Two-stage etherification of tertiary butyl alcohol using second stage
zeolite catalysts for the intermediate preparation of isobutylene
    1.
    发明授权
    Two-stage etherification of tertiary butyl alcohol using second stage zeolite catalysts for the intermediate preparation of isobutylene 失效
    使用第二阶段沸石催化剂对二丁基二醇进行二阶段醚化,用于中间体制备异丁烯

    公开(公告)号:US5856588A

    公开(公告)日:1999-01-05

    申请号:US774339

    申请日:1996-12-30

    摘要: Methyl tertiary butyl ether is prepared from tertiary butyl alcohol and methanol in a plural stage process by (a) reacting tertiary butyl alcohol with methanol in a primary MTBE reaction zone containing a cationic ion-exchange resin catalyst to form a primary reaction product, (b) fractionating the primary reaction product in a primary distillation zone to provide a first lighter, lower boiling distillation fraction comprising isobutylene, methanol and methyl tertiary butyl ether and a first heavier, higher boiling distillation fraction comprising methanol, tertiary butyl alcohol and water, c) contacting the first heavier distillation fraction in a second stage reactor containing a second stage acidic, fluoride-treated Y-zeolite having a silica:alumina ratio of 100:1 to 10:1 and a unit cell size of from 24.20 to 24.45 .ANG. or a fluoride-treated silicoaluminophosphate (SAPO) molecular sieve having a pore size of from 5 .ANG. to 8 .ANG., under conversion conditions including a temperature of from 20.degree. to 300.degree. C. and a pressure of from 0 to 1000 psig to form a second stage reaction product rich in isobutylene and also containing methyl tertiary butyl ether; and (d) converting the isobutylene to additional methyl tertiary butyl ether.

    摘要翻译: (a)在含有阳离子离子交换树脂催化剂的初级MTBE反应区中使叔丁醇与甲醇反应形成初级反应产物(b),由叔丁醇和甲醇在多级方法中制备甲基叔丁基醚 )在一级蒸馏区中分馏初级反应产物以提供包含异丁烯,甲醇和甲基叔丁基醚的第一种较轻的低沸点馏分和包含甲醇,叔丁醇和水的第一较重较高沸点馏分,c) 在第二级反应器中接触第一较重蒸馏馏分,该第二级反应器含有二氧化硅:氧化铝比为100:1至10:1的第二阶段酸性,氟化物处理的Y-沸石,以及单位晶胞尺寸为24.20至24.45ng / 氟化物处理的硅铝磷酸盐(SAPO)分子筛,其孔径为5至8安培姆,转化条件包括 温度为20-300℃,压力为0-1000psig,形成富含异丁烯并含甲基叔丁基醚的第二阶段反应产物; 和(d)将异丁烯转化成另外的甲基叔丁基醚。

    Method for the purification of tertiary butyl alcohol for use in the
manufacture of methyl tertiary butyl ether
    2.
    发明授权
    Method for the purification of tertiary butyl alcohol for use in the manufacture of methyl tertiary butyl ether 失效
    纯化用于制备甲基叔丁基醚的叔丁醇的方法

    公开(公告)号:US5792890A

    公开(公告)日:1998-08-11

    申请号:US792033

    申请日:1997-02-03

    IPC分类号: C07C29/88 C07C41/06 C07C41/09

    CPC分类号: C07C41/09 C07C29/88 C07C41/06

    摘要: A tertiary butyl alcohol charge stock contaminated with from about 0.5 to about 2 wt. % of corrosive oxygen-containing impurities, including peroxides and formates, is passed through an oxygenates decomposition reactor containing a bed of a basic zeolite catalyst to decompose the peroxides and oxygen-containing impurities, including peroxides and formates, and to dehydrate a portion of the tertiary butyl alcohol to form isobutylene and water to form a substantially less-corrosive tertiary butyl alcohol feedstock that is substantially free from oxygen-containing impurities, including formates that is suitable for reaction with methanol in a methyl tertiary butyl ether etherification reactor to form a methyl tertiary butyl ether etherification reaction product from which methyl tertiary butyl ether can be recovered.

