Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels

This article provides a comprehensive review of the state of the art and more recent developments of the thermochemical treatments of slurry fuels in fluidized beds (FB). The review focuses on FB combustion and gasification of slurry fuels based on coal, biomass, sludge, and wastes from industry, ag...

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Autores principales:	Francesco Miccio, Federica Raganati, Paola Ammendola, Farouk Okasha, Michele Miccio
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	fluidized bed slurry fuel combustion gasification Technology T
Acceso en línea:	https://doaj.org/article/1ff02d2f711542f9b8fcc7955f25e1d7
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spelling	oai:doaj.org-article:1ff02d2f711542f9b8fcc7955f25e1d72021-11-25T17:28:36ZFluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels10.3390/en142277661996-1073https://doaj.org/article/1ff02d2f711542f9b8fcc7955f25e1d72021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7766https://doaj.org/toc/1996-1073This article provides a comprehensive review of the state of the art and more recent developments of the thermochemical treatments of slurry fuels in fluidized beds (FB). The review focuses on FB combustion and gasification of slurry fuels based on coal, biomass, sludge, and wastes from industry, agriculture, and the civil sector. The investigations at research and industrial levels over the last decades are presented and discussed, highlighting the adopted technological solutions, the results in terms of feasibility and efficiency, and the perspectives of future development. The different behavior between bubbling and circulating beds was addressed, in particular the optimal choice depending on the process (combustion/gasification/pyrolysis) and fuel properties (e.g., water content). Fundamental studies on interactions between the slurry fuels and the hot bed materials are also reviewed. The cumulative trend of reviewed investigations over the last decades depicts the abandonment of coal-based mixtures used in large plants, and the growing interest in the use of biomass-based slurries for small size application. In this respect, the shift from coal to biomass opens new challenges because of the different properties of biomass (density, fibrous structure, spontaneous degradation, hydrophilic behavior, etc.). Biomass-based slurries circumvent problems posed by using solid dry biomass, particularly in handling, storing, and feeding. Although slurry fuels represent a narrow sector, the results of the research investigations and the experience gained with coal can be exploited to contribute to the achievement of a circular approach based on renewable resources in the near future.Francesco MiccioFederica RaganatiPaola AmmendolaFarouk OkashaMichele MiccioMDPI AGarticlefluidized bedslurry fuelcombustiongasificationTechnologyTENEnergies, Vol 14, Iss 7766, p 7766 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	fluidized bed slurry fuel combustion gasification Technology T
spellingShingle	fluidized bed slurry fuel combustion gasification Technology T Francesco Miccio Federica Raganati Paola Ammendola Farouk Okasha Michele Miccio Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels
description	This article provides a comprehensive review of the state of the art and more recent developments of the thermochemical treatments of slurry fuels in fluidized beds (FB). The review focuses on FB combustion and gasification of slurry fuels based on coal, biomass, sludge, and wastes from industry, agriculture, and the civil sector. The investigations at research and industrial levels over the last decades are presented and discussed, highlighting the adopted technological solutions, the results in terms of feasibility and efficiency, and the perspectives of future development. The different behavior between bubbling and circulating beds was addressed, in particular the optimal choice depending on the process (combustion/gasification/pyrolysis) and fuel properties (e.g., water content). Fundamental studies on interactions between the slurry fuels and the hot bed materials are also reviewed. The cumulative trend of reviewed investigations over the last decades depicts the abandonment of coal-based mixtures used in large plants, and the growing interest in the use of biomass-based slurries for small size application. In this respect, the shift from coal to biomass opens new challenges because of the different properties of biomass (density, fibrous structure, spontaneous degradation, hydrophilic behavior, etc.). Biomass-based slurries circumvent problems posed by using solid dry biomass, particularly in handling, storing, and feeding. Although slurry fuels represent a narrow sector, the results of the research investigations and the experience gained with coal can be exploited to contribute to the achievement of a circular approach based on renewable resources in the near future.
format	article
author	Francesco Miccio Federica Raganati Paola Ammendola Farouk Okasha Michele Miccio
author_facet	Francesco Miccio Federica Raganati Paola Ammendola Farouk Okasha Michele Miccio
author_sort	Francesco Miccio
title	Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels
title_short	Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels
title_full	Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels
title_fullStr	Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels
title_full_unstemmed	Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels
title_sort	fluidized bed combustion and gasification of fossil and renewable slurry fuels
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1ff02d2f711542f9b8fcc7955f25e1d7
work_keys_str_mv	AT francescomiccio fluidizedbedcombustionandgasificationoffossilandrenewableslurryfuels AT federicaraganati fluidizedbedcombustionandgasificationoffossilandrenewableslurryfuels AT paolaammendola fluidizedbedcombustionandgasificationoffossilandrenewableslurryfuels AT faroukokasha fluidizedbedcombustionandgasificationoffossilandrenewableslurryfuels AT michelemiccio fluidizedbedcombustionandgasificationoffossilandrenewableslurryfuels
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Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels

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