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14 条记录 (耗时 0.022 秒)

    Device and process for studying the behavior in circulation of multiphase effluents, application to effluents forming hydrates
    1.
    发明授权
    Device and process for studying the behavior in circulation of multiphase effluents, application to effluents forming hydrates 失效
    研究多相流出物循环行为的装置和方法，应用于形成水合物的废水

    公开(公告)号：US5522274A

    公开(公告)日：1996-06-04

    申请号：US506044

    申请日：1995-07-24

    申请人： Emmanuel Behar ,  Maurice Cessou ,  Choua Cohen ,  Alexandre Rojey ,  Michel Thomas

    发明人： Emmanuel Behar ,  Maurice Cessou ,  Choua Cohen ,  Alexandre Rojey ,  Michel Thomas

    IPC分类号： G01N11/04 ,  G01N33/00

    CPC分类号： G01N11/04

    摘要： A device for studying the behavior of a multiphase effluent in circulation includes a test pipe having two ends containing the effluent and a unit for delivering a working fluid alternately into each end of the pipe to effect movement of the effluent. The effluent to be studied which has been placed in the test pipe, is displaced according to an alternating circulation generated by injection of a working fluid into each of the ends of the pipe. A process for studying the behavior of the multiphase fluid in circulation involves placing the effluent in a test pipe, displacing the effluent in the test pipe in an alternating motion by delivering a working fluid alternately into each end of the pipe and measuring behavior of the effluent during the alternating displacement of the effluent.

    摘要翻译： 用于研究循环中多相流出物的行为的装置包括具有两端含有流出物的试管和用于将工作流体交替地输送到管的每一端以实现流出物运动的单元。 已经放置在试管中的待研究的流出物根据通过将工作流体注入到管的每个端部而产生的交替循环来移位。 用于研究循环中多相流体的行为的过程包括将流出物放置在试管中，通过将工作流体交替地输送到管的每一端并测量流出物的行为，以交替的方式移动试管中的流出物 在流出物的交替位移期间。

    Chromatographic simulated mobile bed separation process with dead volume correction using an increase in flow rate
    2.
    发明授权
    Chromatographic simulated mobile bed separation process with dead volume correction using an increase in flow rate 失效
    色谱模拟移动床分离过程与死体积校正使用流量增加

    公开(公告)号：US5582736A

    公开(公告)日：1996-12-10

    申请号：US494562

    申请日：1995-06-22

    申请人： Gerard Hotier ,  Choua Cohen ,  Nicolas Couenne ,  Jean-Michel Toussaint

    发明人： Gerard Hotier ,  Choua Cohen ,  Nicolas Couenne ,  Jean-Michel Toussaint

    IPC分类号： G01N30/00 ,  B01D15/08 ,  B01D15/18 ,  G01N30/02 ,  G01N30/44 ,  G01N30/88

    CPC分类号： B01D15/1828 ,  B01D15/40 ,  B01D2215/025

    摘要： In a simulated mobile bed separation process, perturbations are corrected in the compositions of an extract (EA) or raffinate (RB) due to the dead volume introduced by at least one recycling pump (P) or compressor for a liquid, supercritical or gaseous mixture in a closed circuit of columns. The process is characterized in that each time an extract extraction stream (EA) or that of the raffinate (RB) passes from a position immediately anterior to a position immediately posterior to each of the dead volumes in the circuit, the flow rate of the flow rate regulated recycling pump or compressor is increased for the time which the extract or raffinate remains in the position immediately posterior to the dead volume When the extract or raffinate extraction stream passes from the immediately posterior position to the dead volume to the following position, the flow rate of the recycling pump or compressor is reduced so that the flow rate regains the value which would have been applied if the dead volume had been ignored.The invention is applicable to the separation of aromatic hydrocarbons containing 8 carbon atoms.

    摘要翻译： 在模拟的移动床分离过程中，由于由用于液体，超临界或气体混合物的至少一个循环泵（P）或压缩机引入的死体积，在萃取物（EA）或萃余液（RB）的组成中校正扰动 在列的闭路中。 该方法的特征在于，每次提取物萃取流（EA）或萃余液（RB）的每一次从紧邻回路中每个死体积的位置之前的位置通过时，流量的流速 提取液或提余液保留在死体积之后的位置的时间内增加了速率调节回收泵或压缩机。当提取物或萃余液萃取物流从紧邻后位置传递至死体积至下一位置时，流量 回收泵或压缩机的速率降低，使得流量恢复如果死体积被忽略的将被应用的值。 本发明适用于分离含有8个碳原子的芳烃。

