Coal upgrading technology Coal upgrading technology Coal upgrading technology refers to a class of technologies developed to remove moisture and certain pollutants from low rank coals such as sub-Bituminous coal and lignite (brown coal) and raise their calorific values. Companies located in Australia, Germany and the United States are the principal drivers of the research, development and commercialisation of these technologies. Around 30 nations collectively operate more than 1,400 brown coal-fired power stations around the world. Brown coal power stations that cannot economically dewater brown coal are inefficient and cause of high levels of carbon emissions. High emitting power stations, notably the Hazelwood
Bolton Brown boulder of his selection. Bolton Brown Bolton Coit Brown (November 27, 1864 – September 15, 1936) was an American painter, lithographer, and mountaineer. He was one of the original founders of the Byrdcliffe Colony in Woodstock, NY, part of what is now referred to as the Woodstock Art Colony. Brown was born and raised in Dresden, in upstate New York. His sister was the scientific illustrator Anna B. Nash. After receiving his Masters in Painting from Syracuse University, he moved to California in 1891 to create the Art Department at Stanford University. Brown headed the department for almost ten years,