Low temperature-low pressure naphtha reforming process
    41.
    发明授权
    Low temperature-low pressure naphtha reforming process 失效
    低温低压萘改性工艺

    公开(公告)号:US3853745A

    公开(公告)日:1974-12-10

    申请号:US33899273

    申请日:1973-03-07

    发明人: WELTY A

    IPC分类号: C10G61/06 C10G35/06 C10G25/00

    CPC分类号: C10G61/06

    摘要: A hydrocarbon feedstock comprising naphthenes is catalytically reformed using a catalyst which promotes both dehydrogenation and isomerization. Cracking and other undesirable side reactions are substantially avoided by employing a reaction temperature in the range of 600* to 700*F and a hydrogen pressure not exceeding about 4 atmospheres. If the hydrogen partial pressure is about 1 atmosphere or less, satisfactory conversion of the naphthenes to aromatics is obtained without further steps. If the hydrogen partial pressure is between about 1 and about 4 atmospheres, the aromatics are adsorbed on a zeolite or other suitable substance as they are formed, thus shifting the equilibrium and promoting the dehydrogenation and isomerization reactions. The adsorbed aromatics are subsequently desorbed by, for example, heated hydrocarbon vapor. If the adsorption/desorption is used, a dual reactor set-up may be conveniently employed.

    摘要翻译: 使用促进脱氢和异构化的催化剂对包含环烷烃的烃原料进行催化重整。 通过使用反应温度在600至700°F和不超过约4大气压的氢气压力下,基本上避免了开裂和其它不良副反应。 如果氢气分压约为1气氛或更低,则无需进一步的步骤即可获得令人满意的环烷烃转化为芳族化合物。 如果氢气分压在约1至4大气压之间,则芳烃在形成时被吸附在沸石或其它合适的物质上,从而转移平衡并促进脱氢和异构化反应。 吸附的芳族化合物随后通过例如加热的烃蒸气解吸。 如果使用吸附/解吸,可以方便地使用双重反应器。

    Igh octane gasoline combination cracking process for converting paraffinic naphtha into h
    42.
    发明授权
    Igh octane gasoline combination cracking process for converting paraffinic naphtha into h 失效
    IGH OCTANE GASOLINE组合破碎过程,将PARAFFINIC NAPHTHA转换成H

    公开(公告)号:US3758628A

    公开(公告)日:1973-09-11

    申请号:US3758628D

    申请日:1971-12-20

    申请人: TEXACO INC

    发明人: STRICKLAND J BUNN D

    摘要: A process for manufacturing high octane gasoline from a low octane paraffinic naphtha, which comprises hydrocracking a first portion of the naphtha to yield a C4 fraction comprising isobutane and a hydrocracked light naphtha fraction having a relatively high octane number, catalytically cracking a second portion of the naphtha to yield a C3-C4 fraction comprising propylene, butylenes and isobutane and a catalytically cracked light naphtha fraction having a relatively high octane number, and reacting, in an alkylation zone the hydrocracked C4 fraction and the catalytically cracked C3-C4 fraction to yield a high octane gasoline alkylate. The proportion of naphtha charged to the hydrocracking zone and the catalytic cracking zone are adjusted such that isobutane, butylene and propylene charge to the alkylation zone are in stoichiometric balance.

    Removal of straight chain hydrocarbons from different hydrocarbon stocks
    43.
    发明授权
    Removal of straight chain hydrocarbons from different hydrocarbon stocks 失效
    从不同的油气藏中清除直链烃

    公开(公告)号:US3723292A

    公开(公告)日:1973-03-27

    申请号:US3723292D

    申请日:1971-08-24

    CPC分类号: C10G25/03 C10G61/06

    摘要: A cyclic process is disclosed for sequentially treating two different naphtha stocks in the same molecular sieve adsorption bed to produce nonstraight chain hydrocarbon fractions respectively from each stock and a third product composed of straight chain hydrocarbons from both stocks. Also disclosed is the use of this procedure in conjunction with a reforming process wherein a naphtha feed is first denormalized, the denormalized naphtha is reformed and the resulting reformate is denormalized to yield high octane gasoline blending stock.

