25 and 30%). Results showed that 20 and 25% TS generated maximum methane (124.1 ± 7 and 162.4 ± 9L/kg VS) at mesophilic and thermophilic temperature respectively. However, increasing TS content beyond 25% did not show significant increment on methane yield. Analytical analysis showed correlation between the reduction of volatile solids and methane yield as well as VFA (volatile fatty acid) accumulation at high TS content. Also, VlseKriterijuska Optimizacija Komoromisno Resenje (VIKOR) and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) methods as MultiCriteria Decision Making modelling (MCDM) applied to select best possible alternative for SSAD of pearl millet. MCDM analysis showed that VIKOR method endorsed the experimental results.Kunwar ParitoshNidhi PareekAakash ChawadeVivekanand VivekanandNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-11 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kunwar Paritosh Nidhi Pareek Aakash Chawade Vivekanand Vivekanand Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool
description	Abstract India produces huge quantities of agricultural residues and stubbles and mainly disposed by burning on site causing air pollution. The organic matter present in the residues and stubble may be utilized by anaerobic digestion as a source of renewable energy subsequently reducing emission of greenhouse gases caused by burning. In the present study, solid state anaerobic digestion (SSAD) of pearl millet straw was investigated at mesophilic and thermophilic temperature with four different total solid (TS) content (15, 20, 25 and 30%). Results showed that 20 and 25% TS generated maximum methane (124.1 ± 7 and 162.4 ± 9L/kg VS) at mesophilic and thermophilic temperature respectively. However, increasing TS content beyond 25% did not show significant increment on methane yield. Analytical analysis showed correlation between the reduction of volatile solids and methane yield as well as VFA (volatile fatty acid) accumulation at high TS content. Also, VlseKriterijuska Optimizacija Komoromisno Resenje (VIKOR) and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) methods as MultiCriteria Decision Making modelling (MCDM) applied to select best possible alternative for SSAD of pearl millet. MCDM analysis showed that VIKOR method endorsed the experimental results.
format	article
author	Kunwar Paritosh Nidhi Pareek Aakash Chawade Vivekanand Vivekanand
author_facet	Kunwar Paritosh Nidhi Pareek Aakash Chawade Vivekanand Vivekanand
author_sort	Kunwar Paritosh
title	Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool
title_short	Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool
title_full	Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool
title_fullStr	Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool
title_full_unstemmed	Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool
title_sort	prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/953e13288e4b458794c9e924bacd09e7
work_keys_str_mv	AT kunwarparitosh prioritizationofsolidconcentrationandtemperatureforsolidstateanaerobicdigestionofpearlmilletstrawemployingmulticriteriaassessmenttool AT nidhipareek prioritizationofsolidconcentrationandtemperatureforsolidstateanaerobicdigestionofpearlmilletstrawemployingmulticriteriaassessmenttool AT aakashchawade prioritizationofsolidconcentrationandtemperatureforsolidstateanaerobicdigestionofpearlmilletstrawemployingmulticriteriaassessmenttool AT vivekanandvivekanand prioritizationofsolidconcentrationandtemperatureforsolidstateanaerobicdigestionofpearlmilletstrawemployingmulticriteriaassessmenttool
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Prioritization of solid concentration and temperature for solid state anaerobic digestion of pearl millet straw employing multi-criteria assessment tool

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