Black coal equivalent Black coal equivalent Black coal equivalent (BCE) is an export coal product derived from the Coldry Process, a patented coal upgrading technology operated by Environmental Clean Technologies Limited, in Victoria, Australia. The Coldry Process is applied to brown coal (lignite) with a typical moisture content of 60 per cent by weight and transforms the coal into a densified coal product of equal or better calorific value (5,800 kcal/kg) to typical export quality black coal, with less ash and sulfur content. Black coal equivalent derived from brown coal is ostensibly a 'cleaner' burning coal fuel than most black coals. Densified coal
Coal Palace red mortar. Vitric coal was also used to spell "Coal Palace" above the main entrance. Sioux City architect Charles P. Brown was contracted to design the Coal Palace; he had previously designed the first Corn Palace in Sioux City and was at the time planning the second. Born in Salem, Massachusetts, Brown moved to Sioux City in 1886 and had designed much of its downtown. Brown recognized the inherent medieval quality of walls covered in uncut coal and capitalized on this theme by adding turrets, crenellated walls, and spired roofs. Ten flags with the names of the ten coal-donating counties