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    PROCESS FOR THE PRODUCTION OF DINITROTOLUENE
    391.
    发明申请
    PROCESS FOR THE PRODUCTION OF DINITROTOLUENE 审中-公开
    生产西妥昔单抗的方法

    公开(公告)号：WO1993025503A1

    公开(公告)日：1993-12-23

    申请号：PCT/US1993005081

    申请日：1993-06-01

    Applicant: OLIN CORPORATION

    Inventor： OLIN CORPORATION ,  MASON, Robert, W.

    IPC: C07C07/06

    CPC classification number: C07C201/08 ,  C07C205/06

    Abstract: This invention relates to a process for nitrating toluene to produce dinitrotoluene characterized by a liquid phase nitration characterized in that reaction of anhydrous nitric acid with toluene in a reactor at a reaction temperature of between 20 DEG C and 30 DEG C for a reaction time of less than 15 minutes, said reaction employing a molar ratio of nitric acid plus any water to toluene of between 10:1 and 15:1, said reaction being conducted in the absence of sulfuric acid, and in the absence of any aprotic dipolar solvent during the reaction and in the absence of any aprotic dipolar solvent to halt the reaction, to produce said dinitrotoluene in a product mixture that is free of nitrocresol, followed by vacuum distillation of the product mixture, in the absence of any aprotic dipolar solvent, to remove unreacted nitric acid from said product mixture thereby providing said dinitrotoluene.

    Abstract translation: 本发明涉及硝化甲苯以产生二硝基甲苯的方法，其特征在于液相硝化，其特征在于在反应温度为20-30℃的反应器中，无水硝酸与甲苯的反应反应时间较短 所述反应使用硝酸加上任何水与甲苯的摩尔比为10:1至15:1，所述反应在不存在硫酸的情况下进行，并且在所述反应期间不存在任何非质子偶极溶剂 反应，并且在不存在任何非质子偶极溶剂以停止反应的情况下，在不含硝基甲酚的产物混合物中生成所述二硝基甲苯，随后在没有任何非质子偶极溶剂的情况下，将产物混合物真空蒸馏以除去未反应 硝酸从所述产物混合物中提供所述二硝基甲苯。

    METHOD FOR THE CONTINUOUS NITRATION OF NITRABLE AROMATIC COMPOUNDS
    392.
    发明申请
    METHOD FOR THE CONTINUOUS NITRATION OF NITRABLE AROMATIC COMPOUNDS 审中-公开
    硝酸芳香化合物连续硝化方法

    公开(公告)号：WO1992011227A1

    公开(公告)日：1992-07-09

    申请号：PCT/EP1991002357

    申请日：1991-12-10

    Applicant: HOECHST AKTIENGESELLSCHAFT ,  DETTMEIER, Udo ,  LANDGRAF, Walter

    Inventor： HOECHST AKTIENGESELLSCHAFT

    IPC: C07C201/08

    CPC classification number: C07C201/08 ,  C07C205/12

    Abstract: In a method for continuous nitration of a nitrable aromatic compound, which forms an azeotrope with water, by treating with nitric acid in the presence of nitrating acids, the reaction is carried out with a molar ratio of nitric acid to the aromatic compound of at least 1:1, the temperature and the pressure being coordinated so that the reaction mixture boils, the nitrating acid is recycled without further intermediate treatment, the resulting mixture is extracted with water and the eluate is returned to the reaction to restore the nitrating acid.

    Abstract translation: 在与硝酸形成共沸物的硝化芳族化合物的连续硝化的方法中，通过在硝酸存在下用硝酸处理，使硝酸至芳族化合物的摩尔比至少为 如图1：1所示，温度和压力协调使得反应混合物沸腾，硝酸在不进一步中间处理的情况下再循环，所得混合物用水萃取，洗脱液返回反应以还原硝酸。

    1-(3,5-디클로로페닐)-2,2,2-트리플루오로에타논 및 그의 유도체의 제조 방법
    394.
    发明公开
    1-(3,5-디클로로페닐)-2,2,2-트리플루오로에타논 및 그의 유도체의 제조 방법 审中-实审
    生产1-（3,5-二氯苯基）-2,2,2-三氟乙酮及其衍生物的方法

