Mineral and Heavy Metal Composition of Oil Shale Ash from Oxyfuel Combustion
Alar Konist, Dmitri Neshumayev, Zachariah Baird, Edward J. Anthony, Marek Maasikmets, Oliver Järvik
Abstract
circulating fluidized bed combustor. In this paper, we provide data on the ash composition including mineral compositions and heavy metal concentrations. Oxyfuel conditions did not noticeably influence the concentrations of heavy metals in the ash but did have significantly lower amounts of free lime because of inhibition of the carbonate decomposition reactions. The results suggest that oxyfuel combustion would produce no significant problems in terms of the behavior of the ash or the fate of heavy metals contained in the ash.
Topics & Concepts
CombustionOil shaleWaste managementFly ashFluidized bed combustionCombustorEnvironmental scienceCarbonateBottom ashMetallurgyChemistryMaterials scienceEngineeringOrganic chemistryHydrocarbon exploration and reservoir analysisCoal and Its By-productsCoal Properties and Utilization