Process for preparing ethylbenzene
    92.
    发明授权
    Process for preparing ethylbenzene 有权
    乙苯的制备方法

    公开(公告)号:US09193643B2

    公开(公告)日:2015-11-24

    申请号:US13518550

    申请日:2010-12-23

    IPC分类号: C07C2/66 C07C6/12 C07C2/86

    摘要: The invention relates to a process for the production of ethylbenzene which comprises: a reaction step in which benzene is reacted with ethanol, or a mixture of ethanol and ethylene, at a pressure higher than atmospheric pressure, preferably in gaseous phase or in mixed gas-liquid phase, in the presence of a catalytic system containing a zeolite belonging to the BEA family, and a separation step of the product obtained. According to a preferred aspect, ethanol deriving from biomasses is used, in particular ethanol obtained from the fermentation of sugars deriving from biomasses.

    摘要翻译: 本发明涉及一种生产乙苯的方法,该方法包括:在高于大气压,优选气相或混合气体反应器中,苯与乙醇或乙醇和乙烯的混合物反应的反应步骤, 在含有属于BEA族的沸石的催化体系的存在下,所得的产物的分离步骤。 根据优选的方面,使用衍生自生物质的乙醇,特别是从衍生自生物质的糖的发酵得到的乙醇。

    Process for the production of 1,3-butadiene
    94.
    发明授权
    Process for the production of 1,3-butadiene 有权
    1,3-丁二烯生产工艺

    公开(公告)号:US09090544B2

    公开(公告)日:2015-07-28

    申请号:US14366416

    申请日:2012-12-24

    申请人: versalis S.p.A.

    摘要: The present invention relates to a process for the production of 1,3-butadiene which comprises the following phases: a) extracting, by means of extractive distillation, in an extraction section, an end-product containing 1,3-butadiene and a raffinate product, starting from mixtures of saturated and unsaturated compounds having from 2 to 10 carbon atoms in the chain; b) sending the raffinate product to a dehydrogenation section; c) dehydrogenating the raffinate product in the dehydrogenation section in the presence of a dehydrogenation catalyst and an inert product so as to form a reaction effluent containing 1,3-butadiene; d) recirculating the reaction effluent containing 1,3-butadiene directly to the extraction section after separating the incondensable compounds.

    摘要翻译: 本发明涉及一种生产1,3-丁二烯的方法,该方法包括以下阶段:a)通过萃取蒸馏提取含有1,3-丁二烯和萃余液的最终产物 产物,从链中具有2至10个碳原子的饱和和不饱和化合物的混合物开始; b)将萃余液产品送至脱氢段; c)在脱氢段中,在脱氢催化剂和惰性产物的存在下使提余物产物脱氢,以形成含有1,3-丁二烯的反应流出物; d)在分离不可冷凝化合物之后,将含有1,3-丁二烯的反应流出物直接再循环到萃取部分。

    PROCESS FOR THE PREPARATION OF 1,3-BUTADIENE AND STYRENE COPOLYMERS AND USE THEREOF IN VULCANIZABLE ELASTOMERIC COMPOSITIONS
    95.
    发明申请
    PROCESS FOR THE PREPARATION OF 1,3-BUTADIENE AND STYRENE COPOLYMERS AND USE THEREOF IN VULCANIZABLE ELASTOMERIC COMPOSITIONS 有权
    制备1,3-丁二烯和苯乙烯共聚物的方法及其在可再生弹性体组合物中的应用

    公开(公告)号:US20140155543A1

    公开(公告)日:2014-06-05

    申请号:US14127339

    申请日:2012-06-21

    IPC分类号: C08C19/42

    摘要: A process for the preparation of a 1,3-butadiene and styrene copolymer comprising the following steps: a) anionically polymerizing a blend comprising from 5% by weight to 40% by weight of styrene and from 60% by weight to 95% by weight of 1,3-butadiene, with respect to the overall weight of the mixture, in the presence of at least one hydrocarbon solvent, of at least one lithium-based catalyst having the general formula LiR1 wherein R1 represents a linear or branched C3-C10 alkyl group, and of least one polar modifier; b) optionally, reacting the copolymer obtained in step (a) with at least one chain-end monomer selected from 1,3-butadiene, styrene and α-methylstyrene; c) reacting from 10% by weight to 70% by weight, preferably from 20% by weight to 50% by weight, of the lithium-terminated polymeric chains present in the copolymer obtained in step (a) or in step (b), with at least one coupling agent selected from liquid polyepoxides having at least three reactive sites capable of reacting with the carbon-lithium chain-ends; d) optionally, reacting the copolymer obtained in step (c) with at least one chain-end monomer selected from 1,3-butadiene, styrene and a-methylstyrene; e) reacting the linear polymeric chains remaining in the copolymer obtained in step (c) or in step (d), with at least one tin compound having the general formula XSn(R2)3 wherein X represents a halogen atom such as, for example, chlorine and R2 represents a linear or branched C1-C10 alkyl group.

