Refined coal of Melbourne University by Dr B. A. John in the 1980s. The name of the process derived from the Calleja Group, which acquired the technology in 1994 and developed the technology to pilot demonstration at Maddingley Mine, Bacchus Marsh, Victoria in 2004 before licensing the technology to ECT Limited for further commercialisation in 2005. The State of Victoria contains approximately 25% of the world's known reserves of brown coal (lignite). This coal is also amongst the world's 'wettest' coal, with a typical moisture content of 60 per cent water by weight. High moisture content makes Victorian brown coal an inefficient
Andrew Brown (industrialist) Lithgow still retains the name. The next phase of life was replete with a number of changes to his property which fostered Lithgow's economic development. In 1837 Brown established a water driven flour mill on Cooerwull Brook to process the wheat grown both on his own property and on other properties in the Lithgow Valley. In the 1860s Brown claimed to have found coal on his land, however it was Alfred Carter who was working on property at the time. He used coal to power his flour and later tweed mill. Coal was later to become and still currently is