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Home > Combustion > Co-gasification and indirect cofiring of coal and biomass, CCC/158 

Co-gasification and indirect cofiring of coal and biomass, CCC/158

Author(s): Rohan Fernando

Price: £255.00

Ref: CCC/158 ISBN: 978-92-9029-478-8 Published Date: 01/10/2010

No. of Tables: 6 No. of Figures: 9 No. of Pages: 37

Many countries have initiated incentives in recent years to encourage the utilisation of biomass in coal-fired power plants as a method of reducing CO2 emissions. Interest in coal gasification has also increased recently as the considerable fluctuations in the price of crude oil and natural gas and concerns about their security of supply have focused attention on whether fuel for the power industry and feedstocks for the chemical industry could be obtained by the gasification of coal. Though there are many dozens of plant which have gasified coal, relatively few have co-gasified coal and biomass. There is also much interest in cofiring biomass in coal-fired power plants. Cofiring can be direct, where the biomass and coal are fired in the same boiler, or indirect, where the combustion or gasification of the biomass occurs in a separate unit. Direct cofiring is the simplest and the most widely applied technology for cofiring biomass but only a handful of plant have incorporated indirect cofiring.

This report briefly describes the technologies for coal gasification and biomass gasification. It considers the technical issues arising during the co-gasification of coal and biomass. It describes the experience gained from plants which have co-gasified the two fuels. The report then updates the experiences of plants indirectly cofiring the two fuels

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