Process for deep desulphurization of cracking gasolines with a small loss of octane number
    1.
    发明授权
    Process for deep desulphurization of cracking gasolines with a small loss of octane number 有权
    裂解汽油的深度脱硫方法,辛烷值的损失小

    公开(公告)号:US08066869B2

    公开(公告)日:2011-11-29

    申请号:US11984329

    申请日:2007-11-15

    Abstract: The invention relates to a treatment process of a sulphur-containing hydrocarbon fraction, comprising the following steps: a) a hydrodesulphurization step of said hydrocarbon fraction to produce a sulphur-depleted effluent, consisting of passing the hydrocarbon fraction mixed with hydrogen over at least one hydrodesulphurization catalyst. b) a step of separation of the partially desulphurized hydrocarbon fraction from the hydrogen introduced in excess, as well as the H2S formed in step a). c) a step of collecting both mercaptans and thiophenic compounds, consisting of placing the partially desulphurized hydrocarbon fraction originating in step b) in contact with an adsorbent comprising at least one element chosen from the group constituted by the elements of groups VIII, IB, IIB and IVA, the adsorbent being used in reduced form in the absence of hydrogen at a temperature above 40° C., the metal content in the reduced form of the adsorbent being above 25% by weight.

    Abstract translation: 本发明涉及含硫烃馏分的处理方法,包括以下步骤:a)所述烃馏分的加氢脱硫步骤以产生贫硫流出物,其包括将与氢气混合的烃馏分通过至少一种 加氢脱硫催化剂。 b)部分脱硫的烃馏分与过量引入的氢以及步骤a)中形成的H 2 S分离的步骤。 c)收集硫醇和噻吩化合物的步骤,其包括将源自步骤b)的部分脱硫烃馏分与包含至少一种选自由VIII,IB,IIB族元素组成的组的吸附剂接触 和IVA,吸附剂在不存在氢气的情况下以40℃以上的还原形式使用,还原形式的吸附剂中的金属含量高于25重量%。

    Process for desulphurizing olefinic gasolines to limit the mercaptans content
    2.
    发明授权
    Process for desulphurizing olefinic gasolines to limit the mercaptans content 有权
    用于脱硫烯烃汽油以限制硫醇含量的方法

    公开(公告)号:US08034233B2

    公开(公告)日:2011-10-11

    申请号:US11487605

    申请日:2006-07-17

    Abstract: The invention concerns a process for hydrodesulphurizing a gasoline containing less than 0.1% by weight of sulphur derived from a catalytic cracking unit or other conversion units, said process comprising at least one hydrodesulphurization reactor using a bimetallic catalyst operating at a HSV in the range 0.1 h−1 to 20 h−1, a temperature in the range 220° C. to 350° C. and a pressure in the range 0.1 MPa to 5 MPa, and comprising recycling a fraction of the desulphurized gasoline to the inlet to the hydrodesulphurization reactor with a recycle ratio in the range 0.1 to 3 times the flow rate of the gasoline to be desulphurized.

    Abstract translation: 本发明涉及一种加氢脱硫含有少于0.1重量%的衍生自催化裂化装置或其它转化装置的硫的汽油的方法,所述方法包括至少一个加氢脱硫反应器,该反应器使用在HSV下操作的双金属催化剂,范围为0.1h -1至20h -1,温度范围为220℃至350℃,压力范围为0.1MPa至5MPa,并且包括将一部分脱硫汽油循环到加氢脱硫反应器的入口 其循环比在待脱硫汽油流量的0.1〜3倍的范围内。

    Process for desulphurizing a hydrocarbon feed by adsorption/desorption
    3.
    发明授权
    Process for desulphurizing a hydrocarbon feed by adsorption/desorption 有权
    通过吸附/解吸脱硫烃进料的方法

    公开(公告)号:US07744748B2

    公开(公告)日:2010-06-29

    申请号:US10898185

    申请日:2004-07-26

    CPC classification number: C10G67/16 C10G25/12

    Abstract: A process for reducing the quantity of sulphur present in a hydrocarbon feed such as a gasoline or a gas oil, comprises: d) bringing said feed containing sulphur-containing compounds into contact with an adsorbent having a selectivity for sulphur-containing compounds under conditions for producing, at the outlet from the contact zone, a desulphurized effluent which is collected, said adsorption being carried out in the liquid phase or in the gas phase; e) gas phase desorption of the sulphur-containing compounds present on said adsorbent using a hydrogen-containing gaseous fluid derived from a hydrodesulphurization zone to obtain a gaseous effluent comprising hydrogen and desorbed sulphur-containing compounds; sending the gaseous effluent from step b) to said hydrodesulphurization zone and desulphurizing it therein.

