Synthetic oil

Japanese: 合成石油 - ごうせいせきゆ

Also known as synthetic petroleum. A liquid hydrocarbon fuel similar to natural petroleum, obtained from materials other than petroleum crude oil. There are various manufacturing methods, such as hydrocracking of coal (Bergius process), Fischer synthesis, which is synthesized from carbon monoxide and hydrogen, and low-temperature carbonization of coal. It was invented in Germany, which suffered from a shortage of oil during World War I, and was carried out on a large scale until World War II. It was discontinued after the war because it was not economical, but research into synthetic petroleum from coal liquefaction was resumed after the oil crisis of the 1970s.

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

人造石油とも。石油原油以外の原料から得た，天然石油類似の液体炭化水素燃料。石炭の水素化分解（ベルギウス法），一酸化炭素と水素から合成するフィッシャー合成，石炭の低温乾留などの製法がある。第１次大戦で石油の不足に悩まされたドイツで考え出され，第２次大戦中まで大規模に行われた。経済的でないため戦後中断されたが，1970年代の石油危機以降，石炭液化による合成石油の研究が再開された。

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