NDLI: Steam Gasification of Lignite in a Bench-Scale Fluidized-Bed Gasifier Using Olivine as Bed Material

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Steam Gasification of Lignite in a Bench-Scale Fluidized-Bed Gasifier Using Olivine as Bed Material

Content Provider	MDPI
Author	Sergio, Rapagnà Savuto, Elisa May, Jan Carlo, Andrea Di Gallucci, Katia Giuliano, Andrea Di
Copyright Year	2020
Description	The gasification of lignite could be a promising sustainable alternative to combustion, because it causes reduced emissions and allows the production of syngas, which is a versatile gaseous fuel that can be used for cogeneration, Fischer-Tropsch synthesis, or the synthesis of other bio-fuels, such as methanol. For the safe and smooth exploitation of syngas, it is fundamental to have a high quality gas, with a high content of H2 and CO and minimum content of pollutants, such as particulate and tars. In this work, experimental tests on lignite gasification are carried out in a bench-scale fluidized-bed reactor with olivine as bed material, chosen for its catalytic properties that can enhance tar reduction. Some operating parameters were changed throughout the tests, in order to study their influence on the quality of the syngas produced, and pressure fluctuation signals were acquired to evaluate the fluidization quality and diagnose correlated sintering or the agglomeration of bed particles. The effect of temperature and small air injections in the freeboard were investigated and evaluated in terms of the conversion efficiencies, gas composition, and tar produced.
Starting Page	2931
e-ISSN	20763417
DOI	10.3390/app10082931
Journal	Applied Sciences
Issue Number	8
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2020-04-23
Access Restriction	Open
Subject Keyword	Applied Sciences Paper and Wood Lignite Lignite Gasification Fluidized-bed Gasifier Olivine
Content Type	Text
Resource Type	Article

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