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    Method for producing 2-methylbutanal from the secondary flows arising in the production of mixtures of isomeric alpha, beta-unsaturated decenals
    12.
    发明授权
    Method for producing 2-methylbutanal from the secondary flows arising in the production of mixtures of isomeric alpha, beta-unsaturated decenals 有权
    从生产异构α，β-不饱和癸烯的混合物中产生的二次流产生2-甲基丁醛的方法

    公开(公告)号：US09517991B2

    公开(公告)日：2016-12-13

    申请号：US15033661

    申请日：2014-11-14

    Applicant: Oxea GmbH

    Inventor： Jens Theuerkauf ,  Heinz Strutz

    IPC: C07C45/50 ,  C07C45/62 ,  C07C29/00 ,  C07C45/82 ,  C07C45/74 ,  C07C29/17

    CPC classification number: C07C45/82 ,  C07C29/175 ,  C07C45/50 ,  C07C45/62 ,  C07C45/74 ,  C07C47/02 ,  C07C47/21

    Abstract: A process for preparing 2-methylbutanal from the secondary streams obtained in the preparation of mixtures of isomeric α,β-unsaturated decenals, characterized in that a) a mixture comprising linear butenes is reacted in the presence of transition metal compounds of group VIII of the Periodic Table of the Elements with carbon monoxide and hydrogen at elevated temperature and elevated pressure to give a pentanal mixture; b) the pentanal mixture obtained in step a) is converted in the presence of basic compounds to a mixture of isomeric α,β-unsaturated decenals; and c) the mixture obtained in step b) is separated into a stream enriched with unconverted 2-methylbutanal and a stream enriched with a mixture of isomeric α,β-unsaturated decenals; with the proviso that the stream which has been separated off in step c) and is enriched with unconverted 2-methylbutanal is reacted with formaldehyde.

    Abstract translation: 在制备异构α，β-不饱和癸醛的混合物中获得的二次流中制备2-甲基丁醛的方法，其特征在于a）包含线性丁烯的混合物在第VIII族的过渡金属化合物存在下反应 元素周期表与一氧化碳和氢气在升高的温度和升高的压力下得到戊醛混合物; b）将步骤a）中获得的戊醛混合物在碱性化合物的存在下转化成异构α，β-不饱和癸醛的混合物; 和c）将步骤b）中获得的混合物分离成富含未转化的2-甲基丁醛的流和富含异构α，β-不饱和癸醛混合物的流; 条件是在步骤c）中分离并富集未转化的2-甲基丁醛的料流与甲醛反应。

    Method for Producing 2-Methylbutanal From the Secondary Flows Arising in the Production of Mixtures of Isomeric Alpha, Beta-Unsaturated Decenals
    13.
    发明申请
    Method for Producing 2-Methylbutanal From the Secondary Flows Arising in the Production of Mixtures of Isomeric Alpha, Beta-Unsaturated Decenals 有权
    从产生异构α，β-不饱和癸醛混合物产生的二次流产生2-甲基丁醛的方法

    公开(公告)号：US20160304430A1

    公开(公告)日：2016-10-20

    申请号：US15033661

    申请日：2014-11-14

    Applicant: OXEA GMBH

    Inventor： Jens THEUERKAUF ,  Heinz STRUTZ

    IPC: C07C45/82 ,  C07C45/74 ,  C07C29/17 ,  C07C45/50

    CPC classification number: C07C45/82 ,  C07C29/175 ,  C07C45/50 ,  C07C45/62 ,  C07C45/74 ,  C07C47/02 ,  C07C47/21

    Abstract: A process for preparing 2-methylbutanal from the secondary streams obtained in the preparation of mixtures of isomeric α,β-unsaturated decenals, characterized in that a) a mixture comprising linear butenes is reacted in the presence of transition metal compounds of group VIII of the Periodic Table of the Elements with carbon monoxide and hydrogen at elevated temperature and elevated pressure to give a pentanal mixture; b) the pentanal mixture obtained in step a) is converted in the presence of basic compounds to a mixture of isomeric α,β-unsaturated decenals; and c)the mixture obtained in step b) is separated into a stream enriched with unconverted 2-methylbutanal and a stream enriched with a mixture of isomeric α,β-unsaturated decenals; with the proviso that the stream which has been separated off in step c) and is enriched with unconverted 2-methylbutanal is reacted with formaldehyde.

