PROCESS FOR PRODUCING PROPYLENE OXIDE
    1.
    发明申请
    PROCESS FOR PRODUCING PROPYLENE OXIDE 审中-公开
    生产丙烯氧化物的方法

    公开(公告)号:US20120130096A1

    公开(公告)日:2012-05-24

    申请号:US13388704

    申请日:2010-08-04

    CPC classification number: C07D301/12 Y02P20/52 Y02P20/582

    Abstract: A multiple liquid phase composition and process for preparing propylene oxide including a reaction mixture of: (a) propylene, (b) at least one peroxide compound, (c) at least one catalyst, such as a titanium silicalite-1 (TS-I) catalyst, and (d) and a predetermined amount of a solvent mixture; wherein the solvent mixture comprises at least (i) at least one alcohol, such as methanol, and (ii) at least one non-reactive co-solvent; wherein the solvents are mixed at a predetermined concentration; wherein the non-reactive co-solvent has a different boiling point than propylene oxide; and wherein the resulting propylene oxide product partitions into a high affinity solvent during the reaction. The process of the present invention advantageously produces a waste stream with little or no significant amount of sodium chloride (NaCl).

    Abstract translation: 一种多液相组合物和制备环氧丙烷的方法,包括以下反应混合物:(a)丙烯,(b)至少一种过氧化物,(c)至少一种催化剂,例如钛硅沸石-1(TS-1 )催化剂,和(d)和预定量的溶剂混合物; 其中所述溶剂混合物包含至少(i)至少一种醇,例如甲醇,和(ii)至少一种非反应性助溶剂; 其中所述溶剂以预定浓度混合; 其中所述非反应性助溶剂具有不同于环氧丙烷的沸点; 并且其中所得环氧丙烷产物在反应期间分成高亲和力溶剂。 本发明的方法有利地产生具有很少或没有显着量的氯化钠(NaCl)的废物流。

    Process for producing epoxides from olefinic compounds
    2.
    发明授权
    Process for producing epoxides from olefinic compounds 有权
    从烯烃化合物生产环氧化物的方法

    公开(公告)号:US07981951B2

    公开(公告)日:2011-07-19

    申请号:US12304924

    申请日:2007-06-19

    CPC classification number: C07D301/12 C07D303/38

    Abstract: A process for producing an epoxide such as a cycloaliphatic diepoxide by the reaction of an olefin such as a cycloaliphatic diene with hydrogen peroxide (H2O2) as an oxidant in the presence of a catalytic system under pH control for example at a pH of less than about 5. The present invention is advantageously used for the epoxidation of olefinic compounds such as olefins and aliphatic or aromatic dienes.

    Abstract translation: 在pH控制下,例如在小于约pH的pH控制下,在催化体系存在下,通过烯烃如脂环族二烯与过氧化氢(H 2 O 2)作为氧化剂的反应来制备环氧化物如环脂族二环氧化物的方法, 本发明有利地用于烯烃化合物如烯烃和脂族或芳族二烯烃的环氧化。

    Process for the preparation of olefin oxides
    4.
    发明授权
    Process for the preparation of olefin oxides 有权
    烯烃氧化物的制备方法

    公开(公告)号:US07442817B1

    公开(公告)日:2008-10-28

    申请号:US09627306

    申请日:2000-07-27

    CPC classification number: C07D301/12

    Abstract: A process in continuous is described for the preparation of oxides of olefins by the direct epoxidation of an olefin with hydrogen peroxide, or compounds capable of producing hydrogen peroxide under the reaction conditions, in a solvent medium, in the presence of a catalytic system consisting of a zeolite containing titanium and a nitrogenated organic base having formula (I).The process allows the production of high conversions and selectivities of the olefin into the corresponding oxide with a stable catalytic activity over a period of time.

    Abstract translation: 描述了连续的方法,通过在溶剂介质中,在催化体系存在下,用过氧化氢直接环氧化烯烃或在反应条件下能够产生过氧化氢的化合物来制备烯烃氧化物,催化体系由 含有钛的沸石和具有式(I)的氮化有机碱。 该方法允许将烯烃的高转化率和选择性在一段时间内以稳定的催化活性生成相应的氧化物。

    PROCESS FOR PRODUCING AN OXIRANE
    5.
    发明申请
    PROCESS FOR PRODUCING AN OXIRANE 有权
    生产氧化锡的方法

