Refined coal Refined coal Refined coal is the product of the application of a coal upgrading technology that removes moisture and certain pollutants from lower-rank coals such as sub-bituminous and lignite (brown) coals and raising their calorific values. Coal refining or upgrading technologies are typically pre-combustion treatments and/or processes that alter the characteristics of a coal before it is burned. The goals of pre-combustion coal upgrading technologies are to increase efficiency and reduce emissions when coal is burned. Depending on the situation, pre-combustion technology can be used in place of or as a supplement to post-combustion technologies to control emissions from coal-fueled
J & A Brown South Wales. From that time the surviving member of the Brown family Stephen Brown served as a director in the new public company. In 1960, JABAS merged with Caledonian Collieries Limited to form Coal & Allied Industries Limited. After this merger, JABAS become the subsidiary company that carried out the mining operations of Coal & Allied until being renamed Coal & Allied Operations Pty Ltd in 1980. As of 2013, Coal & Allied Operations Pty Ltd is a subsidiary of Rio Tinto Coal Australia. J & A Brown J & A Brown was an privately owned Australian coal family firm