The problem of reducing CO2 emissions in the atmosphere is indirectly related to the potential storage options in different environments in the earth's crust. One of the promising possibilities for reducing emissions of carbon dioxide (CO2) into the atmosphere is the geological storage of CO2 in deep, unminable coal seams. Measurements of the CO2 adsorption of 10 lignite samples from the Velenj...

Fly ash samples from the five steam electric power stations of the Lignite Center of Western Macedonia were used in this study. They consisted mainly of anhydrite, lime, quartz and amorphous material as well as feldspars, calcite, micas + clays, portlandite and gehlenite which were all present in minor amounts. Anhydrite, lime and portlandite in the fly ash samples diminished upon treatment wit...

Dewatering of sewage sludge is an important part of proper sludge management practice. It is becoming a more challenging issue for water industries as new regulations on sludge disposal are being imposed. In this paper, the application of mechanical thermal expression (MTE) to dewater sewage sludge and the conditioning of sludge by mixing with brown coal are investigated. Raw sludge, sludge flo...

Abstract In this study, physicochemical properties, co-pyrolysis kinetics and characteristics of lignite rapeseed cake is investigated. While has high calorific value, volatile matter content low moisture that suitable for the pyrolysis reactions. According to thermal behavior blends, addition into provides shift lower initial decomposition temperature blends compared lignite. a significant rol...