    公开(公告)号:US20120130095A1

    公开(公告)日:2012-05-24

    申请号:US13388723

    申请日:2010-08-04

    CPC classification number: C07D301/12 Y02P20/52

    Abstract: A multiple liquid phase composition and process for preparing an oxirane product, such as epichlorohydrin, including a reaction mixture of: (a) at least one olefin, wherein the olefin is selected from one of (i) an aliphatic olefin or substituted aliphatic olefin, with the proviso that the aliphatic olefin is not propylene, (ii) a cycloaliphatic olefin, (iii) an aromatic olefin, (iv) a cycloaromatic olefin, and (v) mixtures thereof; (b) at least one peroxide compound, (c) at least one catalyst, and (d) and a solvent mixture; wherein the solvent mixture comprises at least (i) at least one alcohol or a combination of alcohols, and (ii) at least one non-reactive co-solvent; wherein the solvents are mixed at a predetermined concentration; wherein the non-reactive co-solvent has a different boiling point than the oxirane product; and wherein the oxirane product partitions into a high affinity solvent during the reaction. The process of the present invention advantageously produces a waste stream with no significant amount of sodium chloride (NaCl). In one embodiment, the present invention includes a process for preparing epichlorohydrin from allyl chloride and hydrogen peroxide including reacting (a) an allyl chloride with (b) hydrogen peroxide, in the presence of (c) a titanium silicalite-1 (TS-1) catalyst and (d) in the presence of a predetermined amount of a mixed solvent system; wherein the mixed solvent system includes at least (i) methanol and (ii) at least one non-reactive co-solvent.

    Abstract translation: 一种多液相组合物和用于制备环氧乙烷产物如表氯醇的方法,包括:(a)至少一种烯烃的反应混合物,其中烯烃选自(i)脂族烯烃或取代的脂族烯烃, 条件是脂族烯烃不是丙烯,(ii)脂环族烯烃,(iii)芳族烯烃,(iv)环芳烃烯烃和(v)它们的混合物; (b)至少一种过氧化物化合物,(c)至少一种催化剂和(d)和溶剂混合物; 其中所述溶剂混合物包含至少(i)至少一种醇或醇的组合,和(ii)至少一种非反应性助溶剂; 其中所述溶剂以预定浓度混合; 其中所述非反应性助溶剂具有与环氧乙烷产物不同的沸点; 并且其中环氧乙烷产物在反应期间分成高亲和力溶剂。 本发明的方法有利地产生没有显着量氯化钠(NaCl)的废物流。 在一个实施方案中,本发明包括由烯丙基氯和过氧化氢制备环氧氯丙烷的方法,包括在(c)钛硅沸石-1(TS-1)存在下,使(a)烯丙基氯与(b)过氧化氢反应 )催化剂和(d)在预定量的混合溶剂体系的存在下; 其中所述混合溶剂系统至少包括(i)甲醇和(ii)至少一种非反应性助溶剂。

    Integrated process for the preparation of olefin oxides
    7.
    发明授权
    Integrated process for the preparation of olefin oxides 有权
    用于制备烯烃氧化物的综合方法

    公开(公告)号:US06888013B2

    公开(公告)日:2005-05-03

    申请号:US10343832

    申请日:2001-08-06

    CPC classification number: C01B15/013 C01B15/029 C07D301/12 Y02P20/125

    Abstract: The present invention relates to an integrated process for the preparation in continuous of epoxides which comprises: (a) preparing an alcoholic or hydro-alcoholic solution of hydrogen peroxide in a concentration of over 3% by weight, using a gaseous stream containing hydrogen, oxygen and an inert gas, in the presence of a bimetallic catalyst based on palladium and platinum as active components; (b) putting the alcoholic or hydro-alcoholic solution of hydrogen peroxide obtained in step (a) in contact with an olefin and a buffering agent, in the presence of an epoxidation catalyst suspended in the reaction solvent, in order to obtain a reaction mixture containing the epoxide corresponding to the olefin, water and alcoholic solvent; (c) treating the alcoholic stream leaving step (b), after separation of the epoxide, in order to eliminate the nitrogenated compounds present; (d) feeding the alcoholic solvent obtained in (c) to step (a). The process may comprise a further step (e), wherein the raw hydro-alcoholic mixture of the flash column bottom, is used, when necessary, for diluting the alcoholic or hydro-alcoholic solution of hydrogen peroxide obtained in step (a) to the value required by the epoxidation plant. The process operates under high safety conditions and with a high overall efficiency, in terms of productivity and selectivity.

