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公开(公告)号:US3806444A
公开(公告)日:1974-04-23
申请号:US31957272
申请日:1972-12-29
Applicant: TEXACO INC
Abstract: HYDRODESULFURIZATION PROCESS TO CONVERT LARGE VOLUMES OF HIGH SULFUR OIL TO LIQUID INDUSTRIAL FUELS WITH A MAXIMUM OF 0.1% SULFUR BY WEIGHT, THEREBY MEETING STRINGENT POLLUTION CONTROL STANDARDS. IN THE PROCESS A LOW NAPHTHA HIGH SULFUR CONTAINING PETROLEUM CRUDE OR CRUDE FRACTION IS THERMALLY AND CATALYTICALLY HYDROCRACKED AD HYDROTREATED IN THE PRESENCE OF A STREAM OF SUPPLEMENTAL NAPHTHA FROM AN EXTERNAL SOURCE. H2S, CH4 AND CO2 PRODUCED IN THE PROCESS DISSOLVE IN LIQUID NAPHTHA AND ARE LATER SEPARATED IN A FRACTIONATOR WHERE NAPHTHA IS RECOVERED AND RECYCLED.