Process for preparing aromatics from naphtha
    21.
    发明授权
    Process for preparing aromatics from naphtha 失效
    从NAPHTHA制备AROMATICS的方法

    公开(公告)号:US4053388A

    公开(公告)日:1977-10-11

    申请号:US747863

    申请日:1976-12-06

    Inventor: Angus B. Bailey

    CPC classification number: C10G59/02 C07C15/08 Y02P20/52

    Abstract: This invention is directed to producing a high yield of aromatics from naphtha by integrating a catalytic reformer and a thermal hydrocracking unit followed by fractionating the product stream to obtain the desired aromatic. In this process, after sulfur is removed, the naphtha is catalytically reformed under conditions adapted to provide the maximum aromatic content. The reformed stream is then thermally hydrocracked, preferably in a system containing multiple reactors. The process does not require an external source of hydrogen since the reforming and hydrocracking units are operated to maintain a hydrogen balance. The hydrocracked stream is fractionated in a series of columns to produce the desired mix of aromatics. In one example, the fractionation separates out (1) benzene, which is further purified, if necessary (2) a toluene stream and a C.sub.9 + aromatic stream which are charged to a transalkylation reactor to produce a composition containing mixed xylenes sent to recycle and (3) a mixed xylene stream from which paraxylene is separated by a liquid-solid adsorption technique and from which the remaining xylenes are isomerized to produce further paraxylene. A by-product stream of light hydrocarbons is also produced. This procedure can be readily modified to produce greater amounts of benzene and/or toluene and less xylene.

    Process for upgrading lubricating oil stock
    22.
    发明授权
    Process for upgrading lubricating oil stock 失效
    升级润滑油库存的过程

    公开(公告)号:US4053387A

    公开(公告)日:1977-10-11

    申请号:US693829

    申请日:1976-06-08

    CPC classification number: C10G17/095 C10G29/00 C10G2400/10

    Abstract: A two-step process for preparing a stabilized lubricating oil resistant to oxidation and sludge formation upon exposure to a highly oxidative environment is provided. The first step of the present process comprises contacting a lubricating oil stock with elemental sulfur in the presence of a catalyst material selcted from the group consisting of alumina, silica, aluminosilicate, a metal of Groups II-A, II-B, VI-B or VIII of the Periodic Table of Elements, an oxide of a metal of Groups II-A, II-B, VI-B or VIII, a sulfide of a metal of Groups II-A, II-B, VI-B or VIII, clay, silica combined with an oxide of a metal of Groups II-A, III-A, IV-B or V-B, and combinations thereof in a flow reactor or under conditions comparable to those existing in a flow reactor. The second step of the present process comprises contacting the product of the first step with hydrogen in the presence of alumina impregnated with at least about 10 weight percent of MoO.sub.3 and at least about 2.5 weight percent of CoO, said impregnated alumina having at least 50 percent of its pores with a pore diameter of 50 Angstrom Units or more.

    Process for the conversion of hydrocarbonaceous black oil
    24.
    发明授权
    Process for the conversion of hydrocarbonaceous black oil 失效
    烃黑油转化工艺

    公开(公告)号:US3992285A

    公开(公告)日:1976-11-16

    申请号:US508119

    申请日:1974-09-23

    CPC classification number: C10G47/00 C10G45/26

    Abstract: A process for the conversion of a hydrocarbonaceous black oil, wherein the terminal heating of the black oil before conversion is performed by the admixture of said black oil with a gas comprising steam and having a temperature greater than the hydrocarbon conversion temperature.

    Abstract translation: 一种烃黑色油的转化方法,其中转化前的黑色油的末端加热通过将黑油与包含蒸汽并且具有大于烃转化温度的温度混合的气体进行。

    Pretreatment of coal-derived liquid to improve magnetic separation of
solids
    25.
    发明授权
    Pretreatment of coal-derived liquid to improve magnetic separation of solids 失效
    预处理煤源液体以改善固体的磁分离

    公开(公告)号:US3976557A

    公开(公告)日:1976-08-24

    申请号:US527943

    申请日:1974-11-29

    CPC classification number: C10G1/045 B03C1/002 B03C1/015 C10G32/02 C10G67/02

    Abstract: The removal of particulate solids containing iron sulfides from hydrogenated coal liquids by magnetic separation is improved by pretreatment of the liquid with a gas mixture containing hydrogen and hydrogen sulfide. The coal-derived liquid is contacted with the gas mixture containing at least about 2 vol. % hydrogen sulfide, with the remainder of the gas mixture comprising principally hydrogen. Residue time for the liquid-gas contact should be at least about two minutes and temperature should be less than about 650.degree.F. The treated liquid is then passed through a magnetic field having strength of at least about 3000 gauss to achieve substantial removal of sulfur-containing solids from the liquid. The magnetic solids are then removed from the separator unit, e.g., by flushing using a light solvent oil, and the remaining liquid fraction carrying less-magnetic solids is passed on to further processing.

