METHOD FOR PURIFYING CYCLIC KETONES
    14.
    发明申请
    METHOD FOR PURIFYING CYCLIC KETONES 有权
    纯化循环克隆的方法

    公开(公告)号:US20090326277A1

    公开(公告)日:2009-12-31

    申请号:US12306807

    申请日:2007-06-27

    Abstract: The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with at least one acid and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization, Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one acid for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with the acid.

    Abstract translation: 本发明涉及一种纯化包含至少一种具有7至16个碳原子的环酮的组合物(I)的方法,其包括用至少一种酸对组合物(I)进行热处理,并进一步通过 选自蒸馏,萃取和结晶的方法。此外,本发明涉及一种制备环十二烷酮的方法,其包括这种纯化,以及使用至少一种酸来纯化至少包含(I)的组合物 一种具有7-16个碳原子的环酮,通过组合物(I)与酸的热处理。

    METHOD FOR THE PRODUCTION OF CYCLIC KETONES
    15.
    发明申请
    METHOD FOR THE PRODUCTION OF CYCLIC KETONES 失效
    生产环状酮的方法

    公开(公告)号:US20090326276A1

    公开(公告)日:2009-12-31

    申请号:US12306827

    申请日:2007-06-27

    Abstract: The present invention relates to a process for preparing a cyclic ketone having from 7 to 16 carbon atoms, which comprises at least the steps(a) oxidation of a composition (I) comprising at least one cyclic alkene which has from 7 to 16 carbon atoms and at least one C—C double bond by means of dinitrogen monoxide to give a composition (A),(b) treatment of the composition (A) with at least one base to give a composition (B),(c) hydrogenation of the composition (B) in the presence of at least one catalyst to give a composition (C),(d) purification of the composition (C), comprising at least the steps(di) thermal treatment of the composition (C) with at least one acid or at least one catalyst comprising at least one transition metal,(dii) further purification by a method selected from the group consisting of distillation, extraction and crystallization.

    Abstract translation: 本发明涉及一种制备具有7至16个碳原子的环酮的方法,其至少包括步骤(a)氧化包含至少一个具有7至16个碳原子的环烯烃的组合物(I) 和至少一个CC双键,得到组合物(A),(b)用至少一种碱处理组合物(A),得到组合物(B),(c)组合物的氢化 (B)在至少一种催化剂的存在下,得到组合物(C),(d)组合物(C)的纯化,至少包括步骤(ii)组合物(C)的热处理至少一种 酸或至少一种包含至少一种过渡金属的催化剂,(dii)通过选自蒸馏,萃取和结晶的方法进一步纯化。

    METHOD FOR PURIFYING CYCLIC KETONES
    16.
    发明申请
    METHOD FOR PURIFYING CYCLIC KETONES 有权
    纯化循环克隆的方法

    公开(公告)号:US20090318733A1

    公开(公告)日:2009-12-24

    申请号:US12306815

    申请日:2007-06-27

    Abstract: The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with a catalyst comprising at least one transition metal and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization. Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one catalyst comprising at least one transition metal for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with a catalyst comprising at least one transition metal.

    Abstract translation: 本发明涉及一种纯化包含至少一种具有7至16个碳原子的环酮的组合物(I)的方法,其包括用包含至少一种过渡金属的催化剂热处理组合物(I)并进一步纯化 通过选自蒸馏,萃取和结晶的方法。 此外,本发明涉及一种制备环十二烷酮的方法,其包括这种纯化,以及至少一种包含至少一种过渡金属的催化剂用于纯化组合物(I)的用途,所述组合物(I)包含至少一种具有7〜 16个碳原子通过用包含至少一种过渡金属的催化剂热处理组合物(I)。

    Preparation of ketones
    17.
    发明授权
    Preparation of ketones 失效
    酮的制备

    公开(公告)号:US4950763A

    公开(公告)日:1990-08-21

    申请号:US381469

    申请日:1989-07-18

    CPC classification number: B01J23/04 C07C45/48 C07D213/50

    Abstract: Ketones of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 independently of one another are each alkyl, cycyloalkyl, arylalkyl, aryl or hetaryl, and one or more of the radicals R.sup.1 and R.sup.2 carry one or more hydrogen atoms on the .alpha.-carbon atom, are prepared by reacting two carboxylic acids of the general formulae (IIa/IIb), R.sup.1 --COOH (IIa) and R.sup.2 --COOH (IIb) or by reacting a carboxylic acid R.sup.1 --COOH (IIa) and a ketone ##STR2## or by reacting a mixture of IIa, IIb and Ib, in the gas phase in the presence of a catalyst, by a process in which a catalyst is used whose active material contains at least 50% by weight of titanium dioxide having a specific surface area greater than 10 m.sup.2 /g.0.