    Abstract translation: 在制备异构α，β-不饱和癸醛的混合物中获得的二次流中制备2-甲基丁醛的方法，其特征在于a）包含线性丁烯的混合物在第VIII族的过渡金属化合物存在下反应 元素周期表与一氧化碳和氢气在升高的温度和升高的压力下得到戊醛混合物; b）将步骤a）中获得的戊醛混合物在碱性化合物的存在下转化成异构α，β-不饱和癸醛的混合物; 和c）将步骤b）中获得的混合物分离成富含未转化的2-甲基丁醛的流和富含异构α，β-不饱和癸醛混合物的流; 条件是在步骤c）中分离并富集未转化的2-甲基丁醛的料流与甲醛反应。

    A PROCESS FOR PREPARATION OF UNSATURATED KETONE
    16.
    发明申请
    A PROCESS FOR PREPARATION OF UNSATURATED KETONE 有权
    一种制备不饱和酮的方法

    公开(公告)号：US20160207861A1

    公开(公告)日：2016-07-21

    申请号：US14915052

    申请日：2014-08-21

    Applicant: Godavari Biorefineries Limited

    Inventor： Ravindra Gadhe

    IPC: C07C45/74 ,  C07C45/82

    CPC classification number: C07C45/74 ,  C07C45/82 ,  C07C49/203

    Abstract: The present invention relates to a process for preparing unsaturated ketone by using an ion exchange polymer as a catalyst. The process comprises the steps of mixing an aldehyde with a ketone and passing the mixture of aldehyde and ketone through a fixed bed catalytic reactor comprising the ion exchange polymer at a temperature of at least 60 degree C. at atmospheric pressure for a retention period of 30-50 min. The unsaturated ketone obtained from the reaction is purified by distillation and 99.5% pure unsaturated ketone with a yield of not less than 80% is obtained.

    Abstract translation: 本发明涉及使用离子交换聚合物作为催化剂制备不饱和酮的方法。 该方法包括以下步骤：将醛与酮混合并使醛和酮的混合物通过包含离子交换聚合物的固定床催化反应器，在大气压下在至少60℃的温度下保持30分钟 -50分钟 由反应得到的不饱和酮通过蒸馏纯化，得到99.5％纯的不饱和酮，收率不小于80％。

    Process for the manufacture of alkenones
    17.
    发明授权
    Process for the manufacture of alkenones 有权
    制备烯酮的方法

    公开(公告)号：US09365480B2

    公开(公告)日：2016-06-14

    申请号：US14422043

    申请日：2013-08-20

    Applicant: SOLVAY SA

    Inventor： Max Josef Braun ,  Stefan Palsherm

    IPC: C07C45/65 ,  C07C45/82 ,  C07C45/41

    CPC classification number: C07C45/65 ,  C07C45/41 ,  C07C45/82 ,  C07C49/255 ,  C07C49/175

    Abstract: A process for the manufacture of an alkenone comprising the steps of: (a) providing a halogenated precursor of the alkenone and (b) subjecting at least a fraction of the halogenated precursor of step (a) to a thermolysis reaction to form a reaction mixture comprising the alkenone and a hydrogen halide wherein the hydrogen halide is removed from the reaction mixture by cyclonic separation is described.