    Chromatographic simulated mobile bed separation process with dead volume correction using length reduction
    4.
    发明授权
    Chromatographic simulated mobile bed separation process with dead volume correction using length reduction 失效
    色谱模拟移动床分离过程与死体积校正使用长度减少

    公开(公告)号：US5578216A

    公开(公告)日：1996-11-26

    申请号：US494568

    申请日：1995-06-22

    申请人： Gerard Hotier ,  Choua Cohen ,  Nicolas Couenne ,  Roger-Marc Nicoud

    发明人： Gerard Hotier ,  Choua Cohen ,  Nicolas Couenne ,  Roger-Marc Nicoud

    IPC分类号： G01N30/00 ,  B01D15/08 ,  B01D15/18 ,  B01D15/40 ,  G01N30/02 ,  G01N30/44 ,  G01N30/88

    CPC分类号： B01D15/1828 ,  B01D15/40 ,  B01D2215/025

    摘要： In a simulated mobile bed separation process, perturbations are corrected in the compositions of an extract (EA) or raffinate (RB) due to the dead volume introduced by at least one recycling pump (P) or compressor for a liquid, supercritical or gaseous mixture in a closed circuit of column sections. The volume of the section immediately upstream of the dead volume is reduced by an appropriate value when said dead volume is located downstream of this section and upstream of the extraction streams of said section, or the volume of the section immediately downstream of the dead volume is reduced by an appropriate value when the dead volume is located downstream of the injection streams into said section and upstream of this section.The invention is applicable to the separation of isomers of aromatic hydrocarbons containing 8 carbon atoms.

    摘要翻译： 在模拟的移动床分离过程中，由于由用于液体，超临界或气体混合物的至少一个循环泵（P）或压缩机引入的死体积，在萃取物（EA）或萃余液（RB）的组成中校正扰动 在柱段的闭合回路中。 当死体积位于该部分的下游和所述部分的提取物流的上游时，紧死死体积上游的部分的体积减小适当的值，或紧靠死体积下游的部分的体积为 当死体积位于注入流的下游进入所述部分和该部分的上游时，减小适当的值。 本发明适用于分离含有8个碳原子的芳烃的异构体。

    Process for regulating at least one fluid flow circulating in a simulated moving bed chromatographic separation loop
    6.
    发明授权
    Process for regulating at least one fluid flow circulating in a simulated moving bed chromatographic separation loop 失效
    用于调节在模拟移动床色谱分离回路中循环的至少一种流体流的方法

    公开(公告)号：US5685992A

    公开(公告)日：1997-11-11

    申请号：US773782

    申请日：1996-12-26

    申请人： Choua Cohen ,  Robert Jacob ,  Gerard Bureau du Colombier ,  Gerard Hotier

    发明人： Choua Cohen ,  Robert Jacob ,  Gerard Bureau du Colombier ,  Gerard Hotier

    IPC分类号： B01D15/18 ,  C07C7/135 ,  B01D15/08

    CPC分类号： B01D15/1828 ,  C07C7/135 ,  B01D2215/023

    摘要： A process for regulating at least one flow of at least one fluid or effluent circulating in a simulated moving bed comprising columns which form a closed loop containing at least one device such as a recycling pump introducing a pressure anisotropy. Every time an injection or extraction point passes from one part of the pump to the other, a control device which controls a fluid flow regulating means for the fluid under consideration, regulated about a set value, is caused to stop regulation temporarily, and substantially simultaneously the regulating means is placed in a position which allows it to approach the desired value, preferably to reach the desired flow rate and to begin to regulate the flow rate about the desired set value, to keep the flow rates in all the zones in a simulated moving bed constant. The process is especially applicable Application to the separation of para-xylene from a mixture of xylenes.

    摘要翻译： 用于调节在模拟移动床中循环的至少一种流体或流出物的至少一个流的方法，所述流体或流出物包括形成闭合回路的塔，所述闭合回路包含至少一个装置，例如引入压力各向异性的再循环泵。 每当注射或提取点从泵的一部分通过到另一部分时，控制装置将控制被考虑的流体的流体流动调节装置约为设定值，以暂时地，基本同时地停止调节 调节装置被放置在允许其接近期望值的位置，优选地达到期望的流速并开始调节围绕期望的设定值的流速，以将模拟的所有区域中的流速保持在模拟 移动床不变。 该方法特别适用于从二甲苯混合物中分离对二甲苯。

