VERFAHREN ZUR AUFREINIGUNG VON ADIPODINITRIL (ADN)
    21.
    发明公开
    VERFAHREN ZUR AUFREINIGUNG VON ADIPODINITRIL (ADN) 有权
    VERFAHREN ZUR AUFREINIGUNG冯ADIPODINITRIL(ADN)

    公开(公告)号:EP3102562A1

    公开(公告)日:2016-12-14

    申请号:EP15703554.4

    申请日:2015-02-03

    Applicant: BASF SE

    Abstract: The present invention relates to a method for purifying adipodinitrile (ADN), wherein crude ADN is fed into a rectification device (R1). The rectification device (R1) comprises a first and preferably also a second side draw, wherein the first side draw is located below the feed point of the crude ADN and the optionally present second side draw is located above said feed point. A gaseous stream which contains ADN is drawn off via the first side draw, while undesired by-products such as 1-amino-2-cyanocyclopentene (ACCP), which often arise during ADN production and consequently may be contained in the crude ADN, are drawn off via the optionally present second side draw. The gaseous stream coming from the first side draw from (R1) is fed into a second rectification device (R2). In (R2), ADN is separated from remaining high-boilers and possibly other by-products, with pure ADN being removed at the top from (D2). In the method according to the invention, use is preferably made of crude ADN that stems from the reaction of butadiene with hydrocyanic acid (HCN).

    Abstract translation: 本发明涉及一种纯化己二腈(ADN)的方法,其中将粗ADN引入精馏装置(R1)。 整流装置(R1)包括第一侧拉伸,优选地还包括第二侧拉伸,第一侧拉伸设置在粗ADN引入点下方,并且任选的第二侧拉伸设置在粗ADN引入点之上。 第一侧拉伸用于抽出包含ADN的气流,而任选的第二侧拉伸被用于抽出通常在ADN生产中产生的不期望的副产物,例如1-氨基-2-氰基环戊烯(ACCP),因此 可能存在于粗ADN中。 将来自(R1)的第一侧抽出的气流引入第二精馏装置(R2)。 (R2)用于从剩余的高锅炉和任何其他副产物中分离出ADN,纯的ADN从(D2)作为塔顶产物排出。 当根据本发明的方法从丁二烯与氢氰酸(HCN)的反应中使用粗ADN时,是优选的。

    VERFAHREN ZUR HERSTELLUNG VON HALOGENE ENTHALTENDEN ORGANISCHEN PHOSPHORVERBINDUNGEN
    24.
    发明授权
    VERFAHREN ZUR HERSTELLUNG VON HALOGENE ENTHALTENDEN ORGANISCHEN PHOSPHORVERBINDUNGEN 有权
    用于生产含HALOGENE有机磷剂

    公开(公告)号:EP2044092B1

    公开(公告)日:2011-09-28

    申请号:EP07787009.5

    申请日:2007-07-03

    Applicant: BASF SE

    CPC classification number: C07F9/4891 C07F9/4875

    Abstract: The invention relates to a method for producing compounds of general formula XPR2(OR1) (Ia), wherein X represents chlorine, bromine or iodine and R1 represents an organic radical, by reacting compounds of general formula X2PR2 (II), wherein X has the above-mentioned meaning and R2 represents an organic radical, with compounds of general formula R1OH (III), wherein R1 has the above-mentioned meaning, to form a mixture IV, wherein a) the secondary reaction is carried out at a temperature of between 50 to 240°C and at a pressure of 0,001 to 0,9 bar, b) from the mixture IV, the compounds (Ia) are separated from the compounds PR2(OR1)2 (Ib) and optionally from the compounds II and c) compounds (Ib) and optionally non-reacted compounds II are guided back to the synthesis step.

    VERFAHREN ZUR HERSTELLUNG VON LINEAREM PENTENNITRIL

    公开(公告)号:EP1716105B1

    公开(公告)日:2011-04-27

    申请号:EP05707029.4

    申请日:2005-01-27

    Applicant: BASF SE

    CPC classification number: C07C253/30 C07C253/10 Y02P20/582 C07C255/07

    Abstract: The invention relates to a method for producing 3-pentenenitrile, characterised by the following steps: (a) isomerisation of an educt stream containing 2-methyl-3-butenenitrile on at least one dissolved or dispersed isomerisation catalyst to form a stream (1), which contains the isomerisation catalyst(s), 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile; (b) distillation of the stream (1) to obtain a stream (2) as the overhead product, which contains 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile and a stream (3) as the bottom product, which contains the isomerisation catalyst(s); (c) distillation of the stream (2) to obtain a stream (4) as the overhead product, which is enriched with (Z)-2-methyl-2-butenenitrile in comparison to stream (2), (in relation to the sum of all pentenenitriles in stream (2)) and a stream (5) as the bottom product, which is enriched with 3-pentenenitrile and 2-methyl-3-butenenitrile in comparison to stream (2), (in relation to the sum of all pentenenitriles in stream (2); (d) distillation of stream (5) to obtain a stream (6) as the bottom product, which contains 3-pentenenitrile and a stream (7) as the head product, which contains 2-methyl-3-butenenitrile.

    Abstract translation: 描述了一种制备3-戊烯腈的方法,其特征在于以下方法步骤:(a)在至少一种溶解或分散的异构化催化剂上异构化包含2-甲基-3-丁烯腈的反应物流,得到流1,其包含 至少一种异构化催化剂,2-甲基-3-丁烯腈,3-戊烯腈和(Z)-2-甲基-2-丁烯腈,(b)蒸馏物流1,得到作为顶部产物的物流2,其包含2-甲基 -3-丁烯腈,3-戊烯腈和(Z)-2-甲基-2-丁烯腈,以及作为底部产物的料流3,其包含至少一种异构化催化剂,(c)蒸馏流2以获得流4, 与流2相比,基于流2中的所有戊烯腈的总和和作为底部产物的流5,与流2相比富含(Z)-2-甲基-2-丁烯腈的顶部产物与流2相比较 ,富含3-戊烯腈和2-甲基-3-丁烯腈,基于所有pentenenit (d)蒸馏流5以获得作为底部产物的料流6,其包含3-戊烯腈和作为顶部产物的料流7,其包含2-甲基-3-丁烯腈。

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