Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process

Abstract Industrial development and increased energy requirements have led to high consumption of fossil fuels. Thus, environmental pollution has become a profound problem. Every year, a large amount of agro-industrial, municipal and forest residues are treated as waste, but they can be recovered an...

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Autores principales:	A. Colantoni, E. Paris, L. Bianchini, S. Ferri, V. Marcantonio, M. Carnevale, A. Palma, V. Civitarese, F. Gallucci
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/66d773b4bcd34789a69b7e6ca056ab39
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spelling	oai:doaj.org-article:66d773b4bcd34789a69b7e6ca056ab392021-12-02T13:20:03ZSpent coffee ground characterization, pelletization test and emissions assessment in the combustion process10.1038/s41598-021-84772-y2045-2322https://doaj.org/article/66d773b4bcd34789a69b7e6ca056ab392021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84772-yhttps://doaj.org/toc/2045-2322Abstract Industrial development and increased energy requirements have led to high consumption of fossil fuels. Thus, environmental pollution has become a profound problem. Every year, a large amount of agro-industrial, municipal and forest residues are treated as waste, but they can be recovered and used to produce thermal and electrical energy through biological or thermochemical conversion processes. Among the main types of agro-industrial waste, soluble coffee residues represent a significant quantity all over the world. Silver skin and spent coffee grounds (SCG) are the main residues of the coffee industry. The many organic compounds contained in coffee residues suggest that their recovery and use could be very beneficial. Indeed, thanks to their composition, they can be used in the production of biodiesel, as a source of sugar, as a precursor for the creation of active carbon or as a sorbent for the removal of metals. After a careful evaluation of the possible uses of coffee grounds, the aim of this research was to show a broad characterization of coffee waste for energy purposes through physical and chemical analyses that highlight the most significant quality indexes, the interactions between them and the quantification of their importance. Results identify important tools for the qualification and quantification of the effects of coffee waste properties on energy production processes. They show that (SCG) are an excellent raw material as biomass, with excellent values in terms of calorific value and low ash content, allowing the production of 98% coffee pellets that are highly suitable for use in thermal conversion systems. Combustion tests were also carried out in an 80kWth boiler and the resulting emissions without any type of abatement filter were characterized.A. ColantoniE. ParisL. BianchiniS. FerriV. MarcantonioM. CarnevaleA. PalmaV. CivitareseF. GallucciNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q A. Colantoni E. Paris L. Bianchini S. Ferri V. Marcantonio M. Carnevale A. Palma V. Civitarese F. Gallucci Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process
description	Abstract Industrial development and increased energy requirements have led to high consumption of fossil fuels. Thus, environmental pollution has become a profound problem. Every year, a large amount of agro-industrial, municipal and forest residues are treated as waste, but they can be recovered and used to produce thermal and electrical energy through biological or thermochemical conversion processes. Among the main types of agro-industrial waste, soluble coffee residues represent a significant quantity all over the world. Silver skin and spent coffee grounds (SCG) are the main residues of the coffee industry. The many organic compounds contained in coffee residues suggest that their recovery and use could be very beneficial. Indeed, thanks to their composition, they can be used in the production of biodiesel, as a source of sugar, as a precursor for the creation of active carbon or as a sorbent for the removal of metals. After a careful evaluation of the possible uses of coffee grounds, the aim of this research was to show a broad characterization of coffee waste for energy purposes through physical and chemical analyses that highlight the most significant quality indexes, the interactions between them and the quantification of their importance. Results identify important tools for the qualification and quantification of the effects of coffee waste properties on energy production processes. They show that (SCG) are an excellent raw material as biomass, with excellent values in terms of calorific value and low ash content, allowing the production of 98% coffee pellets that are highly suitable for use in thermal conversion systems. Combustion tests were also carried out in an 80kWth boiler and the resulting emissions without any type of abatement filter were characterized.
format	article
author	A. Colantoni E. Paris L. Bianchini S. Ferri V. Marcantonio M. Carnevale A. Palma V. Civitarese F. Gallucci
author_facet	A. Colantoni E. Paris L. Bianchini S. Ferri V. Marcantonio M. Carnevale A. Palma V. Civitarese F. Gallucci
author_sort	A. Colantoni
title	Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process
title_short	Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process
title_full	Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process
title_fullStr	Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process
title_full_unstemmed	Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process
title_sort	spent coffee ground characterization, pelletization test and emissions assessment in the combustion process
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/66d773b4bcd34789a69b7e6ca056ab39
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Spent coffee ground characterization, pelletization test and emissions assessment in the combustion process

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