The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 1984
Filed:
Jun. 17, 1982
Ryohei Minami, Chiba, JP;
Shozo Okamura, Ibaraki, JP;
Yoshihiko Sunami, Ibaraki, JP;
Takuji Hosoi, Kawasaki, JP;
Takuo Kanou, Tokyo, JP;
Sumitomo Metal Industries, Ltd., Osaka, JP;
Abstract
A coal liquefaction process and apparatus therefor are disclosed. According to this invention, a finely divided coal and a solvent are contacted with molecular hydrogen in the presence of a catalyst to provide a slurry, the slurry is separated into a gaseous component, a liquid component and a solid residue, the solid residue which is the liquefaction residue is then supplied to a molten metal bath together with oxygen gas to generate a gas entraining fine powdery solids, and the thus recovered fine powdery solids are returned to the liquefaction process as a catalyst.