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Bill Livingston, Group Leader, Fuels and Chemistry at Doosan Babcock R&D, discussed the co-firing of biomass by pre-mixing with coal and co-milling and the co-firing of pre-milled biomass materials by direct injection. The co-firing by injection of pre-milled material into the coal pipes will be used in a large project at Drax. More equipment is required than with pre-mix but there are fewer potential problems. Europe has a great deal of successful experience with co-firing. |
