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Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes

Large number of solid wastes is produced from ethanol and wine plants sourcing from grain and inedible plant wastes, for example, WDGS (wet distiller’s grain with soluble) and DDGS (dry distiller’s grain with soluble) produced from ethanol plants using corn. This study investigates alternative metho...

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Autores principales: Lee, May-Suan, Hoadley, Andrew, Patel, Jim, Lim, Seng, Kozielski, Karen, Li, Chao’en
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9383684/
https://www.ncbi.nlm.nih.gov/pubmed/35992629
http://dx.doi.org/10.1007/s12155-022-10501-6
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author Lee, May-Suan
Hoadley, Andrew
Patel, Jim
Lim, Seng
Kozielski, Karen
Li, Chao’en
author_facet Lee, May-Suan
Hoadley, Andrew
Patel, Jim
Lim, Seng
Kozielski, Karen
Li, Chao’en
author_sort Lee, May-Suan
collection PubMed
description Large number of solid wastes is produced from ethanol and wine plants sourcing from grain and inedible plant wastes, for example, WDGS (wet distiller’s grain with soluble) and DDGS (dry distiller’s grain with soluble) produced from ethanol plants using corn. This study investigates alternative methods for using these co-products through combustion and anaerobic digestion. Process simulation and economic analysis were conducted using current market prices to evaluate the viability of the processes. Products in the form of energy are produced. Optimization of the corn ethanol plant was also explored for re-using the heat and electricity produced in those processes. These processes will supply more viable options to utilisation of those wastes. The anaerobic digestion of WDGS to produce electricity scenario was found to have the biggest profit among the four scenarios which can bring the annual income of 14.1 million Australian dollar to the ethanol plant. An environmental analysis of the CO(2) emissions was also conducted. Using the Australian state emission factor, the amount of CO(2) offset through both combustion and anaerobic digestion can be seen. The anaerobic digestion of WDGS to supply heat to the plant was proved having the largest CO(2) abatement with the value of 0.58 kg-CO(2)e/L-EtOH. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s12155-022-10501-6.
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spelling pubmed-93836842022-08-17 Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes Lee, May-Suan Hoadley, Andrew Patel, Jim Lim, Seng Kozielski, Karen Li, Chao’en Bioenergy Res Article Large number of solid wastes is produced from ethanol and wine plants sourcing from grain and inedible plant wastes, for example, WDGS (wet distiller’s grain with soluble) and DDGS (dry distiller’s grain with soluble) produced from ethanol plants using corn. This study investigates alternative methods for using these co-products through combustion and anaerobic digestion. Process simulation and economic analysis were conducted using current market prices to evaluate the viability of the processes. Products in the form of energy are produced. Optimization of the corn ethanol plant was also explored for re-using the heat and electricity produced in those processes. These processes will supply more viable options to utilisation of those wastes. The anaerobic digestion of WDGS to produce electricity scenario was found to have the biggest profit among the four scenarios which can bring the annual income of 14.1 million Australian dollar to the ethanol plant. An environmental analysis of the CO(2) emissions was also conducted. Using the Australian state emission factor, the amount of CO(2) offset through both combustion and anaerobic digestion can be seen. The anaerobic digestion of WDGS to supply heat to the plant was proved having the largest CO(2) abatement with the value of 0.58 kg-CO(2)e/L-EtOH. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s12155-022-10501-6. Springer US 2022-08-17 2023 /pmc/articles/PMC9383684/ /pubmed/35992629 http://dx.doi.org/10.1007/s12155-022-10501-6 Text en © Crown 2022 This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.
spellingShingle Article
Lee, May-Suan
Hoadley, Andrew
Patel, Jim
Lim, Seng
Kozielski, Karen
Li, Chao’en
Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes
title Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes
title_full Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes
title_fullStr Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes
title_full_unstemmed Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes
title_short Techno-Economic Analysis for Direct Processing of Wet Solid Residues Originated from Grain and Inedible Plant Wastes
title_sort techno-economic analysis for direct processing of wet solid residues originated from grain and inedible plant wastes
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9383684/
https://www.ncbi.nlm.nih.gov/pubmed/35992629
http://dx.doi.org/10.1007/s12155-022-10501-6
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