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The results of the research on energy usage of the fatty acids distillation residue are presented. Distillation residue constitutes a material of biogenic origin, which is created only as a result of physical processing of animal fats without using additional chemicals. This material exhibits similar physicochemical properties as the heavy heating oil and may be its substitute. Industrial comparative...
The rational use of renewable energy sources depends largely on the processing technology applied and is a key element of sustainable development. The most widespread method of producing electricity from renewable sources in power plants involves the co-firing of biomass with fossil fuels, utilizing the existing infrastructure. In recent years, many existing units have been modernized to enable co-firing,...
In this paper some issues of the transition process from air- to oxy-combustion were investigated. Advantages of flexible combustion were described. Flexible combustion tests carried out at four European plants and five plants outside Europe of different scales of process and test parameters were presented. An analysis of the transition time from air to oxy-combustion of different laboratory and pilot...
Oxy-fuel combustion is suggested as a clean technique for energy conversion with respect to the reduction of CO 2 and NO x emissions. The positive effect of NO x reduction can be enhanced by an increase of the pressure inside the combustion chamber. The oxy-fuel combustion of bituminous and lignite coals was investigated. The influence of process parameters, such as the type...
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