    Abstract translation: 减少烃原料如汽油或瓦斯油中存在的硫的量的方法包括:d)使含有硫化合物的进料与含硫化合物选择性的吸附剂接触, 在接触区的出口处产生收集的脱硫流出物,所述吸附在液相或气相中进行; e)使用来自加氢脱硫区的含氢气体流体对存在于所述吸附剂上的含硫化合物进行气相解吸,以获得包含氢气和解吸的含硫化合物的气态流出物; 将来自步骤b)的气态流出物送至所述加氢脱硫区并在其中脱硫。

    Selective hydrogenation process employing a catalyst with a specific support
    4.
    发明授权
    Selective hydrogenation process employing a catalyst with a specific support 失效
    使用具有特定载体的催化剂的选择性氢化方法

    公开(公告)号:US07736492B2

    公开(公告)日:2010-06-15

    申请号:US11642974

    申请日:2006-12-21

    Abstract: A process for jointly carrying out selective hydrogenation of polyunsaturated compounds into monounsaturated compounds contained in gasolines, and for transforming light sulphur-containing compounds into heavier compounds by reaction with unsaturated compounds, said process employing a supported catalyst comprising at least one metal from group VIB and at least one non-noble metal from group VIII used in the sulphurized form, deposited on a specific support comprising a metal aluminate of the MAl2O4 type with a metal M selected from the group constituted by nickel and cobalt, and comprising bringing the feed into contact with the catalyst at a temperature in the range of 80° C. to 220° C. at a liquid hourly space velocity in the range of 1 h−1 to 10 h−1 and at a pressure in the range of 0.5 to 5 MPa.

    Abstract translation: 一种将多不饱和化合物选择氢化成汽油中所含的单不饱和化合物的方法,以及通过与不饱和化合物反应将轻质含硫化合物转化成较重的化合物的方法,所述方法采用包含至少一种VIB族金属的载体催化剂和 至少一种以硫化形式使用的来自第VIII族的非贵金属,沉积在包含MA1204型金属铝酸盐的特定载体上,其中金属M选自镍和钴构成的组,并且包括使进料接触 催化剂的温度在80℃至220℃的范围内,液时空速为1h-1至10h-1,压力为0.5至5MPa 。

    Selective hydrogenation process employing a catalyst having a controlled porosity
    5.
    发明授权
    Selective hydrogenation process employing a catalyst having a controlled porosity 有权
    选择性氢化方法采用具有受控孔隙率的催化剂

    公开(公告)号:US07718053B2

    公开(公告)日:2010-05-18

    申请号:US11642976

    申请日:2006-12-21

    Abstract: A process for jointly carrying out selective hydrogenation of polyunsaturated compounds into monounsaturated compounds contained in gasolines, and for transforming light sulphur-containing compounds into heavier compounds by reaction with unsaturated compounds employing a supported catalyst, comprising at least one metal from group VIB and at least one non-noble metal from group VIII used in the sulphurized form deposited on a support and having a controlled porosity, and comprising bringing the feed into contact with the catalyst at a temperature in the range of 80° C. to 220° C. at a liquid hourly space velocity in the range of 1 h−1 to 10 h−1 and at a pressure in the range of 0.5 to 5 MPa.

    Abstract translation: 一种将多不饱和化合物选择氢化成汽油中所含的单不饱和化合物的方法,以及使用负载型催化剂与不饱和化合物反应,将轻含硫化合物转化为较重的化合物的方法,所述催化剂包含至少一种来自VIB族的金属,至少 用于硫化形式的第VIII族的一种非贵金属沉积在载体上并具有受控的孔隙率,并且包括使进料在80℃至220℃的温度范围内与催化剂接触 在1小时-1至10小时-1的范围内的液时空速和0.5-5MPa的压力。

    Desulphurization process comprising a transformation step and a step for extracting sulphur-containing compounds
    6.
    发明授权
    Desulphurization process comprising a transformation step and a step for extracting sulphur-containing compounds 有权
    脱硫方法包括转化步骤和提取含硫化合物的步骤

    公开(公告)号:US07670477B2

    公开(公告)日:2010-03-02

    申请号:US11643945

    申请日:2006-12-22

    Abstract: A process and the use of a process for desulphurizing a hydrocarbon feed is described which comprises at least one of the following steps: A a step for selective hydrogenation of diolefins present in said initial hydrocarbon feed, in the presence of a catalyst comprising a metal from group VIII of the periodic table on an inert support based on metal oxides, in the presence of a quantity of hydrogen which is in excess with respect to the stoichiometric value necessary for hydrogenating all of said diolefins, the mole ratio between the hydrogen and the diolefins being in the range 1 to 5; b) Extraction, using an appropriate solvent, of said hydrogenated fraction to obtain at least two cuts including: a raffinate comprising the majority of the olefins, paraffins and naphthenes and a reduced quantity of sulphur-containing compounds contained in the initial feed; a heavy fraction containing the heavy aromatic hydrocarbons and the majority of the sulphur-containing compounds contained in the initial feed; C a step for regenerating the solvent by distillation; at least two of steps A, B and C being carried out jointly.