    摘要翻译: 公开了一种循环方法,用于在相同的分子筛吸附床中顺序处理两种不同的石脑油原料,以分别从每种原料和由来自两种原料的直链烃组成的第三产物产生非直链链烃馏分。 还公开了该方法与重整方法的使用,其中石脑油进料首先被非正规化,非正规化石脑油被重整,所得重整油被非正规化以产生高辛烷值汽油共混料。

    Gasoline production
    44.
    发明授权
    Gasoline production 失效
    汽油生产

    公开(公告)号:US3718576A

    公开(公告)日:1973-02-27

    申请号:US3718576D

    申请日:1970-07-01

    申请人: CHEVRON RES

    发明人: HUGHES T SIEG R

    CPC分类号: C10G61/06 C10G59/02 C10L1/06

    摘要: A process for producing gasoline from a hexane-rich hydrocarbon feed which comprises disproportionating the hexane-rich feed to obtain at least C5 hydrocarbons and C7+ hydrocarbons, and catalytically reforming the C7+ hydrocarbons to obtain reformate. Preferably, the normal pentane hydrocarbons obtained from disproportionating the hexane are fed to a C5 isomerization process to obtain isopentane. Preferably, a common fractionation zone is used for the disproportionation, catalytic reforming and C5 isomerization processes.

    摘要翻译: 一种从富含己烷的烃进料中生产汽油的方法,包括歧化富含己烷的进料,以获得至少C5烃和C7 +烃,并催化重整C7 +烃以获得重整油。 优选将由歧化己烷获得的正戊烷烃加入到C5异构化方法中以获得异戊烷。 优选地,常用的分馏区用于歧化,催化重整和C5异构化过程。

    Process for the production of acetylene,ethylene and aromatics
    46.
    发明授权
    Process for the production of acetylene,ethylene and aromatics 失效
    乙烯,乙烯和芳族化合物的生产工艺

    公开(公告)号:US3556987A

    公开(公告)日:1971-01-19

    申请号:US3556987D

    申请日:1969-04-25

    IPC分类号: C10G61/06

    CPC分类号: C10G61/06

    摘要: ETHYLENE, ACETYLENE, AN AROMATIC STREAM, AND PETROLEUM COKE ARE PRODUCED BY DISTILLING A CRUDE OIL TO PRODUCE LIGHT PETROLEUM ENDS, A LIGHT NAPHTH, A HEAVY NAPHTHA, AND A LESS VOLATILE REDUCED CRUDE OIL; FEEDING THE LIGHT NAPHTHA STREAM TO A HYDROCARBON PUROLYSIS FURNACE; FEEDING THE HEAVY NAPHTHA STREAM COMBINED WITH A COKER NAPHTHA TO A REFORMER WHERE SULFUR IS REMOVED, THE OLEFINS ARE SATURATED, AND THE NAPHTHENES ARE AROMATIZED, FOLLOWING WHICH AROMATICS ARE EXTRACTED FROM THE REFORMED STREAM LEAVING A MIXTURE OF NORMAL AND ISOPARAFFINS WHICH THEN ENTER THE PYROLYSIS FURNACE. THE PYROLYSIS PRODUCTS ARE SENT TO A SEPARATION TRAIN FROM

    WHICH ETHYLENE AND/OR ACETYLENE ARE WITHDRAWN. OILS AND TARS ARE REMOVED FROM THE SEPARATION TRAIN AND INTRODUCED INTO A COKER, WHICH ALSO RECEIVES REDUCED CRUDE AND GAS OIL FROM THE DISTILLATION UNIT AND WHICH PRODUCES COKE, FUEL OIL, FUEL GAS, AND A COKER NAPHTHA WHICH IS COMBINED WITH THE HEAVY NAPHTHA AND FED INTO THE REFORMER.