    摘要翻译: 叔丁醇装料被约0.5至约2wt。 含有过氧化物和甲酸盐的含腐蚀性含氧杂质的%通过含有碱性沸石催化剂床的含氧化合物分解反应器,以分解过氧化物和含氧杂质,包括过氧化物和甲酸盐,并使部分 叔丁醇形成异丁烯和水,以形成基本上不含氧的杂质的基本上较低腐蚀性的叔丁醇原料,包括适用于在甲基叔丁基醚醚化反应器中与甲醇反应形成甲基 可以回收甲基叔丁基醚的叔丁基醚醚化反应产物。

    Method for the manufacture of methyl tertiary butyl ether from tertiary
butyl alcohol and methanol
    4.
    发明授权
    Method for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanol 失效
    从叔丁醇和甲醇制备甲基叔丁基醚的方法

    公开(公告)号:US5744652A

    公开(公告)日:1998-04-28

    申请号:US815984

    申请日:1997-03-10

    IPC分类号: C07C41/06 C07C41/09 C07C41/00

    CPC分类号: C07C41/06 C07C41/09

    摘要: Methyl tertiary butyl ether is prepared from TBA contaminated with oxygen-containing impurities by decomposing the impurities to gaseous products, by charging the thus-treated tertiary butyl alcohol and methanol to an etherification reactor to form an etherification reaction product, by distilling the etherification reaction product to provide a lower boiling fraction containing isobutylene, methanol and methyl tertiary butyl ether by charging the lower boiling fraction to a finishing reactor to react the isobutylene and methanol contained therein to from additional MTBE and by recovering MTBE from the etherification reaction product and the isobutylene conversion product.

    摘要翻译: 通过将这样处理的叔丁醇和甲醇装入醚化反应器中以形成醚化反应产物,通过蒸馏醚化反应产物来制备甲基叔丁基醚,由被含氧杂质污染的TBA通过将杂质分解成气体产物 通过将低沸点馏分装入精整反应器以提供含有异丁烯,甲醇和甲基叔丁基醚的较低沸点馏分,使来自其它MTBE的异丁烯和甲醇反应,并从醚化反应产物中回收MTBE和异丁烯转化 产品。

    Method of preparing a catalyst for use in the hydrotreating of high boiling hydrocarbon feedstocks
    5.
    发明授权
    Method of preparing a catalyst for use in the hydrotreating of high boiling hydrocarbon feedstocks 失效
    制备用于加氢处理高沸点烃原料的催化剂的方法

    公开(公告)号:US06387248B2

    公开(公告)日:2002-05-14

    申请号:US08965261

    申请日:1997-11-06

    IPC分类号: C10G4504

    摘要: A catalyst characterized by its ability to hydrotreat a charge hydrocarbon feed containing components boiling above 1000° F., and sediment-formers, sulfur, metals, asphaltenes, carbon residue, and nitrogen is prepared by mulling a porous alumina support with a salt of a Group VIII metal oxide and with a salt of a Group VI-B metal oxide in the presence of an acid to provide a mixture, by extruding the mixture to form an extrudate, by drying the extrudate and by subjecting the dried extrudate to hydrothermal calcination to provide the catalyst.

    摘要翻译: 一种催化剂,其特征在于其加氢处理含有沸点高于1000°F的成分的含烃烃进料,以及沉淀物,硫,金属,沥青质,碳残余物和氮的能力,该多孔氧化铝载体与 VIII族金属氧化物和VI-B族金属氧化物的盐,在酸的存在下通过挤出所述混合物形成挤出物,通过干燥挤出物并将干燥的挤出物经受水热煅烧 提供催化剂。

    Single-step process to upgrade naphthas to an improved gasoline blending
stock
    7.
    发明授权
    Single-step process to upgrade naphthas to an improved gasoline blending stock 失效
    将石脑油升级至改进的汽油调和料的单步过程

    公开(公告)号:US5690810A

    公开(公告)日:1997-11-25

    申请号:US338308

    申请日:1994-11-14

    CPC分类号: C10G35/095 C10G45/64

    摘要: Disclosed is a one-step process intended as an alternative to catalytic reforming which upgrades naphthas by simultaneously saturating aromatics, isomerizing paraffins and selectively cracking heavier hydrocarbons which comprises contacting heavy naphtha feedstock in a reforming zone with a catalyst comprising a solid acid, optionally with a binder of Group III and/or IV of the Periodic Table, having a metal from Group VIII of the Periodic Table deposited thereon, wherein the reaction conditions are much milder than those typically used in catalytic reforming.