    公开(公告)号：KR1020170070038A

    公开(公告)日：2017-06-21

    申请号：KR1020177009561

    申请日：2015-10-07

    Applicant: 신젠타 파티서페이션즈 아게

    Inventor： 그립코브,데니스

    IPC: C07C45/63 ,  C07C49/80 ,  C07C201/08 ,  C07C201/16 ,  C07C205/45

    CPC classification number: C07C45/63 ,  C07C45/46 ,  C07C201/08 ,  C07C201/12 ,  C07C205/45 ,  C07C49/80 ,  C07C201/16

    Abstract: a) 화학식 II의화합물(여기서, R은수소, 플루오로또는클로로임)을니트로화제와반응시켜화학식 III의화합물(여기서, R은수소, 플루오로또는클로로임)을얻는단계; b) 화학식 III의화합물을황산또는발연황산의존재하에트리클로로이소시아누르산과반응시켜화학식 IV의화합물(여기서, R은수소, 플루오로또는클로로임)을얻는단계; 및 c) 화학식 III의화합물을 180℃내지 250℃의온도에서염소기체와반응시켜화학식 I의화합물(여기서, R은수소, 플루오로또는클로로임)을얻는단계를포함하는, 화학식 I의화합물의제조방법에관한것이다. [화학식 I][화학식 II][화학식 III][화학식 IV]

    Abstract translation: a）使其中R为氢，氟或氯的式II化合物与硝化剂反应，得到其中R为氢，氟或氯的式III化合物; b）使式（III）化合物与三氯异氰尿酸在硫酸或发烟硫酸存在下反应，得到式（IV）化合物，其中R为氢，氟或氯; c）使式（Ⅲ）化合物与氯气在180-250℃反应，得到其中R为氢，氟或氯的式（Ⅰ）化合物。 及其制造方法。 （IV）（III）

    디니트로톨루엔의 연속적 제조 방법에서의 배기 가스 정화
    395.
    发明公开
    디니트로톨루엔의 연속적 제조 방법에서의 배기 가스 정화 审中-实审
    二硝基甲苯连续生产过程中的废气净化

    公开(公告)号：KR1020170063644A

    公开(公告)日：2017-06-08

    申请号：KR1020177008570

    申请日：2015-09-29

    Applicant: 코베스트로 도이칠란트 아게

    Inventor： 크나우프,토마스 ,  뮈니크,위르겐 ,  로렌츠,볼프강 ,  페네만,베른트

    IPC: C07C201/08 ,  C07C201/16 ,  C07C205/06 ,  B01D53/00

    CPC classification number: C07C201/08 ,  B01D53/002 ,  B01D2257/7027 ,  C07C201/16 ,  C07C205/06

    Abstract: 본발명은 a) 톨루엔을질산과황산의혼합물로니트로화시키고후속적으로니트로화동안에형성된황산-함유수성상을분리하여조 디니트로톨루엔을수득하는단계, b) 조디니트로톨루엔을중성및/또는알칼리성세척수를이용하여수 세척으로세척하고, 여기서마지막세척에서사용된세척수를분리한후에디니트로톨루엔외에도적어도물을함유하는예비-정화된디니트로톨루엔을수득하는단계, c) 예비-정화된디니트로톨루엔으로부터물을분리하는단계, d) 단계 a), b) 및/또는 c)로부터폐수를수집하는단계, e) 임의로단계 d)로부터의수집된폐수를톨루엔을이용하여추출하고이와같이하여수득된유기상을단계 a)로복귀시키는단계, f) 톨루엔스트리퍼에서, 단계 d)로부터의수집된폐수또는, 임의적단계 e)가수행되는경우, 단계 e)로부터의추출된폐수로부터톨루엔을제거하여, 톨루엔-함유배기가스흐름을수득하는단계, g) 단계 a), b), c), d), e) 또는 f)로부터의적어도하나의배기가스흐름을배기가스응축기에공급하고상기배기가스응축기에서적어도하나의배기가스흐름에함유된톨루엔을제거하는단계를포함하고, 여기서 h) 단계 g)에서톨루엔의응축제거후에형성된배기가스흐름을열적배기공기정화에공급하고, 여기서질소가, 배기가스응축기에공급될배기가스흐름또는배기가스응축기를떠나는배기가스흐름에첨가되고, 여기서바람직하게는적어도 0.1 vol%, 특히바람직하게는적어도 0.5 vol%의배기가스흐름중 질소농도가설정되는것인추가의단계를포함하는, 디니트로톨루엔의제조방법에관한것이다.

