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    • 5. 发明授权
    • Nitrogen resistant paraffin hydroisomerization catalysts
    • 耐氮石蜡加氢异构化催化剂
    • US4814543A
    • 1989-03-21
    • US138749
    • 1987-12-28
    • Nai Y. ChenWilliam E. GarwoodSharon B. McCullen
    • Nai Y. ChenWilliam E. GarwoodSharon B. McCullen
    • B01J29/66B01J29/70B01J29/74C07C5/27C10G45/64C07C5/13
    • C10G45/64B01J29/064B01J29/67B01J29/7484B01J29/7492C07C5/2791B01J2229/42
    • The present invention includes a process and catalyst composition for paraffinic isomerization of a hydrocarbon feedstock which has a paraffin content having no more than 20 carbon atoms per molecule. The feedstock is contacted with a crystalline aluminosilicate zeolite catalyst having pore openings defined by: (1) a ratio of sorption of n-hexane to o-xylene, on a volume percent basis, of greater than about 3, which sorption is determined at a P/P.sub.o of 0.1 and at a temperature of 50.degree. C. for n-hexane and 80.degree. C. for o-xylene and (2) by the ability of selectively cracking 3-methylpentane (3MP) in preference to the doubly branched 2,3-dimethylbutane (DMB) at 1000.degree. F. and 1 atmosphere pressure from a 1/1/1 weight ratio mixture of n-hexane/3-methyl-pentane/2,3-dimethylbutane, with the ratio of rate constants k.sub.3MP/ k.sub.DMB determined at a temperature of 1000.degree. F. being in excess of about 2, e.g., ZSM-22, ZSM-23, AXM-35 and mixtures thereof, in combination with a Group VIII metal, and having a zeolite SiO.sub.2 /Al.sub.2 O.sub.3 ratio of at least about 20:1 at a temperature and pressure suitable for isomerization.
    • 本发明包括用于烃原料的链烷烃异构化的方法和催化剂组合物,其具有每分子具有不超过20个碳原子的链烷烃含量。 原料与具有孔开口的结晶铝硅酸盐沸石催化剂接触,所述沸石催化剂的定义如下:(1)正丁烷与邻二甲苯的吸附比例,以体积百分数计,大于约3,该吸附在 P / Po为0.1,温度为50℃,正己烷和80℃为邻二甲苯,(2)选择性裂解3-甲基戊烷(3MP)优于双支链2 ,三甲基丁烷(DMB)在1000°F和1大气压下,由正己烷/ 3-甲基戊烷/ 2,3-二甲基丁烷的1/1/1重量比混合物与速率常数比例k3MP / kDMB在1000°F的温度下测定为超过约2,例如ZSM-22,ZSM-23,AXM-35及其混合物,与VIII族金属组合,并具有SiO 2 / Al 2 O 3沸石 在适于异构化的温度和压力下至少约20:1的比例。
    • 10. 发明授权
    • Apparatus for FCC process with catalyst separation
    • FCC催化分离装置
    • US4971766A
    • 1990-11-20
    • US437064
    • 1989-11-16
    • Nai Y. ChenBilly K. HuhThomas E. Degnan
    • Nai Y. ChenBilly K. HuhThomas E. Degnan
    • C10G11/18
    • C10G11/18
    • An FCC or fluidized catalytic cracking process and apparatus for converting heavy metals laden crudes is disclosed. The heavy feed, conventional catalyst and an additive or vanadium getter contact the feed in a riser reactor. The additive is segregated from conventional FCC catalyst upstream of the conventional FCC regenerator. An elutriating, upflow riser reactor may be used with a coarse, rapidly settling getter. A fine, slowly settling getter may be used, with getter segregation achieved by using an elutriating cyclone on the riser outlet, an elutriating catalyst stripper, a sieve, or the like. The spent getter may be used once through, regenerated in a separate getter regenerator, or used as a source of fuel. Alumina and sponge coke are preferred getters.
    • 公开了一种FCC或流化催化裂化方法和用于转化重金属负载原油的装置。 重料,常规催化剂和添加剂或钒吸附剂在提升管反应器中接触进料。 该添加剂与常规FCC再生器上游的常规FCC催化剂分离。 淘汰式上升式提升管式反应器可与粗,快速沉降的吸气剂一起使用。 可以使用细的缓慢沉降的吸气剂,通过在提升管出口,淘洗催化剂汽提器,筛子等上使用淘洗旋风来实现吸气剂分离。 废吸气剂可以一次使用,在单独的吸气剂再生器中再生,或用作燃料来源。 氧化铝和海绵焦炭是优选的吸气剂。