    摘要翻译: 公开了用于催化重整的替代方法的一步法,该方法通过同时使芳烃,芳烃化烷烃异构化和选择性裂化重质烃来提炼石脑油,其包括将重质烃区中的重质石脑油原料与包含固体酸的催化剂,任选地与 具有周期表第VIII族金属的第III族和/或IV族的粘合剂,其中反应条件比通常用于催化重整的反应条件要温和得多。

    FCC process using binary molecular sieves having a core and shell of
different structures and compositions
    8.
    发明授权
    FCC process using binary molecular sieves having a core and shell of different structures and compositions 失效
    FCC方法使​​用具有不同结构和组成的核和壳的二元分子筛

    公开(公告)号:US5972205A

    公开(公告)日:1999-10-26

    申请号:US81754

    申请日:1998-05-20

    摘要: Disclosed is a novel binary sieve catalyst useful for olefin upgrading and fluid catalytic cracking which comprisesa crystalline zeolite metallosilicate core and a shell selected from an aluminum phosphate molecular sieve (AlPO.sub.4), a silicon-substituted aluminophosphate (SAPO), a metal aluminophosphate (MeAPO), and a crystalline metal aluminophosphate (MeAPSO) and is generally synthesized by a method comprising:adding a powdered form of crystalline zeolite metallosilicate into an aqueous slurry comprising phosphoric acid, alumina source, metal salt and an amine, mixing the slurry for 1 to 12 hours in a Teflon liner at room temperature, sealing said slurry in an autoclave and placing said slurry in an oven at 130.degree. C. to 240.degree. C. for 12-168 hours to form said binary molecular sieve catalyst, washing and drying the product, calcining the product at 530 to 570.degree. C. in nitrogen for 5-15 hours, calcining the product in air for 1 to 3 hours to burn off the template.

    摘要翻译: 公开了一种用于烯烃提质和流化催化裂化的新型二元筛催化剂,其包括结晶沸石金属硅酸盐芯和选自磷酸铝分子筛(AlPO 4),硅取代磷酸铝(SAPO),金属磷酸铝(MeAPO) )和结晶金属磷酸铝(MeAPSO),并且通常通过以下方法合成,所述方法包括:将粉末形式的结晶沸石金属硅酸盐添加到包含磷酸,氧化铝源,金属盐和胺的含水浆料中,将所述浆料混合1 在室温下在特氟龙衬里中12小时,将所述浆料密封在高压釜中,并将所述浆料置于130℃至240℃的烘箱中12-168小时以形成所述二元分子筛催化剂,洗涤并干燥 产物,在530〜570℃的氮气中煅烧产物5-15小时,在空气中煅烧产物1〜3小时,烧掉模板。

    Binary molecular sieves having a core and shell of different structures
and compositions
    9.
    发明授权
    Binary molecular sieves having a core and shell of different structures and compositions 失效
    二元分子筛具有不同结构和组成的核和壳

    公开(公告)号:US5888921A

    公开(公告)日:1999-03-30

    申请号:US548065

    申请日:1995-10-25

    摘要: Disclosed is a novel binary sieve catalyst useful for olefin upgrading and fluid catalytic cracking which comprises a crystalline zeolite metallosilicate core and a shell selected from an aluminum phosphate molecular sieve (AlPO.sub.4), a silicon-substituted aluminophosphate (SAPO), a metal aluminophosphate (MeAPO), and a crystalline metal aluminophosphate (MeAPSO) and is generally synthesized by a method comprising:adding a powdered form of crystalline zeolite metallosilicate into an aqueous slurry comprising phosphoric acid, alumina source, metal salt and an amine, mixing the slurry for 1 to 12 hours in a Teflon liner at room temperature, sealing said slurry in an autoclave and placing said slurry in an oven at 130.degree. C. to 240.degree. C. for 12-168 hours to form said binary molecular sieve catalyst, washing and drying the product, calcining the product at 530.degree. to 570.degree. C. in nitrogen for 5-15 hours, calcining the product in air for 1 to 3 hours to burn off the template.

