METHOD FOR PURIFYING POLYMETHYLOLS
    1.
    发明申请
    METHOD FOR PURIFYING POLYMETHYLOLS 审中-公开
    程序对清洁POLYMETHYLOLEN

    公开(公告)号:WO2010066674A3

    公开(公告)日:2010-12-16

    申请号:PCT/EP2009066522

    申请日:2009-12-07

    Abstract: The invention relates to a method for distilling an aqueous polymethylol mixture, comprising a polymethylol of formula (I), where R independently = a further methylol group, or 1 to 22 C alkyl, or a 6 to 22 C aryl or aralkyl group, a tertiary amine, water and the adduct of tertiary amine and formic acid, (amine formate), characterised in that the distillation is carried out in a distillation column connected to an evaporator at the kettle, wherein the kettle temperature is maintained above the boiling point of the mono-ester of formic acid and polymethylol (polymethylol formate) formed during the distillation. The invention further relates to a composition comprising polymethylol and 1 to 10,000 ppm by weight of polymethylol formate and the use thereof.

    Abstract translation: 本发明涉及一种用于式(I)的羟甲基化合物,其中在每种情况下彼此独立地,R水性PoIymethylolgemisches的蒸馏的过程的进一步羟甲基或具有碳原子数1〜22的烷基或具有6〜22的芳基或芳基 装置C原子,叔胺,水和叔胺和甲酸(胺甲酸盐)的加成物,其特征在于,蒸馏是在连接在底部用蒸发器的蒸馏塔,进行,其中上述塔底温度 甲酸和羟甲基(Polymethylolformiat)的蒸馏的单酯过程中形成的蒸发温度的位置。 此外,本发明还涉及一种组合物,包含羟甲基和1〜10000重量ppm PoIymethylol甲酸盐和它们的用途。

    TUBE BUNDLE REACTOR FOR PRODUCING MALEIC ACID ANHYDRIDE
    2.
    发明申请
    TUBE BUNDLE REACTOR FOR PRODUCING MALEIC ACID ANHYDRIDE 审中-公开
    管式反应器用于生产顺酐

    公开(公告)号:WO2011057911A3

    公开(公告)日:2011-07-14

    申请号:PCT/EP2010066597

    申请日:2010-11-02

    Abstract: The invention relates to a system for producing maleic acid anhydride by means of heterogeneously catalyzed gas phase oxidation of an inlet flow, comprising hydrocarbons having at least (4) carbon atoms per molecule, comprising a reactor having a bundle of reaction tubes into which a solid catalyst is introduced, on which the exothermal reaction of the inlet flow with a gas flow containing oxygen takes place, and one or more pumps and one or more heat exchangers located outside of the reactor, by means of which a heat carrier made of a salt melt is carried, permeating the intermediate reaction space between the reaction tubes and absorbing reaction heat, the temperature of the salt melt being in the range of 350 to 480 °C, characterized in that the reaction tubes are made of an alloyed, heat-resistant steel comprising either at least 0.5 wt % chromium, or at least 0.25 wt % molybdenum, or at least 0.5 wt % chromium and at least 0.25 wt % molybdenum.

    Abstract translation: 通过包含具有烃的进料流的非均相催化气相氧化提出了一种用于生产马来酐的植物至少(4)每Moleküll个碳原子,其包括具有反应管束中,其中引入的固体催化剂,反应器在该进料流的与一个放热反应 氧发生含氧气体流,以及一个或多个泵和一个或多个通过该传热介质,从熔融盐形成的,被传递外的反应器的热交换器流过反应管之间的反应器空间,并吸收反应热,熔融盐的温度 在从350℃至480℃,其特征在于,该反应管由耐热合金钢,或者至少0.5重量%的铬,或至少0.25重量%的钼或英里的范围 ndestens 0.5重量铬的%和至少0.25重量%的钼。

    METHOD FOR PRODUCING POLYMETHYLOLS
    3.
    发明申请
    METHOD FOR PRODUCING POLYMETHYLOLS 审中-公开
    用于生产POLYMETHYLOLEN

    公开(公告)号:WO2010066673A2

    公开(公告)日:2010-06-17

    申请号:PCT/EP2009066521

    申请日:2009-12-07

    Abstract: The invention relates to a method for purifying crude polymethylols, containing polymethylols of formula (I), where R independently = a further methylol group, or 1 to 22 C alkyl, or a 6 to 22 C aryl or aralkyl group and hydroxy acids of formula (IV), where R independently = the above, characterised in that the purification is carried out in a distillation column, the kettle of which is connected to an evaporator with low residence time. The invention further relates to a composition comprising polymethylols and 1 to 10000 ppm by weight of an ester of polymethylol and an hydroxy acid and use thereof.

    Abstract translation: 本发明涉及用于粗多羟甲基化合物的纯化方法,weches式(I)的羟甲基化合物,其中每个R彼此独立地,进一步的羟甲基或具有1至22个碳原子或具有6至22个碳原子的芳基或芳烷基基团的烷基 装置和式羟基酸(IV)其中,每个R独立地为如上所定义,包含,其特征在于在蒸馏塔中该durchfuhrt纯化方法,其中蒸馏塔的底部被连接到具有短停留时间的蒸发器。 此外,本发明涉及一种组合物,包含羟甲基和1〜10000重量ppm羟基酸和多羟甲基化合物和它们的用途的酯。

    processo para preparar neopentil glicol

    公开(公告)号:BR112012028567A2

    公开(公告)日:2016-08-02

    申请号:BR112012028567

    申请日:2011-05-10

    Applicant: BASF SE

    Abstract: processo para preparar neopentil glicol. a presente invenção se refere a um processo para a preparação de neopentil glicol (npg) através da hidrogenação contínua de hidroxipivalaldeído (hpa) com hidrogênio, na fase líquida, na presença de um catalisador de hidrogênio, em um reator de hidrogenação (5), através da combinação de uma corrente compreendendo hpa (1) com uma corrente compreendendo npg (2), de um modo a fornecer uma alimentação de hidrogenação e introduzir a alimentação de hidrogenação (4) no interior do reator de hidrogenação (5) e suprindo adicionalmente pelo menos um regaulador de ph (3), selecionado a partir do grupo, que consiste de amina terciária, uma base inorgênica, um ácido inorgânico e um ácido orgânico para a corrente compreendendo hpa (1) ou para a corrente compreendendo npg (2) ou para a alimentação de hidrogenação (4), de um modo a estabelecer um ph de 7,0 a 9,0, na saída do reator de hidrogenação, caracterizado pelo fato de que a razão, em peso, de hpa para npg na alimentação de hidrogenação (4) está em uma faixa de 1:100 a 50:100 e a fração de hpa e de npg na alimentação de hidrogenação (4) é de, pelo menos, 5%, em peso, com base na alimentação de hidrogenação, e, no caso de que o regulador de ph (3) seja suprido à corrente cpmpreendendo hpa (1), a corrente compreendendo hpa (1) compreende menos do que 50%, em peso, de hpa ou o período de tempo entre o suprimento do regulador de ph (3) e a combinação da corrente compreendendo npg (2) com a corrente compreendendo hpa (1) é de menos do que 5 minutos, ou a temperatura da corrente compreendendo hpa (1) é de menos do que 75 c.

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