IMPROVED CATALYTIC REFORMING PROCESS
    31.
    发明申请
    IMPROVED CATALYTIC REFORMING PROCESS 审中-公开
    改进的催化改性方法

    公开(公告)号:WO2002094967A1

    公开(公告)日:2002-11-28

    申请号:PCT/US2001/016999

    申请日:2001-05-24

    CPC classification number: C10G35/085 C10G35/04 C10G35/09

    Abstract: A substantially water-free hydrocarbon feed is charged to a multiple-reactor reformer system being operated under reforming conditions and comprising at least two reformer reactors (20), (40), and (54) serially connected in fluid-flow communication and each containing a reformer catalyst; and, simultaneously with the charging step, a chloriding agent is sequentially introduced in lines (72), (74), and (76), without simultaneously introducing water, immediately upstream from the inlets of all the reformer reactors in an amount and for a period of time that are effective to inhibit the deactivation of the reformer catalyst.

    Abstract translation: 将基本上无水的烃进料加入到在重整条件下操作的多重反应器重整器系统中,并且包括至少两个在流体流动连通中串联连接的重整器反应器(20),(40)和(54),每个包含 重整催化剂; 并且与充电步骤同时,在管线(72),(74)和(76)中顺序地引入氯化剂,而不需要在所有重整器反应器的入口的上游同时引入水量,并且为 有效抑制重整器催化剂失活的时间段。

    METHOD AND APPARATUS FOR CONTROLLING CONDENSATION OF GASEOUS HYDROCARBON STREAM
    35.
    发明申请
    METHOD AND APPARATUS FOR CONTROLLING CONDENSATION OF GASEOUS HYDROCARBON STREAM 审中-公开
    控制气体烃流体冷凝的方法和装置

    公开(公告)号:WO1998026243A1

    公开(公告)日:1998-06-18

    申请号:PCT/US1997018899

    申请日:1997-10-14

    Abstract: In a cryogenic condensation scheme used for benzene removal in a process for liquefying natural gas, two series connected separation columns (10, 12) are provided with a feedstream (44) precooled in a heat exchanger (16) to a temperature that will at least condense the benzene component. In the first column (50), benzene is absorbed and vapor/liquid is separated with the liquid passed to the second column (60). The second column (60) provides an overhead vapor stream (68) conserved for processing to LNG, and a bottom stream comprising NGL. The cooling for condensation of gaseous feed in the heat exchanger is controlled by automatically manipulating bypass flow (38) around the heat exchanger responsive to measured vapor flow (80) from the second separation column. Accordingly, the amount of liquid (36) condensed is responsive to the flow rate of vapor withdrawn overhead from the second separation column.

    Abstract translation: 在用于液化天然气的方法中用于苯去除的低温冷凝方案中,两个串联的分离塔(10,12)设置有在热交换器(16)中预冷却的进料流(44)至少至少 冷凝苯成分。 在第一列(50)中,苯被吸收并且蒸汽/液体被分离,液体通过第二塔(60)。 第二列(60)提供保存用于LNG处理的顶部蒸气流(68)和包含NGL的底部流。 通过根据来自第二分离塔的测量的蒸汽流(80)自动地操纵热交换器周围的旁路流(38)来控制热交换器中气态进料冷凝的冷却。 因此,冷凝的液体(36)的量响应于从第二分离塔排出的蒸气的流速。

    CORE-IN-SHELL HEAT EXCHANGERS FOR MULTISTAGE COMPRESSORS
    36.
    发明申请
    CORE-IN-SHELL HEAT EXCHANGERS FOR MULTISTAGE COMPRESSORS 审中-公开
    多层压缩机的核心换热器

    公开(公告)号:WO1998002698A1

    公开(公告)日:1998-01-22

    申请号:PCT/US1997009937

    申请日:1997-06-11

    Abstract: In multistage refrigeration compression (10), where liquid refrigerant withdraw from a core-in-shell type heat exchanger (40) connected to a high compression stage (16) is passed to a similar exchanger (70) connected to a lower compression stage (14), liquid level stability in the higher compression stage exchanger (40) is improved by providing an enlarged surge volume. A baffle plate (50) transversing a lower portion of the shell divides the shell into a cooling zone that contains the cores, and a discharge zone that is part of the surge volume. The height of the baffle is selected to facilitate maintenance of at least a minimum functional liquid level in the shell. Liquid refrigerant withdrawn from the discharge zone of the high-stage shell is supplied to the cooling zone of a shell connected to a lower compression stage. The liquid level in the shell is maintained by manipulating flow to liquid refrigerant that is flashed into the cooling zone of the higher compression stage shell.

    Abstract translation: 在多级制冷压缩(10)中,从连接到高压缩级(16)的壳内型换热器(40)中抽出的液态制冷剂被传送到与低压级(16)连接的类似的交换器(70) 通过提供增大的浪涌体积来改善较高压缩级交换器(40)中的液位稳定性。 穿过壳体下部的挡板(50)将壳体分成包含芯体的冷却区域和作为浪涌体积的一部分的排放区域。 选择挡板的高度以便于维持壳中的至少最小功能液位。 从高级壳体的排放区域排出的液体制冷剂被供给到连接到较低压缩级的壳体的冷却区域。 通过操纵流入冷却到较高压缩级壳体的冷却区域中的液体制冷剂来维持壳体中的液位。

    TREATING CRACKING TUBE FOR THERMAL CRACKING TO REDUCE CARBON MONOXIDE AND/OR COKE FORMATION
    37.
    发明申请
    TREATING CRACKING TUBE FOR THERMAL CRACKING TO REDUCE CARBON MONOXIDE AND/OR COKE FORMATION 审中-公开
    用于热破碎处理破碎管以减少一氧化碳和/或焦化形成

    公开(公告)号:WO1997045506A1

    公开(公告)日:1997-12-04

    申请号:PCT/US1997006598

    申请日:1997-04-21

    CPC classification number: C10G9/16 Y10S585/95

    Abstract: A thermal cracking process is provided which comprises contacting a thermal cracking furnace with a fluid stream which comprises steam and a polysulfide such as di-t-nonylpolysulfide under a condition sufficient to effect the suppression of the formation of carbon monoxide and thereafter introducing a steam fluid containing a saturated hydrocarbon such as ethane and a polysulfide such as di-t-nonylpolysulfide under a condition sufficient to convert the saturated hydrocarbon to an olefinic compound such as ethylene.

    Abstract translation: 提供了一种热裂解方法,其包括在足以抑制一氧化碳形成的条件下使热裂解炉与包含蒸汽和多硫化物如二叔壬基多硫化物的流体流接触,然后引入蒸汽流体 在足以将饱和烃转化为烯烃化合物如乙烯的条件下,含有饱和烃如乙烷和多硫化物如二叔壬基多硫化物。

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