    Abstract translation: 描述了一种方法和使用一种用于对烃进料进行脱硫的方法,其包括以下步骤中的至少一个:在存在催化剂的情况下,存在于所述初始烃进料中的二烯烃的选择性氢化步骤,所述催化剂包含来自 在相对于氢化所有二烯烃所需的化学计量值过量的氢气存在下,基于金属氧化物的惰性载体上的元素周期表VIII族,氢和二烯烃之间的摩尔比 在1到5的范围内; b)使用合适的溶剂萃取所述氢化馏分以获得至少两个馏分,包括:包含大部分烯烃,链烷烃和环烷烃的萃余液和初始进料中所含的含硫化合物的量减少; 含有重芳香烃和包含在初始进料中的大部分含硫化合物的重馏分; C通过蒸馏再生溶剂的步骤; 步骤A,B和C中的至少两个共同执行。

    Process for desulfurization of gasolines
    7.
    发明授权
    Process for desulfurization of gasolines 有权
    汽油脱硫工艺

    公开(公告)号:US07435334B2

    公开(公告)日:2008-10-14

    申请号:US10896859

    申请日:2004-07-23

    CPC classification number: C10G29/205 C10G53/02

    Abstract: The invention relates to a process for the production of a gasoline with a low sulfur content starting from an initial gasoline that comprises olefins, thiophene compounds and mercaptans and comprises a stage for treating at least one fraction of the initial gasoline under conditions of alkylation of the thiophene compounds by the olefins, a stage for treating at least one fraction of the effluent that is obtained from the preceding stage under conditions of addition of the olefins to the mercaptans, and a distillation stage for obtaining a light fraction that is low in thiophene compounds and mercaptans, and a heavy fraction that is high in sulfur.

    Abstract translation: 本发明涉及从含有烯烃,噻吩化合物和硫醇的初始汽油开始生产具有低硫含量的汽油的方法,并且包括在烷基化的条件下处理至少一部分初始汽油的阶段 噻吩化合物,用于在向硫醇中加入烯烃的条件下处理从前一阶段获得的至少一部分流出物的阶段,以及用于获得噻吩化合物低的轻馏分的蒸馏阶段 和硫醇,以及硫含量高的重馏分。

    Process for desulfurization comprising a stage for selective hydrogenation of diolefins and a stage for extraction of sulfur-containing compounds
    8.
    发明授权
    Process for desulfurization comprising a stage for selective hydrogenation of diolefins and a stage for extraction of sulfur-containing compounds 有权
    脱硫方法,包括二烯烃的选择性氢化阶段和萃取含硫化合物的阶段

    公开(公告)号:US07270737B2

    公开(公告)日:2007-09-18

    申请号:US10705868

    申请日:2003-11-13

    CPC classification number: C10G67/04

    Abstract: For desulfurization of a hydrocarbon-containing feedstock, at least one stage for selective hydrogenation of diolefins present in the initial hydrocarbon feedstock, in the presence of a catalyst of group VIII of the period table, and a stage for extraction by a solvent of the resultant hydrogenated fraction under conditions that provide at least two fractions: a raffinate that comprises for the most part olefins, paraffins and naphthenes and a reduced amount of sulfur-containing compounds that are contained in the initial feedstock, a fraction that contains the majority of the aromatic hydrocarbons and the majority of the sulfur-containing compounds contained in the initial feedstock.

    Abstract translation: 对于含烃原料的脱硫,存在于初始烃原料中的二烯烃的选择性氢化的至少一个阶段,在周期表的VIII族催化剂存在下,以及由所得到的溶剂萃取的阶段 在提供至少两个馏分的条件下的氢化馏分:包含大部分烯烃,链烷烃和环烷烃的萃余液和包含在初始原料中的减少量的含硫化合物,含有大部分芳族烃的馏分 碳氢化合物和包含在初始原料中的大部分含硫化合物。

    Novel process for desulphurizing gasoline by converting sulphur-containing compounds to higher boiling point compounds
    10.
    发明申请
    Novel process for desulphurizing gasoline by converting sulphur-containing compounds to higher boiling point compounds 有权
    通过将含硫化合物转化为高沸点化合物来脱硫汽油的新方法

    公开(公告)号:US20070023324A1

    公开(公告)日:2007-02-01

    申请号:US11405676

    申请日:2006-04-18

    Applicant: Florent Picard

    Inventor: Florent Picard

    CPC classification number: C10G17/095 C10G25/05

    Abstract: A process for desulphurizing a gasoline cut containing olefins, sulphur-containing compounds and optionally molecules belonging to C3 and C4 cuts comprises at least a first step A for contacting said gasoline cut with an acidic resin having an acid capacity of more than 4.7 equivalents per kg and a specific surface area of less than 55 m2/g, and a second step B for fractionation of the mixture from the first step.

    Abstract translation: 含有烯烃,含硫化合物和任选地分别属于C3和C4馏分的汽油馏分的脱硫方法包括至少第一步骤A,用于使所述汽油馏分与酸容量大于4.7当量/ kg的酸性树脂接触 和小于55m 2 / g的比表面积,以及用于从第一步骤分馏混合物的第二步骤B.

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