The paper deals with waste gasification as a technology allowing co-firing of large quantities of biodegradable wastes in power boilers. In contrast to common landfilling and direct co-firing, gasification of wastes presents a number of advantages. Problematic species in original feedstocks can be partly safely incinerated in the furnace and partly retained in the gasification residues. Little effect on power boiler operation in terms of long term phenomena like fouling or corrosion is expected to be associated with co-firing of low calorific gas in standard coal powered boilers. Moreover, combustion characteristics in the furnace can even benefit from the co-firing of biodegradable wastes due to an enhanced reburning effect.
The paper focuses on proper introduction of low-calorific gases derived from gasification of biomass and wastes into solid fuel fired boilers. Possible injection methods are described and the influence of co-firing low calorific value gas on power boiler operation is discussed.
KALISZ Sylwester;
BAXTER David;
PRONOBIS Marek;
2006-12-21
Silesian University of Technology
JRC34820
https://publications.jrc.ec.europa.eu/repository/handle/JRC34820,
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