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57 条记录 (耗时 0.01 秒)

    Selective oxidation of acetylenes
    44.
    发明授权
    Selective oxidation of acetylenes 失效
    乙炔的选择性氧化

    公开(公告)号：US4035433A

    公开(公告)日：1977-07-12

    申请号：US704884

    申请日：1976-07-13

    申请人： Lewis E. Drehman ,  Thomas Davis

    发明人： Lewis E. Drehman ,  Thomas Davis

    IPC分类号： C07C7/148 ,  C07C7/02

    CPC分类号： C07C7/14816

    摘要： Acetylenic compounds are selectively removed from hydrocarbon mixtures containing same by oxidation in the presence of a copper chromite catalyst. In one embodiment, acetylenic compounds are selectively removed from streams containing C.sub.4 unsaturated hydrocarbons containing same by contacting oxygen and the stream with a catalyst of copper, chromium, and oxygen under oxidizing conditions.

    摘要翻译： 在亚铬酸铜催化剂的存在下，通过氧化从含有它们的烃混合物中选择性除去乙炔化合物。 在一个实施方案中，通过在氧化条件下使氧和所述物流与铜，铬和氧的催化剂接触，从含有其中含有C 4不饱和烃的流中选择性地除去炔属化合物。

    Sublimation of 2,6-and 2,7-dimethyl-naphthalene mixture
    45.
    发明授权
    Sublimation of 2,6-and 2,7-dimethyl-naphthalene mixture 失效
    2,6-二甲基萘磺酸盐混合物的分离

    公开(公告)号：US3839479A

    公开(公告)日：1974-10-01

    申请号：US28990072

    申请日：1972-09-18

    申请人： SUN RESEARCH DEVELOPMENT

    发明人： HEDGE J

    IPC分类号： C07C7/00 ,  C07C7/02

    CPC分类号： C07C7/00 ,  C07C15/24

    摘要： 1. METHOD OF SUBLIMATING A SOLID NONEUTECTIC MIXTURE OF DIMETHYLNAPHTHALENES CONSISTING ESSENTIALLY OF 2,6-DIMETHYLNAPHTHALENE AND 2,7-DIMETHYLNAPHTHALENE COMPRISING: (A) ELEVATING THE REMPERATURE OF THE SOLID, SUBLIMAND MIXTURE TO BETWEEN AMBIENT TEMPERATURE AND THE MELTING POINT OF AN EUTECTIC MIXTUREOF 2,6-DIMETHYLNAPHTHALENE AND 2,7-DIMETHYLNAPHTHALENE; MAINTAINING THE ELEVATED TEMPERATUREUNTIL THE COMPOSITION OF THE INITIAL, SOLID MIXTURE HAS CHANGED; AND (B) REMOVING THE VAPORS ARISING FROM THE SUBLIMAND AND COLLECTING THE SUBLIMATE.

    Purification process for a hydrocarbon conversion effluent
    46.
    发明授权
    Purification process for a hydrocarbon conversion effluent 失效
    石油转化效率的净化过程

