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
Coal Island, New Zealand is one of only nine islands in the area that is completely free of introduced mammalian pests. Since then, endangered endemic birds such as tokoeka (Haast brown kiwi) and mōhua (yellowhead) have been released on the island. Coal Island, New Zealand Coal Island is an island in Fiordland, in the southwest of New Zealand's South Island. Its Māori name is Te Puka-Hereka Island, which translated means The Tied Anchor, but the island is commonly known as Coal Island. Situated at the southern end of Fiordland's west coast, Coal Island lies in the entrance to Preservation Inlet, between Puysegur Point and