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Background The need for energy sources with low greenhouse gas emissions and sustainable production encourages the search for alternative biomass sources. However, the use of biomass fuels faces the problem of storage, transport and lower energy densities. Low-density values can negatively affect energy density, leading to an increase in transportation and storage costs.


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Circulating blame in the circular economy: the case of wood-waste biofuels and coal ash Energy Policy, 129 ( 2019 ), pp. 168 - 172, 10.1016/J.ENPOL.2019.02.019 Article Download PDF View Record in Scopus Google Scholar


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during "feedstock recycling" of polymers) [...] clearly fulfil this definition. ... i.e. from coal arrival up to fly ash disposal. metaline.de. ... los análisis de las aguas que llegan al embalse arrojaron un resultado de contenido en sulfatos que excede de 1.000 partes por [...] millón, lo que hacía aconsejable, sobre ...


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lected for nearly all the coal- and all the oil-based GPPs currently In a gasification process, usually known as synthesis gas or syn- in operation or under construction. gas for short, solid or liquid fuel chemically reacts with a gasifica- Solids (e.g. coal and ash) in a fluidized bed are suspended in an tion agent (air, oxygen or water ...


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Results for the Gascoigne Wood coal ash, again excluding the formation of complex species, reflect the higher silica/alumina ratio and percentage of alkalis, and low calcium levels relative to the Daw Mill coal mineral (). inasmuch as the high alkaline earth content and high alkali content immiscible silicate melts coexist over a wide range of temperatures down to 1100 K.


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Highlights MgAl 2 O 4 and Al 2 O 3 refractories were designed for petroleum coke gasification process in steel industry. Refractories were exposed to petroleum coke ashes and exhibited dissolution due to molten slag penetration. Microstructural analysis revealed formation of spinel's type (Ni 2+, Fe 2+ and Mg 2+)IV (Al 3+, Fe 3+)VI 2 O 4. Hibonite and gehlenite phases were also observed ...


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