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    • 6. 发明授权
    • Storage and transport of gas hydrates as a slurry suspenion under
metastable conditions
    • 在亚稳态条件下储存和运输天然气水合物作为浆液悬浮液
    • US6082118A
    • 2000-07-04
    • US111212
    • 1998-07-07
    • Fred P. EndrizziRobert F. HeinemannDavid Da-Teh HuangJinping LongRoland B. SaegerAnthony A. Urbanelli
    • Fred P. EndrizziRobert F. HeinemannDavid Da-Teh HuangJinping LongRoland B. SaegerAnthony A. Urbanelli
    • F17C11/00C07C9/00
    • F17C11/007
    • A suitable slurry composition allows gas hydrates to be stored or transported under metastable conditions. The slurry includes gas hydrate particles and a carrier liquid for the gas hydrate particles. Suitable carrier liquids have a specific gravity in the range from about 0.6 to about 2, a pour point below about -20.degree. C. a viscosity of about 10 centipoise or less, and a thermal conductivity lower than that of the gas hydrate particles. The slurry can be stored or transported in a system that includes a container for holding the slurry; a device for agitating the slurry while in the container (e.g., a mixing blade, a rotating screw, a reciprocating box beam, or an ultrasound generator); a device for removing excess carrier liquid from the container while it is loaded or being loaded with gas hydrates and/or carrier liquid (e.g., a skimming device or a drain); and a device for reslurrifying the gas hydrates with carrier liquid before or during unloading of the gas hydrates from the container (e.g., a carrier liquid injection nozzle).
    • 合适的浆料组合物允许气体水合物在亚稳态下储存或运输。 浆料包括气体水合物颗粒和用于气体水合物颗粒的载体液体。 合适的载体液体的比重在约0.6至约2的范围内,倾点低于约-20℃,粘度为约10厘泊或更小,导热率低于气体水合物颗粒的热导率。 浆料可以在包括用于保持浆料的容器的系统中储存或运输; 在容器(例如混合叶片,旋转螺杆,往复式箱梁或超声波发生器)中搅拌浆料的装置; 用于在装载或装载气体水合物和/或载体液体(例如撇取装置或排水管)时从容器中除去多余载液的装置; 以及用于在从容器(例如,载液注射喷嘴)卸载气体水合物之前或期间,用载液使气体水合物再次充气的装置。
    • 9. 发明授权
    • Process for the conversion of C5 linear olefins to tertiary alkyl ethers
    • 将C5直链烯烃转化为叔烷基醚的方法
    • US5420360A
    • 1995-05-30
    • US112286
    • 1993-08-27
    • Arthur A. ChinRoland B. SaegerJames A. StoosRobert A. Ware
    • Arthur A. ChinRoland B. SaegerJames A. StoosRobert A. Ware
    • C07C41/06
    • C07C41/06C07C41/42Y02P20/127
    • A process is disclosed for producing alkyl tertiary alkyl ether such as TAME from alkanol and hydrocarbon feedstock containing linear olefins, iso-olefins, linear alkanes and iso-alkanes such as C5 streams from FCC. The process selectively etherifies iso-olefins in a plural stage etherification zone whose linear olefin-containing effluent is treated by distillation to remove iso-alkanes, and alkanol before passing to a skeletal isomerization zone using constrained intermediate pore size zeolite catalyst such as ZSM-22, ZSM-23, or ZSM-35, which converts linear olefins to iso-olefins which are cycled for etherification. The use of distillation to remove iso-alkanes and alkanol reduces mass flow to the etherification process and minimizes skeletal isomerization catalyst poisoning by alkanol, without resort to water extraction processes which require subsequent treatment of the isomerization zone feed to remove water.
    • 公开了一种从链烷醇生产烷基叔烷基醚如TAME的方法,以及含有直链烯烃,异烯烃,直链烷烃和异烷烃如FCC的C5流的烃原料。 该方法选择性地醚化多级醚化区中的异烯烃,其直链烯烃流出物通过蒸馏处理以除去异烷烃,和链烷醇在使用约束的中等孔径沸石催化剂如ZSM-22进入骨架异构化区之前 ,ZSM-23或ZSM-35,其将线性烯烃转化为异烯烃,其循环用于醚化。 使用蒸馏来除去异烷烃和链烷醇减少了醚化过程的质量流动,并且使骨架异构化催化剂由链烷醇中毒最小化,而不用采用需要随后处理异构化区域进料以除去水的水提取方法。