    摘要翻译: 公开了一种用于烯烃提质和流化催化裂化的新型二元筛催化剂,其包括结晶沸石金属硅酸盐芯和选自磷酸铝分子筛(AlPO 4),硅取代磷酸铝(SAPO),金属磷酸铝(MeAPO) )和结晶金属磷酸铝(MeAPSO),并且通常通过以下方法合成,所述方法包括:将粉末形式的结晶沸石金属硅酸盐添加到包含磷酸,氧化铝源,金属盐和胺的含水浆料中,将所述浆料混合1 在室温下在特氟龙衬里中12小时,将所述浆料密封在高压釜中,并将所述浆料置于130℃至240℃的烘箱中12-168小时以形成所述二元分子筛催化剂,洗涤并干燥 产物,在530〜570℃,氮气中煅烧产物5-15小时,在空气中煅烧产物1〜3小时,烧掉模板。

    Hydroconversion process employing catalyst with specified pore size
distribution, median pore diameter by surface area, and pore mode by
volume
    10.
    发明授权
    Hydroconversion process employing catalyst with specified pore size distribution, median pore diameter by surface area, and pore mode by volume 失效
    使用具有规定孔径分布的催化剂,表面积中值孔径和体积孔模式的加氢转化方法

    公开(公告)号:US5928499A

    公开(公告)日:1999-07-27

    申请号:US581082

    申请日:1995-12-29

    摘要: A process for hydrotreating a hydrocarbon feed containing components boiling above 1000.degree. F. and sulfur, metals and carbon residue utilizing a heterogeneous catalyst having a specified pore size distribution, median pore diameter by surface area and pore mode by volume, to give a product containing a decreased content of components boiling above 1000.degree. F. and decreased sulfur, metals and carbon residue is disclosed. The process includes contacting the hydrocarbon feed with hydrogen in the presence of the catalyst at isothermal hydroconversion conditions. The catalyst includes an porous alumina support containing less than or equal to 2.5 wt % silica on the finished catalyst basis, and bearing 2.2 to 6 wt % of a Group VIII metal oxide, 7 to 24 wt % of a Group VIB metal oxide and preferably less than 0.2 wt % of a phosphorous oxide. The catalyst may be characterized as having a Total Surface Area of 215 to 245 m.sup.2 /g, a Total Pore Volume of 0.82 to 0.98 cc/g, a Median Pore Diameter by Surface Area of 91 to 104 .ANG., and a Pore Diameter Distribution in which 22.0 to 33.0% of the total Pore Volume is present as macropores of a diameter greater than 250 .ANG., 67.0 to 78.0% of the Total Pore Volume is present as micropores of a diameter less that 250 .ANG.. Greater than or equal to 65% of the micropore volume is present as micropores having a diameter +/-25 .ANG. about a Pore Mode by volume of 86-99 .ANG.. Less than 0.08 cc/g of the micropore volume is present in micropores with diameters less than 80 .ANG..

    摘要翻译: 使用具有特定孔径分布,中值孔径,表面积和孔体积的多相催化剂,加氢处理含有沸点高于1000°F的组分的烃进料和硫,金属和碳残渣的方法,得到含 公开了沸点高于1000°F的组分含量降低,硫,金属和碳残余物减少。 该方法包括在等温加氢转化条件下,在催化剂存在下使烃进料与氢气接触。 催化剂包括在最终催化剂基础上含有小于或等于2.5重量%二氧化硅的多孔氧化铝载体,并且含有2.2-6重量%的VIII族金属氧化物,7-24重量%的VIB族金属氧化物,优选 小于0.2重量%的氧化磷。 催化剂的特征在于总表面积为215至245m 2 / g,总孔体积为0.82至0.98cc / g,表面积为91至104的中间孔直径和孔径直径分布 总孔径的22.0至33.0%作为直径大于250埃的大孔存在,总孔径的67.0至78.0%作为直径小于250安培的微孔存在。 大于或等于65%的微孔体积作为微孔存在,其具有关于体积为86-99安培的孔径模式的直径+/- 25安培。 小于0.08cc / g的微孔体积存在于直径小于80安培的微孔中。