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Inventor: Homma; Yasumasa
Address: Yokohama, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4191636 |
Process for hydrotreating heavy hydrocarbon oil |
March 4, 1980 |
| This invention relates to a process for continuously converting a heavy oil into an asphaltene-metal-free oil by hydrotreating said heavy oil to crack asphaltenes selectively and remove heavy metals such as vanadium and nickel from said heavy oil simultaneously (hereinafter briefly refer |
| 4166026 |
Two-step hydrodesulfurization of heavy hydrocarbon oil |
August 28, 1979 |
| A process for hydrodesulfurization of heavy hydrocarbon oil containing asphaltenes and heavy metals in large amounts is disclosed. The heavy oil is hydrotreated in a continuous 2-step process. In the first step the heavy oil is subjected to hydrodemetallization and selective cracking of |
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