Two-zone hydrogenation process for the production of colorless mineral oil
    2.
    发明授权
    Two-zone hydrogenation process for the production of colorless mineral oil 失效
    用于生产无色矿物油的两区加氢工艺

    公开(公告)号:US3841995A

    公开(公告)日:1974-10-15

    申请号:US36920973

    申请日:1973-06-12

    CPC classification number: C10G45/10 B01J23/40 C10G2400/10

    Abstract: 1. A PROCESS FOR THE PRODUCTION OF A COLORLESS MINERAL OIL, WHICH PROCESS COMPRISES CONTACTING A DEWAXED MINERAL LUBRICATING OIL DISTILLATE OR A DEWAXED AND SOLVENTEXTRACTED MINERAL LUBRICATING OIL DISTILLATE OF REDUCED AROMATIC HYDROCARBON CONTENT IN A FIRST REACTION ZONE WITH A SULFACTIVE HYDROGENATION CATALYST IN THE PRESENCE OF HYDROGEN AND UNDER HYDROGENATION AN DESULFURIZATION CONDITIONS TO PRODUCE A HYDROGENATED AND DESULFURIZED PRODUCT; CONTACTING SAID HYDROGENATED AND DESULFURIZED PRODUCT IN A SECOND REACTION ZONE WITH A SECOND CATALYST COMPRISING A GROUP VIII NOBLE METAL EPOSITED UPON A LARGE-PORE-DIAMETER ALUMINA HAVING A SURFACE AREA OF ABOUT 150 SQUARE METERS PER GRAM TO ABOUT 500 SQUARE METERS PER GRAM AND AN AVERAGE PORE DIAMTER OF ABOUT 100 A. TO BOUT 200 A. IN THE PRESENCE OF HYROGEN AND AT A TEMPERATURE OF AT LEAST 450*F. A LHSV OF ABOUT 0.25 TO ABOUT 1 VOLUME OF HYDROCARBON PER HOUR PER VOLUME OF CATALYST, A HYDROGEN ADDITION RATE OF ABOUT 1,500 SCFB TO ABIUT 7,00 SCFB, AND A HYDROGEN PARTIAL PRESSURE OF AT LEAST 500 P.S.I.G. SAID TEMPERATURE IN SAID SECOND REACTION ZONE HAVING A MAXIMUM VALUE OF 500*F. AND RECOVERING SAID COLORLESS MINERAL OIL FROM THE EFFLUENT FROM SAID SECOND REACTION ZONE.

    Abstract translation: 该方法包括在氢气和脱硫条件下使第一反应区中的矿物润滑油馏出物与磺化氢化催化剂接触,以在氢化和脱硫条件下使第二反应区中的脱硫产物与催化剂组合物接触, 本发明在氢气存在下和在选择的条件下。

Patent Agency Ranking