    摘要翻译: 一种制备1,3-丁二烯和苯乙烯共聚物的方法,包括以下步骤:a)阴离子聚合共混物,其包含5重量%至40重量%的苯乙烯和60重量%至95重量% 的1,3-丁二烯相对于混合物的总重量,在至少一种烃溶剂的存在下,至少一种具有通式LiR1的锂基催化剂,其中R 1表示直链或支链C 3 -C 10 烷基和至少一种极性改性剂; b)任选地,使步骤(a)中获得的共聚物与至少一种选自1,3-丁二烯,苯乙烯和α-甲基苯乙烯的链端单体反应; c)使步骤(a)或步骤(b)中获得的共聚物中存在的锂封端聚合物链的重量比为10重量%至70重量%,优选20重量%至50重量% 其中至少一种偶联剂选自具有至少三个能够与碳 - 锂链端反应的活性位点的液态聚环氧化物; d)任选地,使步骤(c)中获得的共聚物与至少一种选自1,3-丁二烯,苯乙烯和α-甲基苯乙烯的链端单体反应; e)将步骤(c)或步骤(d)中获得的共聚物中剩余的线性聚合物链与至少一种具有通式XSn(R2)3的锡化合物反应,其中X表示卤素原子,例如 ,氯和R 2表示直链或支链的C 1 -C 10烷基。

    Process for the preparation of phenol from cumene
    97.
    发明授权
    Process for the preparation of phenol from cumene 有权
    从异丙苯制备苯酚的方法

    公开(公告)号:US08729315B2

    公开(公告)日:2014-05-20

    申请号:US13508619

    申请日:2010-10-29

    IPC分类号: C07C37/08

    摘要: Process for the production in continuous or semi-continuous of phenol/acetone from cumene, via cumene hydroperoxide (CHP), which comprises: a. producing CHP in an air-lift reactor in which at least the upper and/or lower part of the downcomer has a flaring; b. cleaving the cumene hydroperoxide by means of acid treatment in a loop reactor comprising two heat exchangers connected in series and wherein the feedings of CHP and fresh acetone are in pairs and each pair is positioned up-stream of each exchanger.

    摘要翻译: 由枯烯连续或半连续生产苯酚/丙酮的方法,通过氢过氧化枯烯(CHP),其包括:a。 在其中至少下降管的上部和/或下部具有扩口的空气提升反应器中产生CHP; b。 在包含串联连接的两个热交换器的环管反应器中通过酸处理裂解氢过氧化枯烯,其中CHP和新鲜丙酮的进料成对,并且每对在每个交换器的上游设置。

    PROCESS FOR THE DEPRESSURIZATION OF FLUIDS AND DEVICE SUITABLE FOR THE PURPOSE
    98.
    发明申请
    PROCESS FOR THE DEPRESSURIZATION OF FLUIDS AND DEVICE SUITABLE FOR THE PURPOSE 有权
    流体减少的流程和适用于目的的装置

    公开(公告)号:US20130333558A1

    公开(公告)日:2013-12-19

    申请号:US13976345

    申请日:2011-12-28

    IPC分类号: B01D19/00

    CPC分类号: B01D19/0042 B01D19/0057

    摘要: The device of the present invention allows the pressure of a certain fluid to be reduced without reductions in the cross sectional area or organs in movement. The pressure reduction is obtained by passing the fluid to be depressurized, in sequence, through a plurality of pairs of steps. In the first step of each pair, part of the pressure energy of the fluid is converted to gravitational potential; in the second step the gravitational potential is converted into thermal energy, so as to prevent the reconversion of the same into pressure energy.

    摘要翻译: 本发明的装置允许在不减少运动中的横截面积或器官的同时降低某一流体的压力。 通过使多个步骤顺序地使待减压的流体顺序地进行,来获得压力降低。 在每对的第一步中,流体的一部分压力能量转化为重力势; 在第二步中,重力电位转化为热能,以防止将其重新转化为压力能量。