    Abstract translation: 其中R 1和R 2彼此独立地为烷基,氰基烷基,芳基烷基,芳基或杂芳基的通式(I)的酮,其中R 1和R 2中的一个或多个携带一个或多个氢原子 通过使通式(IIa / IIb),R1-COOH(IIa)和R2-COOH(IIb)的两种羧酸反应或通过使羧酸R1-COOH(IIa)和 酮(Ib)或IIa,IIb和Ib的混合物在气相中,在催化剂存在下,通过使用活性物质含有至少50重量%的催化剂的方法 的比表面积大于10m 2 / g的二氧化钛。

    Non-chemical, mechanical procedure for the devulcanization of scrap rubber and/or elastomers and apparatus therefor
    18.
    发明授权
    Non-chemical, mechanical procedure for the devulcanization of scrap rubber and/or elastomers and apparatus therefor 有权
    用于废橡胶和/或弹性体的脱硫的非化学,机械方法及其设备

    公开(公告)号:US08957119B2

    公开(公告)日:2015-02-17

    申请号:US13558880

    申请日:2012-07-26

    Applicant: Harald Rust

    Inventor: Harald Rust

    Abstract: Method of devulcanizing rubber and/or elastomers without the need for a chemical agent, in which method the vulcanized rubber and/or elastomers are fed into a planetary roller extruder, which planetary roller extruder has a housing, a central spindle, two groups of planetary roller spindles, and a dispersion ring disposed about the central spindle and between the two groups of planetary spindles. Mechanical and thermal stress is generated on the vulcanized rubber and/or elastomers by kneading and/or crushing the vulcanized rubber and/or elastomers using the central spindle and the planetary spindles, and by forcing the vulcanized rubber and/or elastomers through the dispersion ring, which is designated to substantially restrict passage of the vulcanized rubber and/or elastomers therethrough. The mechanical and thermal stress alone is sufficient to break or destroy the molecular chains or bonds of the vulcanized rubber and/or elastomers.

    Abstract translation: 将橡胶和/或弹性体脱硫而不需要化学试剂的方法,其中将硫化橡胶和/或弹性体进料到行星辊挤出机中,该行星辊式挤出机具有壳体,中心心轴,两组行星 辊心轴,以及围绕中心心轴和两组行星主轴之间布置的分散环。 在硫化橡胶和/或弹性体上通过使用中心心轴和行星心轴捏合和/或破碎硫化橡胶和/或弹性体并通过迫使硫化橡胶和/或弹性体通过分散环产生机械和热应力 ,其被指定为基本上限制硫化橡胶和/或弹性体通过其的通道。 单独的机械和热应力足以破坏或破坏硫化橡胶和/或弹性体的分子链或键。

    Dividing wall column
    20.
    发明授权
    Dividing wall column 失效
    分隔墙柱

    公开(公告)号:US06958111B2

    公开(公告)日:2005-10-25

    申请号:US09847299

    申请日:2001-05-03

    CPC classification number: B01D3/141 B01D3/146

    Abstract: In a dividing wall column comprising as segments a) an upper column region (6), b) an inflow section (7), c) an offtake section (8) and d) a lower column region (9), the inflow section b) (7) and the offtake section c) (8) are separated from one another laterally by a dividing wall (10) fixed in the column and the dividing wall (10) is located between the upper column region a) (6) and the lower column region d) (9). The present invention provides for the dividing wall (10) to be constructed at least partly of an elastic material, the dividing wall (10) to have a slightly overdimensional width and the dividing wall (10) to be fixed in the column by the dividing wall exercising an elastic recovery force on the interior wall of the column. The dividing wall can easily be installed in, in particular, relatively small columns.

    Abstract translation: 在分隔壁柱中,包括a)上列区域(6),b)流入部分(7),c)脱出部分(8)和d)下部列区域(9),流入部分b )(7)和收拢部分c)(8)通过固定在塔中的分隔壁(10)横向隔开,分隔壁(10)位于上列区域a)(6)和 下列区域d)(9)。 本发明提供了至少部分地由弹性材料构成的分隔壁(10),该分隔壁(10)具有稍微过度的宽度,并且该分隔壁(10)通过分开固定在该塔中 墙壁在柱的内壁上弹性恢复力。 分隔壁可以容易地安装在特别是相对较小的柱中。

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