DOI: 10.5593/SGEM2015/B41/S18.099


K. Kurus, K. Jaderko, B. Bialecka
Monday 28 September 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-38-4 / ISSN 1314-2704, June 18-24, 2015, Book4, 763-770 pp

The demand for alternative fuels is growing according to increasing production of energy and utilization of conventional resources. There are significant benefits regarding to use of secondary fuels causing they are object of interest of companies understanding the potential of their use in combustion processes and energy recovery. The key advantage of utilization of alternative fuels are the capabilities of production according to the customer needs and adaptation to different combustion technologies. The calorific value of fuel can be comparable to the conventional ones.
The big amount of municipal and industrial waste necessitates the development of current processing methods, especially regarding to high – calorific fractions (over 6 MJ/kg) enriching the final blend. In the recent years the waste has started to be recognized as a valuable source of energy. Some components of alternative fuels may be considered as renewable resources.
The significant environmental issue is the current and past production of mining waste especially those containing the fine coal. The biggest deposits of this sorts of waste in Poland are spoil tips and settling ponds. The total amount of coal rational to recover from these sites may reach tens of millions of tones. The numerous studies have proven the calorific value of waste coal varies between 9 and 23 MJ/kg what makes them a valuable source of energy.
In the country with significant amounts of these groups of waste, it becomes reasonable to develop original, economically and environmentally efficient solutions for the energy use of selected municipal waste streams and coal mining waste, which could be applied in the production of high-calorie alternative fuel.
The results of research which are introduced in this article was conducted in the Silesian Province, characterized by a high proportion of unexploited coal wastes. Introduced balance of the amount of available mining waste on landfills and non-recyclable municipal and industrial waste with the capabilities of their combustion in heat and power plants enabled elaboration of the initial assumptions for the concept of alternative fuel. Extensive usage of the elaborated solution will enable to achieve the environmental effect as a reduction the amount of municipal and industrial waste landfilled, and the reduction of coil mining waste disposed on spoil tips and settling ponds.

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