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MBM (Meat and Bonemeal) Co-Gasification in IGCC Technology

[+] Author Affiliations
Francisco García-Peña, Alejandro Muñoz-Mozos, Pedro Casero-Cabezón

ELCOGAS, Puertollano, Spain

Paper No. GT2002-30010, pp. 171-182; 12 pages
doi:10.1115/GT2002-30010
From:
  • ASME Turbo Expo 2002: Power for Land, Sea, and Air
  • Volume 1: Turbo Expo 2002
  • Amsterdam, The Netherlands, June 3–6, 2002
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3606-1 | eISBN: 0-7918-3601-0
  • Copyright © 2002 by ASME

abstract

The potential use of MBM (Meat and Bone Meal) as fuel in a power plant has been recently originated by the mad cow disease, affecting not only Europe (the origin of the disease) but also other continents. MBM manufacturing companies have been forced to change their traditional ways of distribution due to the current ban of using MBM as cattle feed, therefore using a dumping site or an incinerator. To be considered as a fuel, several studies should be carried out. Preliminary characterisation of MBM showed a heating value higher than existing in coal, and a grain size acceptable to be mixed with regular fuel, hence appropriate to be brought into a boiler or a gasifier. Additionally, an expected advantage of using MBM in a gasification process was the possibility of using it as adequate slag/ash fusion agent (instead of traditional limestone), due to the high presence of Ca compounds. Related to environmental issues, the conventional thermal oxidation process (like incineration) shows several inconveniences, associated to the presence of hazardous compounds (like furans and dioxins) expected in organic matter combustion. There are few references of the existence of this kind of compounds in gasification process, but it is known that the existing reducing environment in a gasifier does not benefit its formation at all. Some of these issues were analysed in short duration full-scale tests developed in Puertollano IGCC Power Plant, owned by ELCOGAS, in which several MBM/regular fuel mixtures were tested. This paper describes the methodology used in these tests, fuel characteristics, main systems performance, and general conclusions about the viability of IGCC co-gasification using alternative fuels.

Copyright © 2002 by ASME

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