Pyrolysis oil are affected by temperature, reaction time, algae species, algae concentration, reaction atmosphere, and catalysts, in subcritical water reaction conditions. Bio-oil typically requires significant additional treatment to render it suitable as a refinery feedstock to replace crude oil derived from petroleum, coal-oil, or coal-tar. Tar is a black mixture of hydrocarbons and free carbon obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from coal, wood, petroleum, or peat. Wood-tar creosote is a colourless to yellowish greasy liquid with a smoky odor, produces a sooty flame when burned, and has a burned taste. It is
Coal in Finland Coal in Finland Coal in Finland is used as an energy source in Finland. However, since Finland has no domestic coal production, it must import all of it from other countries, primarily from Russia. Finland is a peat-producing nation. Peat is classified as coal by the IEA. There is no coal mining or coal tar in Finland. Coal is imported. According to Finnwatch (27.9.2010) there are 13 coal power plants in Finland. The companies Pohjolan Voima, Fortum, Helsingin Energia and Rautaruukki consume coal most. According to the Finnwatch inquiry in 2010 none of the Finnish companies had yet a commitment