Method for treating heavy mineral oil
专利汇可以提供Method for treating heavy mineral oil专利检索，专利查询，专利分析的服务。并且PURPOSE: To obtain adventageously high-grade gas oil, deasphalted oil, etc., by hydrogenating heavy mineral oil to recover light distillates, thermally cracking the residual oil to recover gas oil distillate and deasphalting the residue with a small quantity of a low-molecular solvent.
CONSTITUTION: Hydrogen 8 is mixed with heavy mineral oil 1 contg. residual oil and the mixture is introduced into a hydrogenator 4 and hydrogenated in the presence of a hydrogenation catalyst at 300W480°C under a hydrogen pressure of 50W200kg/cm
2 . After hydrogen 7 and a light distillate component 12 are recovered in a gas-liquid separating device 6 and a distillation column 10, the residue is introduced into a croacker 15 and thermally cracked at 350W550°C under a pressure of atmospheric pressure to 200kg/cm
2 , and a gas oil distillate, etc. 19 are recovered in a distillation stage 18. The residual oil is introduced into a solvent-deasphalting device 21 and a low-molecular solvent 22 such as propane, butane or pentane in a quantity of 1W6 times by volume that of the residual oil is added thereto to carry out a deasphating treatment, whereby deasphalted oil 27 and deasphalted asphalt 28 can be obtd.
COPYRIGHT: (C)1985,JPO&Japio，下面是Method for treating heavy mineral oil专利的具体信息内容。
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