    公开(公告)号：US3819741A

    公开(公告)日：1974-06-25

    申请号：US17855571

    申请日：1971-09-08

    申请人： PHILLIPS PETROLEUM CO

    发明人： MARSHECK R ,  POSKA F

    IPC分类号： C02F1/28 ,  C02F11/00 ,  C07C5/48 ,  C07C7/02 ,  C07C11/16

    CPC分类号： C02F11/00 ,  C02F1/281 ,  C07C5/48 ,  Y10S203/11 ,  Y10S585/904

    摘要： LIQUID STREAMS CONTAINING IMPURITIES ARE FEED OF THE IMPURITIES BY CONTACTING THE LIQUID STREAM WITH PARTICULATE MATERIALS FOR DEPOSITION OF THE IMPURITY ONTO THE PARTICULATE MATERIAL AND SUBSEQUENTLY SUBJECTING THE PARTICULATE MATERIAL HAVING DEPOSITED THEREON THE IMPURITIES TO AN ELEVATED TEMPERATURE AND AN OXYGEN-CONTAINING GAS TO OXIDIZE AND BURN OFF THE IMPURITIES FROM THE PARTICULATE SOLIDS AND CONVERTING IMPURITES TO INNOCUOUS MATERIALS WHICH CAN BE DISCHARGED TO THE ATMOSPHERE. IN ONE EMBODIMENT, AQUEOUS STREAMS CONTAINING OXYGENATED HYDROCARBON IMPURITIES ARE CONTACTED WITH PARTICULATE SOLIDS, EITHER INERT OR CATALYTIC SOLIDS, FOR DEPOSITON OF THE OXYGENATED HYDROCARBONS AND SUBSEQUENTLY SUBJECTING THE SOLIDS AND DEPOSITED OXYGENATED HYDROCARBONS TO OXIDA-

    TION AND COMBUSTION IN A FLUIDIZED BED OPERATION TO CONVERT THE OXYGENATED HYDROCARBONS TO CARBON OXIDES AND WATER WHICH CAN BE READILY DISCHARGED TO THE ATMOSPHERE.

    Process for separating para-xylene
    47.
    发明授权
    Process for separating para-xylene 失效
    分离对数XYLENE的方法

    公开(公告)号：US3813452A

    公开(公告)日：1974-05-28

    申请号：US29957072

    申请日：1972-10-20

    申请人： UNIVERSAL OIL PROD CO

    发明人： BIESER H

    IPC分类号： C07C7/00 ,  C07C7/13 ,  C07C7/02 ,  C07C15/08

    CPC分类号： C07C7/005 ,  C07C7/13 ,  C07C15/08

    摘要： HIGH PURITY PARA-XYLENE IS RECOVERED AND PRODUCED IN HIGH YIELDS FROM FEED STREAMS CONTAINNG C8 AROMATIC AND C8 NONOROMATIC HYDROCARBONS. REMOVING THE NONAROMATIC C8 HYDROCARBONS ALONG WITH SOME PARA-XYLENE IN A FRACTIONATION ZONE ALLOWS THE USE IN AN ADSORPTION ZONE OF AN EASILY AVAILABLE INEXPENSIVE DESORBENT BOILING IN ABOUT THE RANGE OF SOME OF THE NONAROMATIC C8 HYDRO-

    CARBONS. LOSS OF PARA-XYLENE FROM THE PROCESS IS MINIMIZED BY DIRECTING THE FRACTIONATION ZONE OVERHEAD TO A CRYSTALLIZER FOR RECOVERY OF THE PARA-XYLENE. PARA-XYLENE DEFICIENT STREAMS CAN BE DIRECTED TO A XYLENE ISOMERIZATION ZONE FOR THE PRODUCTION OF ADDITIONAL PARA-XYLENE.

    Purification of olefins
    50.
    发明授权
    Purification of olefins 失效
    油脂的纯化

    公开(公告)号：US3647913A

    公开(公告)日：1972-03-07

    申请号：US3647913D

    申请日：1970-07-27

    申请人： POLYMER CORP

    发明人： LASIS EVALDS

    IPC分类号： C07C7/148 ,  C07C1/00 ,  C07C7/173 ,  C07C7/177 ,  C07C11/167 ,  C07C67/00 ,  C07C7/02

    CPC分类号： C07C7/177 ,  C07C11/167

    摘要： IMPURE OLEFIN STREAMS OF, E.G., BUTADIENE, INTENDED FOR POLYMERIZATION, ARE PURIFIED TO REMOVE IMPURITIES HARMFUL IN SUBSEQUENT POLYMERIZATION, SUCH AS ACETYLENES AND CUMULATIVE DIOLEFINS, BY TREATING THEM WITH CATALYSTS WHICH SELECTIVELY POLYMERIZE THE IMPURITIES TO SOLID, READILY REMOVABLE PRODUCTS, WHILST LEAVING THE OLEFIN UNAFFECTED. AN EXAMPLE OF A SUITABLE CATALYST IS A MIXTURE OF FERROUS OCTOATE AND ALUMINUM TRIETHYL.