    Abstract translation: 一种制备烯酮的方法，包括以下步骤：（a）提供烯酮的卤化前体，和（b）使至少一部分步骤（a）的卤化前体经历热分解反应以形成反应混合物 描述了通过气相分离从该反应混合物中除去卤化氢的烯酮和卤化氢。

    RECIRCULATION AND DISPOSAL OF AQUEOUS CATALYST SOLUTIONS IN AMINE CATALYTIC PROCESSES
    18.
    发明申请
    RECIRCULATION AND DISPOSAL OF AQUEOUS CATALYST SOLUTIONS IN AMINE CATALYTIC PROCESSES 有权
    氨催化工艺中水性催化剂溶液的回收和处理

    公开(公告)号：US20160138804A1

    公开(公告)日：2016-05-19

    申请号：US14904898

    申请日：2014-07-15

    Applicant: EVONIK RÖHM GMBH

    Inventor： Steffen KRILL ,  Torsten BALDUF ,  Rudolf BURGHARDT ,  Gerhard KOELBL ,  Reed ZHAO

    IPC: F23G7/00 ,  C07C45/75

    CPC classification number: F23G7/008 ,  C07C45/75 ,  C07C45/82 ,  F23G5/14 ,  F23G7/001 ,  F23G7/065 ,  C07C47/22

    Abstract: The present invention relates to the oxidative combustion of amine-containing wastewaters, especially in a process for preparing methacrolein. Methacrolein is used in chemical synthesis particularly as an intermediate for preparation of methacrylic acid, methyl methacrylate, or else of active ingredients, odorants or flavorings. More particularly, the present invention relates to an oxidative combustion of the amine-containing wastewaters with only low nitrogen oxide formation.

    Abstract translation: 本发明涉及含胺废水的氧化燃烧，特别是在制备异丁烯醛的方法中。 甲基丙烯醛用于化学合成，特别是作为制备甲基丙烯酸，甲基丙烯酸甲酯或其他活性成分，气味剂或调味剂的中间体。 更具体地，本发明涉及仅含低氮氧化物形成的含胺废水的氧化燃烧。

    Methods And Systems For Separating Acetone And Phenol From One Another
    20.
    发明申请
    Methods And Systems For Separating Acetone And Phenol From One Another 有权
    分离丙酮和苯酚的方法和系统

    公开(公告)号：US20140275630A1

    公开(公告)日：2014-09-18

    申请号：US14189291

    申请日：2014-02-25

    Applicant: KELLOGG BROWN & ROOT LLC

    Inventor： Truc Vu ,  Theodor Robert Wilks

    IPC: C07C45/82 ,  B01D3/26 ,  C07C37/74 ,  C07C7/04 ,  C07C45/53 ,  C07C407/00

    CPC classification number: C07C45/82 ,  B01D3/007 ,  B01D3/26 ,  C07C37/08 ,  C07C37/74 ,  C07C45/53 ,  C07C407/00 ,  C07C39/04 ,  C07C49/08 ,  C07C409/10

    Abstract: Systems and methods for improving crude acetone column energy efficiency and operation are provided. The method for improving crude acetone column energy efficiency and operation can include introducing a crude acetone including acetone and phenol to a fractionation column and introducing cumene, AMS, or a combination thereof to the fractionation column. The method can include fractionating the crude acetone within the fractionation column to produce an acetone containing overhead and a phenol containing bottoms. The method can also include condensing at least a portion of the acetone containing overhead indirectly with a cool heat transfer medium to provide a condensed crude acetone product and a heated heat transfer medium, wherein the heat transfer medium includes cumene.

    Abstract translation: 提供了提高粗丙酮柱能量效率和操作的系统和方法。 提高粗丙酮塔能量效率和操作的方法可以包括将粗丙酮（包括丙酮和苯酚）引入分馏塔并将异丙苯，AMS或其组合引入分馏塔。 该方法可以包括在分馏塔内分馏粗丙酮以产生含有丙酮的塔顶馏出物和含苯酚的塔底物。 该方法还可以包括将至少一部分含丙酮的塔顶馏分与冷却的传热介质间接冷凝以提供冷凝的粗丙酮产物和加热的传热介质，其中传热介质包括异丙基苯。

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