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
Wright's Coal Tar Soap Wright's Coal Tar Soap <br> Created by William Valentine Wright in 1860, Wright's Traditional Soap, or Wright's Coal Tar Soap, is a popular brand of antiseptic soap that is designed to thoroughly cleanse the skin. It is an orange colour. For over 150 years, Wright’s Coal Tar Soap was and still is a popular brand of household soap; its successor can still be bought in supermarkets and from chemists worldwide. It was developed by William Valentine Wright in 1860 from "liquor carbonis detergens", the liquid by-product of the distillation of coal to make coke; the liquid was made into an