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Poultry litter gasification in a fluidised bed reactor: effects of gasifying agent and limestone addition

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Show simple item record Pandey, Daya Shankar Kwapinska, Marzena Gómez-Barea, Alberto Horvat, Alen Fryda, Lydia E. Rabou, Luc P. L. M. Leahy, James J. Kwapinski, Witold 2018-08-30T11:38:28Z 2018-08-30T11:38:28Z 2016
dc.description peer-reviewed en_US
dc.description This article corresponds to chapter 3 of Ph.D: Experimental and mathematical modelling of biowaste gasification in a bubbling fluidised bed reactor Pandey, Daya Shankar URI:
dc.description.abstract Air and air-steam gasification of poultry litter was experimentally studied in a laboratory scale bubbling fluidised bed gasifier at atmospheric pressure using silica sand as the bed material. The effects of equivalence ratio (ER), gasifier temperature, steam-to-biomass ratio (SBR) and addition of limestone blended with the poultry litter, on product gas species yields and process efficiency, are discussed. The optimum conditions (maximum carbon conversion, gas yield, heating value and cold gas efficiency) was achieved at an ER 0.25 and 800 ºC, using air (SBR = 0) and poultry litter blended with 8% w/w limestone, yielding a product gas with a lower heating value (LHV) of 4.52 MJ/Nm3 and an average product gas composition (dry basis) of H2: 10.78%, CO: 9.38%, CH4: 2.61 and CO2: 13.13. Under this optimum processing conditions, the cold gas efficiency (CGE), carbon conversion efficiency (CCE) and hydrogen conversion efficiency (HCE) were 89, 73 and 43% respectively. The reported NH3 measurement at an ER of 0.28 and 750 ºC is 2.7% (equivalent to 19,300 mg/Nm3) with 14.7 mg/Nm3 of HCl observed the dry product gas. High temperature and steam injection favour production of CO and H2 while their effect on CH4 was almost negligible. It is demonstrated that poultry litter can be gasified by blending with limestone, making it possible to overcome the fluidisation problems caused by the mineral composition of poultry litter ash ( high K and P content), yielding a gas with a similar heating value compared to gasifying without limestone addition, but with a significantly lower tar content. en_US
dc.language.iso eng en_US
dc.publisher American Chemical Society en_US
dc.relation info:eu-repo/grantAgreement/EC/FP7/289887 en_US
dc.relation.ispartofseries Energy and Fuels;30 (4), pp. 3085-3096
dc.rights © 2016 ACS This document is the Author Manuscript version of a Published Work that appeared in final form in Journal Title, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see en_US
dc.subject livestock production en_US
dc.subject poultry en_US
dc.subject limestone en_US
dc.title Poultry litter gasification in a fluidised bed reactor: effects of gasifying agent and limestone addition en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.1021/acs.energyfuels.6b00058
dc.contributor.sponsor ERC en_US
dc.contributor.sponsor EI en_US
dc.contributor.sponsor HEA en_US
dc.relation.projectid 289887 en_US
dc.relation.projectid CC/2009/1305A en_US
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US

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