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
Central Scientific Company bombsights for airplanes and fuses for large bombs. After 1968, the company began having financial difficulties. In 1974, the assets were sold off to competitors. The educational business retained the name Central Scientific Company. In April 1979, Central Scientific's assets and activities were acquired by two businessmen from Buffalo, New York. They sold the business to Sargent-Welch (their main competitor) in 2000. Central Scientific Company Central Scientific Company was founded in 1900 in downtown Chicago. It was formed out of what was left of the Olmstad Scientific Company. Central Scientific manufactured and distributed science teaching equipment for schools, colleges, and