초록 ▼

The invention concerns a process for converting heavy petroleum residues to hydrogen and to gaseous and distillable hydrocarbons, comprising the association of a step of hydropyrolysis (inside tube 3) with a step of catalytic steam-gasification of the formed coke (outside tube 3), characterized in t

The invention concerns a process for converting heavy petroleum residues to hydrogen and to gaseous and distillable hydrocarbons, comprising the association of a step of hydropyrolysis (inside tube 3) with a step of catalytic steam-gasification of the formed coke (outside tube 3), characterized in that the hydropyrolysis step is performed in the presence of a solid supporting a carbon gasification catalyst circulating between the hydropyrolysis zone and the coke steam-gasification zone, said steam-gasification being performed in the absence of oxygen. The petroleum residue, hydrogen and steam are introduced respectively through lines 5, 6 and 7. The products are withdrawn through line 10. Heat may be supplied by the radiating tube 4.

대표청구항 ▼

An integrated process for converting heavy petroleum residues to hydrogen and to gaseous and distillable hydrocarbons, comprising: (a) a first step wherein the petroleum residue and hydrogen are simultaneously contacted, for about 0.1-60 seconds with a supported catalyst containing at least one oxid

An integrated process for converting heavy petroleum residues to hydrogen and to gaseous and distillable hydrocarbons, comprising: (a) a first step wherein the petroleum residue and hydrogen are simultaneously contacted, for about 0.1-60 seconds with a supported catalyst containing at least one oxide or carbonate of alkali or alkaline-earth metal, obtained in step (b), at a temperature of 530°-800°C., under a pressure of 15-100 bars, to produce hydrocarbons gases and vapors, and coke which deposits on the catalyst, the coked catalyst being separated from said hydrocarbons, (b) a second step wherein the coked catalyst, separated from hydrocarbons in step (a), is contacted with steam, substantially in the absence of molecular oxygen, at a temperature of 600°-800°C., under a pressure of 15-100 bars, for a sufficient time to gasify at least 90% of the deposited coke, to hydrogen, carbon monoxide, carbon dioxide and methane, said catalyst being recycled to step (a).