    Abstract translation: 本发明a）用硝酸和硫酸，并随后与硝化方法包括分离和含有水相，得到粗二硝基甲苯的步骤过程中形成的硫酸的混合物的甲苯硝化，B）乔迪硝基甲苯的中性和/或 以得到二硝基甲苯的纯化，C）洗涤预具有多个洗涤用碱性洗涤水，其中，所述洗涤水在最后的洗涤hanhue二硝基甲苯除了分离以备用至少含有水，纯化的二硝基苯 将水与甲苯分离，d）收集来自步骤a），b）和/或c）的废水，e）任选地将来自步骤d）的废水与甲苯一起收集， 返回步骤a），f）在甲苯汽提塔中，从步骤d）收集的废水，或者如果可选的步骤e）完成，则从步骤e）的提取的废水中除去甲苯， G）将来自步骤a），b），c），d），e）或f）的至少一个排气流供给到排气冷凝器并且将来自排气冷凝器 至少包括去除包含在所述一个废气流的甲苯，的步骤其中h）供给冷凝除去在步骤g甲苯）的热排放空气清洗，之后形成的废气流，其中氮，废气冷凝器， 要被添加到废气流离开废气流或废气冷凝器被供给，其特征在于，优选为至少0.1体积％，最优选加入doeneungeot氮浓度的步骤是在至少0.5％（体积）的废气流设定 生产二硝基甲苯的方法。

    니트로벤젠의 연속적인 제조 방법
    400.
    发明公开
    니트로벤젠의 연속적인 제조 방법 有权
    硝基苯的制造连续工艺

    公开(公告)号：KR1020100034711A

    公开(公告)日：2010-04-01

    申请号：KR1020090089880

    申请日：2009-09-23

    Applicant: 코베스트로 도이칠란드 아게

    Inventor： 나우프,토마스 ,  라쾨스,알렉산더 ,  도멘,볼프강 ,  라우쉬,안드레아스

    IPC: C07C201/06 ,  C07C205/06

    CPC classification number: C07C201/08 ,  C07C205/06

    Abstract: PURPOSE: A method for successively manufacturing nitrobenzene is provided to maintain the quality of products and to remarkably increase space-time yield at the same time. CONSTITUTION: A method for successively manufacturing nitrobenzene comprises a step for nitriding benzene with acids for nitration in a reaction space for dispersing benzene and acids for nitration, wherein (a) the acid for nitration contains 3.0 weight % nitric acid and 67.0 weight % or more of sulfuric acid, based on 100 weight % acids for nitration; (b) a reaction start temperature is more than 100.0 °C and less than 102.0 °C; (c) an emulsion of acids for nitration with benzene before a nitric acid conversion rate becomes 60%; and (d) 60% or more of used nitric acid is converted within 13 volume % of a reaction space after initial dispersion.

    Abstract translation: 目的：提供连续制造硝基苯的方法，以保持产品质量，同时显着增加时空产量。 构成：连续制造硝基苯的方法包括在用于分散苯和酸进行硝化的反应空间中用酸氮化硝化的步骤，其中（a）用于硝化的酸含有3.0重量％的硝酸和67.0重量％以上的硝酸 的硫酸，基于100重量％的酸用于硝化; （b）反应开始温度大于100.0℃且小于102.0℃; （c）在硝酸转化率达到60％之前，用于硝化硝酸的酸乳液; 和（d）60％或更多的使用硝酸在初始分散后的反应空间的13体积％内转化。

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