文献に見る水を使った重質油処理の歴史(<特集>水を使った重質油処理)

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Literature on heavy oil cracking using water or steam was surveyed. From 1870, there were four peaks on the number of literature concerning heavy oil cracking including coking, catalytic cracking, hydrocracking and steam cracking, which were up to 1950, 1950's-1970's, 1980's-1990's and after 2000. Up to 1950, steam was used for the coking of heavy oil at the pressure of <1MPa. The role of steam was considered to keep uniform oil temperature, to avoid excess decomposition by fast removal of oil vapor with steam, and to accelerate the vaporization of oil component by reducing the partial pressure. All of them were physical effects, but no chemical effects were observed by steam regardless the existence of catalyst, such as metal or metal salt, or not. In 1950's-1970's, steam cracking was applied for the production of olefins, but the needs for heavy oil cracking were quite limited. In 1980's and 1990's, many cracking applications, steam visbreaking, supercritical solvent extraction, aquaconversion, etc., were studied on petroleum alternatives. Then those techniques were applied to heavy oil. After 2000, the importance of heavy oil cracking is increasing due to the gap of supply and demand of heavy oil. The steam cracking of heavy oil were performed using a new type catalyst, as well as supercritical water. However, no excellent processes have been developed yet. Based on the survey, several conditions are proposed which have not been investigated.
一般社団法人日本エネルギー学会の論文
2009-03-20

文献に見る水を使った重質油処理の歴史(<特集>水を使った重質油処理)

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