    Hydrocarbon middle distillates composition containing nitrogen-containing additives for decreasing its cloud point
    9.
    发明授权
    Hydrocarbon middle distillates composition containing nitrogen-containing additives for decreasing its cloud point 失效
    含有含氮添加剂的烃中间馏分组合物用于降低其浊点

    公开(公告)号：US4652273A

    公开(公告)日：1987-03-24

    申请号：US737133

    申请日：1985-05-23

    申请人： Paul Maldonado ,  Robert Leger ,  Choua Cohen ,  Bernard Sillion

    发明人： Paul Maldonado ,  Robert Leger ,  Choua Cohen ,  Bernard Sillion

    IPC分类号： C10L1/18 ,  C10L1/188 ,  C10L1/22 ,  C10L1/224 ,  C10L1/2383

    CPC分类号： C10L1/224 ,  C10L1/2383

    摘要： A hydrocarbon middle distillate contains an additive for decreasing its cloud point, obtained by reacting an aliphatic dicarboxylic compound selected from the maleic and alkylmaleic anhydrides, the alkenylsuccinic and polyalkenylsuccinic anhydrides and the corresponding dicarboxylic acids and lower alkyl diesters with a compound of the formula:R--Z--(CH.sub.2).sub.n NH].sub.m HorHO--CH.sub.2 --R.sup.5 --NH.sub.2wherein R is a monovalent saturated aliphatic radical, Z is NR' or O, R' being hydrogen or an aliphatic radical, n is an integer from 2 to 4, m is zero or an integer from 1 to 4 and R.sup.5 is a divalent saturated aliphatic radical.

    摘要翻译： 烃中间馏分含有用于降低其浊点的添加剂，其通过使选自马来酸和烷基马来酸酐的脂族二羧酸化合物，烯基琥珀酸和聚链烯基琥珀酸酐以及相应的二羧酸和低级烷基二酯与下式化合物反应获得：RZ - （CH2）nNH] mH或HO-CH2-R5-NH2，其中R是一价饱和脂族基，Z是NR'或O，R'是氢或脂族基，n是2至4的整数，m 为0或1〜4的整数，R5为二价饱和脂肪族基团。

    N-Substituted succinimides, their preparation and use as motor fuel additives
    10.
    发明授权
    N-Substituted succinimides, their preparation and use as motor fuel additives 失效
    N-取代的琥珀酰亚胺，其制备和用作汽油添加剂

    公开(公告)号：US4422856A

    公开(公告)日：1983-12-27

    申请号：US234134

    申请日：1981-02-13

    申请人： Paul Maldonado ,  Choua Cohen ,  Bernard Sillion

    发明人： Paul Maldonado ,  Choua Cohen ,  Bernard Sillion

    IPC分类号： C07D207/40 ,  C07D207/416 ,  C08G65/32 ,  C08G65/332 ,  C08G65/333 ,  C10L1/22 ,  C10L1/224

    CPC分类号： C07D207/416 ,  C08G65/3324 ,  C08G65/33306 ,  C10L1/224

    摘要： N-substituted succinimides are obtained by reacting in a first stage, maleic anhydride with an oxyalkylated or polyoxyalkylated monoalcohol of formulaR.sup.1 --O--A.sub.n OHwherein R.sup.1 is an aliphatic radical having from 12 to 25 carbon atoms, A is an alkylene radical having 2 to 4 carbon atoms and n is an integer from 1 to 50, and by further reacting the reaction product of the first stage either with a monoprimary amine of formulaR.sup.2 --X--Z.sub.m NH.sub.2or a bi-primary amine of the formulaH.sub.2 N--Z--NH.sub.p H,wherein R.sup.2 is an aliphatic radical having from 8 to 25 carbon atoms, Z is an alkylene radical having from 2 to 4 carbon atoms, X is --NH-- or --O--, m is an integer from 0 to 4 and p an integer from 2 to 6.The resultant succinimides are useful as anti-rust and detergent additives for motor fuels.

    摘要翻译： N-取代的琥珀酰亚胺通过在第一阶段中与马来酸酐与式R 1 -O-OH的烷氧基化或聚氧化烷基化的一元醇反应来获得，其中R1是具有12-25个碳原子的脂族基团，A是具有2个 至4个碳原子，n是1至50的整数，并且通过使第一阶段的反应产物与式R2-X-Zm NH2的单原子胺或式H2N-Z的双伯胺进一步反应 -NHp H，其中R2是具有8至25个碳原子的脂族基团，Z是具有2至4个碳原子的亚烷基，X是-NH-或-O-，m是0-4的整数，以及 p为2至6的整数。所得琥珀酰亚胺可用作汽车燃料的防锈和洗涤剂添加剂。