    Abstract translation: 通过磁性分离从氢化煤液中除去含硫化铁的颗粒固体,通过用含有氢和硫化氢的气体混合物进行预处理来改进。 煤源液体与含有至少约2体积%的气体混合物接触。 %硫化氢,其余气体混合物主要包含氢气。 液 - 气接触的残留时间应至少约两分钟,温度应小于约650°F。然后将处理过的液体通过强度至少约为3000高斯的磁场,以实质上除去硫 来自液体的固体。 然后将磁性固体从分离器单元中除去,例如通过使用轻质溶剂油冲洗,并将携带较少磁性固体的剩余液体馏分转移至进一步处理。

    Desulfurizing fossil fuels
    26.
    发明授权
    Desulfurizing fossil fuels 失效
    化石燃料脱硫

    公开(公告)号:US4210526A

    公开(公告)日:1980-07-01

    申请号:US915905

    申请日:1978-06-16

    Applicant: Rollan Swanson

    Inventor: Rollan Swanson

    CPC classification number: C10G19/067 C10G29/10

    Abstract: Hydrated alkali metal sulfides used to remove sulfur from fossil fuels to form alkali metal polysulfides which are recycled to alkali metal sulfides and elemental sulfur by thermal or thermal reduced pressure decomposition of the alkali metal polysulfides or by conversion of the hydrolysis products entirely by H.sub.2 S.

    Abstract translation: 用于从化石燃料中除去硫的水合碱金属硫化物以形成碱金属多硫化物,其通过碱金属多硫化物的热或热减压分解或通过完全由H 2 S转化水解产物而再循环至碱金属硫化物和元素硫。

    Transformer oil processing
    27.
    发明授权
    Transformer oil processing 失效
    变压器油加工

    公开(公告)号:US4140618A

    公开(公告)日:1979-02-20

    申请号:US811334

    申请日:1977-06-29

    CPC classification number: C10G27/04 C10G2400/12

    Abstract: A transformer oil processing sequence is disclosed. The process comprises contacting a naphthenic based oil with an oxygen-containing gas in the presence of a free radical initiating catalyst under mild oxidation conditions of temperature and pressure, fractionally distilling the resultant product and then hydrogenating the oil.

    Abstract translation: 公开了变压器油处理顺序。 该方法包括在温和和压力的温和氧化条件下,在自由基引发催化剂的存在下,使环烷基油与含氧气体接触,分馏出所得产物,然后使油氢化。

    Crude oil distillation process
    28.
    发明授权
    Crude oil distillation process 失效
    原油开采过程

    公开(公告)号:US4082653A

    公开(公告)日:1978-04-04

    申请号:US742415

    申请日:1976-11-17

    CPC classification number: C10G31/08 C10G7/00

    Abstract: Heated hydrocarbon crude oil is passed into a first flash zone wherein it is separated into a first flash vapor and a first flash liquid. First flash vapor is water washed to remove soluble contaminants, and the resulting wash water and the first flash liquid are passed to a desalter. First flash liquid having substantial freedom from water soluble contaminants is passed from the desalter into a second flash zone wherein it is separated into a second flash vapor and a second flash liquid. The second flash liquid is passed into a conventional fractionation zone comprising a crude column and a vacuum column.

    Process for treating sulfur-containing hydrocarbon feedstocks to produce
high yield coke
    30.
    发明授权
    Process for treating sulfur-containing hydrocarbon feedstocks to produce high yield coke 失效
    用于处理含硫烃原料以生产高产率焦炭的方法

    公开(公告)号:US4051014A

    公开(公告)日:1977-09-27

    申请号:US500439

    申请日:1974-08-26

    CPC classification number: C10B55/00 B01J23/28 C10G27/12 C10G55/04

    Abstract: A process for producing coke from sulfur-containing hydrocarbon feedstocks which involves contacting at least a portion of the feedstock with a peroxy oxidant in the presence of a metal-containing catalyst to preferentially oxidize a portion of the hydrocarbon feedstock, subjecting the feedstock to coking conditions to form coke and recovering a coke product. The present process can provide improved yields of coke having substantially reduced sulfur content.

    Abstract translation: 一种从含硫烃原料生产焦炭的方法,其包括在含金属催化剂存在下使至少一部分原料与过氧化剂接触,以优先氧化一部分烃原料,使原料经受焦化条件 形成焦炭并回收焦炭产品。 本方法可以提供具有显着降低的硫含量的改善的焦炭产率。

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