    Abstract translation: 本发明涉及连续制备环氧化物的一体化方法,其包括:(a)使用含氢,氧气的气流制备浓度超过3重量%的过氧化氢的醇或醇 - 醇溶液 和在基于钯和铂作为活性组分的双金属催化剂存在下的惰性气体; (b)在悬浮在反应溶剂中的环氧化催化剂的存在下,将步骤(a)中得到的过氧化氢的醇或醇 - 醇溶液与烯烃和缓冲剂接触,以获得反应混合物 含有对应于烯烃,水和醇溶剂的环氧化物; (c)在分离环氧化物之后处理离开步骤(b)的醇流,以消除存在的含氮化合物; (d)将(c)中获得的醇溶剂进料到步骤(a)。 该方法可以包括进一步的步骤(e),其中使用闪蒸塔底的原料水 - 醇混合物,必要时,将步骤(a)中获得的过氧化氢的醇或醇 - 醇溶液稀释至 环氧化厂所要求的价值。 该工艺在高安全性条件下运行,并且在生产率和选择性方面具有较高的总体效率。

    Process for producing an oxirane
    8.
    发明授权
    Process for producing an oxirane 有权
    生产环氧乙烷的方法

    公开(公告)号:US08697895B2

    公开(公告)日:2014-04-15

    申请号:US13388723

    申请日:2010-08-04

    CPC classification number: C07D301/12 Y02P20/52

    Abstract: A multiple liquid phase composition and process for preparing an oxirane product, such as epichlorohydrin, including a reaction mixture of: (a) at least one olefin, wherein the olefin is selected from one of (i) an aliphatic olefin or substituted aliphatic olefin, with the proviso that the aliphatic olefin is not propylene, (ii) a cycloaliphatic olefin, (iii) an aromatic olefin, (iv) a cycloaromatic olefin, and (v) mixtures thereof; (b) at least one peroxide compound, (c) at least one catalyst, and (d) and a solvent mixture; wherein the solvent mixture comprises at least (i) at least one alcohol or a combination of alcohols, and (ii) at least one non-reactive co-solvent; wherein the solvents are mixed at a predetermined concentration; wherein the non-reactive co-solvent has a different boiling point than the oxirane product; and wherein the oxirane product partitions into a high affinity solvent during the reaction. The process of the present invention advantageously produces a waste stream with no significant amount of sodium chloride (NaCl). In one embodiment, the present invention includes a process for preparing epichlorohydrin from allyl chloride and hydrogen peroxide including reacting (a) an allyl chloride with (b) hydrogen peroxide, in the presence of (c) a titanium silicalite-1 (TS-1) catalyst and (d) in the presence of a predetermined amount of a mixed solvent system; wherein the mixed solvent system includes at least (i) methanol and (ii) at least one non-reactive co-solvent.

    Abstract translation: 一种多液相组合物和用于制备环氧乙烷产物如表氯醇的方法,包括:(a)至少一种烯烃的反应混合物,其中烯烃选自(i)脂族烯烃或取代的脂族烯烃, 条件是脂族烯烃不是丙烯,(ii)脂环族烯烃,(iii)芳族烯烃,(iv)环芳烃烯烃和(v)它们的混合物; (b)至少一种过氧化物化合物,(c)至少一种催化剂和(d)和溶剂混合物; 其中所述溶剂混合物包含至少(i)至少一种醇或醇的组合,和(ii)至少一种非反应性助溶剂; 其中所述溶剂以预定浓度混合; 其中所述非反应性助溶剂具有与环氧乙烷产物不同的沸点; 并且其中环氧乙烷产物在反应期间分成高亲和力溶剂。 本发明的方法有利地产生没有显着量氯化钠(NaCl)的废物流。 在一个实施方案中,本发明包括由烯丙基氯和过氧化氢制备环氧氯丙烷的方法,包括在(c)钛硅沸石-1(TS-1)存在下,使(a)烯丙基氯与(b)过氧化氢反应 )催化剂和(d)在预定量的混合溶剂体系的存在下; 其中所述混合溶剂系统至少包括(i)甲醇和(ii)至少一种非反应性助溶剂。

    Process for the production of aromatic amines
    10.
    发明授权
    Process for the production of aromatic amines 有权
    生产芳香胺的方法

    公开(公告)号:US06965053B2

    公开(公告)日:2005-11-15

    申请号:US10312349

    申请日:2001-06-29

    Abstract: A process for the production of aromatic amines which comprises the reduction of an aromatic compound containing at least two nitro groups with hydrogen in the presence of a catalyst is disclosed. The reaction is carried out so as to maintain up to 10% by weight of reaction intermediates (aminonitrites) and the solution produced is treated to recover the aromatic amine with a purity of over 99% and a mixture consisting of aromatic amine and reaction intermediates is recycled to the reactor.

    Abstract translation: 公开了一种生产芳香胺的方法,其包括在催化剂存在下用氢还原含有至少两个硝基的芳族化合物。 进行反应以保持高达10重量%的反应中间体(氨基腈),并且处理所产生的溶液以回收纯度超过99%的芳族胺,由芳族胺和反应中间体组成的混合物是 再循环到反应器。

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