Oxidative coal dissolution and product upgrading

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Canada has considerable coal resources, which are produced by conventional means. Oxidative coal dissolution approaches coal production in a different way. Oxidative coal dissolution is the conversion of coal using air at mild conditions to produce mainly water-soluble products. This approach to coal conversion has the potential to be applied to subsurface recovery of marginal coal deposits without mining. The dissolved coal produced by oxidative coal dissolution is substantially free of mineral matter. A second step is needed for the upgrading of the oxidative coal dissolution product, such as decarboxylation. There is also the possibility that the product can be upgraded to higher-valued materials. An investigation of both oxidative coal dissolution and the upgrading of the dissolution products will be undertaken.