Method for producing dichlorobutene
    2.
    发明专利
    Method for producing dichlorobutene 有权
    生产双歧杆菌的方法

    公开(公告)号:JP2008247770A

    公开(公告)日:2008-10-16

    申请号:JP2007088129

    申请日:2007-03-29

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing dichlorobutene which comprises obtaining a reaction liquid having high concentration in a high yield and requiring less energy for solvent separation in a later process.
    SOLUTION: This method for producing a mixture of 3,4-dichloro-1-butene and 1,4-dichloro-2-butene continuously by reacting 1,3-butadiene with chlorine in a solvent and in the presence of a catalyst is characterized by using a reaction liquid-circulating reaction device, having a butadiene-mixing and dissolving zone, chlorination reaction zone, heat-removing zone, drawing out zone and circulating pump, feeding the solvent selected from a saturated hydrocarbons and trichloroethylene, the raw materials and catalyst into the circulating reaction liquid, uniformly dissolving, then feeding the chlorine to react at 20 to 70°C temperature under a condition stipulated by the following formula 1, and then drawing out the reaction liquid and produced hydrogen chloride gas as a byproduct in the drawing out zone. [The concentration of the 1,3-butadiene in the reaction liquid (mol/L)]÷[the feeding rate of the chlorine (mol/hr)/the flow rate of circulation (L/hr)] (1).
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:提供二氯丁烯的制备方法,其包括以高产率获得高浓度的反应液体并且在稍后的工艺中需要更少的能量用于溶剂分离。 解决方案:通过使1,3-丁二烯与氯在溶剂中并在存在下连续生成3,4-二氯-1-丁烯和1,4-二氯-2-丁烯的混合物的方法 催化剂的特征在于使用具有丁二烯混合溶解区,氯化反应区,除热区,引出区和循环泵的反应液循环反应装置,进料选自饱和烃和三氯乙烯的溶剂, 将原料和催化剂加入到循环反应液中,均匀溶解,然后在下列公式1规定的条件下,在20〜70℃的温度下使氯反应,然后抽出反应液,生成氯化氢气体 副产品在抽出区。 [反应液中1,3-丁二烯的浓度(mol / L)]÷[氯的供给量(mol / hr)/循环流量(L / hr)](1)。 版权所有(C)2009,JPO&INPIT

    PRODUCTION OF SODIUM N-ALKYLAMINOETHANESULFONATE

    公开(公告)号:JPH04360863A

    公开(公告)日:1992-12-14

    申请号:JP16249791

    申请日:1991-06-07

    Applicant: TOSOH CORP

    Abstract: PURPOSE:To produce a sodium N-alkylaminoethanesulfonate by efficiently removing the extremely easily filterable crystals of sodium sulfate from an aqueous solution mainly containing the sodium N-alkylaminoethanesulfonate and the sodium sulfate. CONSTITUTION:A method for producing a sodium N-alkylaminoethanesulfonate is characterized by continuously crystallizing sodium sulfate within a condition range represented by the inequality relating to the concentration of the sodium N-alkylaminoethanesulfonate and the temperature of the slurry in a concentration and crystallization tank, when the sodium sulfate is crystallized and removed from an aqueous solution containing the sodium N- alkylaminoethanesulfonate and the sodium sulfate.

    Particulate anion exchange resin, method of manufacturing the resin and method of producing dichlorobutene using the resin
    7.
    发明专利
    Particulate anion exchange resin, method of manufacturing the resin and method of producing dichlorobutene using the resin 有权
    颗粒状阴离子交换树脂,制造树脂的方法和使用树脂生产双歧杆菌的方法

    公开(公告)号:JP2011045812A

    公开(公告)日:2011-03-10

    申请号:JP2009195228

    申请日:2009-08-26

    CPC classification number: Y02P20/52

    Abstract: PROBLEM TO BE SOLVED: To provide a method providing a reaction liquid of a high concentration of dichlorobutenes which uses an apparatus made of a general-purpose metal material, gives dichlorobutenes in a high yield and requires less energy for solvent separation in a post process, a method of producing 3,4-dichloro-1-butene, serving as a raw material for chloroprene monomer, with higher selectivity, and a particulate anion exchange resin used in these methods. SOLUTION: The particulate anion exchange resin serves as a catalyst for a method of producing dichlorobutenes by reacting 1,3-butadiene with chlorine at 20-70°C in a solvent to produce 3,4-dichloro-1-butene and 1,4-dichloro-2-butene and has an average particle size of 0.5-10 μm. The method of producing the resin and the method of producing dichlorobutenes by using the resin are also provided. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种提供使用由通用金属材料制成的装置的高浓度二氯丁烯的反应液的方法,以高产率提供二氯丁烯,并且需要更少的能量用于溶剂分离 后处理,以高选择性生产作为氯丁二烯单体的原料的3,4-二氯-1-丁烯的方法和用于这些方法的颗粒状阴离子交换树脂。 解决方案:颗粒状阴离子交换树脂用作通过使1,3-丁二烯与氯在20-70℃下在溶剂中反应生产二氯丁烯的方法,以产生3,4-二氯-1-丁烯和 1,4-二氯-2-丁烯,平均粒径为0.5-10μm。 还提供了制备树脂的方法和使用该树脂生产二氯丁烯的方法。 版权所有(C)2011,JPO&INPIT

    Process for producing dichlorobutene
    8.
    发明专利
    Process for producing dichlorobutene 有权
    生产多氯联苯的方法

    公开(公告)号:JP2010100610A

    公开(公告)日:2010-05-06

    申请号:JP2009210650

    申请日:2009-09-11

    CPC classification number: B01J31/08 B01J2231/32 C07C17/02 C07C21/09

    Abstract: PROBLEM TO BE SOLVED: To provide a process for producing a reaction solution having a high dichlorobutene concentration with an apparatus formed of a general-purpose metal to achieve the production of dichlorobutene at a high yield and reduce energy required for solvent separation in a post-process, and to provide a process for producing 3, 4-dichloro-1-butene as a starting material for chloroprene monomer with higher selectivity.
    SOLUTION: The process for producing dichlorobutene includes reacting 1, 3-butadiene with chlorine in the presence of a catalyst containing an anion exchange resin and having a small particle diameter of ≤50 μm in terms of average particle diameter in a solvent at a reaction temperature of 20-70°C to produce 3, 4-dichloro-1-butene and 1, 4-dichloro-2-butene.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 待解决的问题:提供一种由通用金属形成的装置制备具有高二氯丁烯浓度的反应溶液的方法,以高产率实现二氯丁烯的制备,并降低溶剂分离所需的能量 后处理,并且提供以更高选择性制备作为氯丁二烯单体的起始原料的3,4-二氯-1-丁烯的方法。 解决方案:制备二氯丁烯的方法包括在含有阴离子交换树脂的催化剂存在下使1,3-丁二烯与氯反应,并且在溶剂中的平均粒径为≤50μm的小粒径 反应温度为20-70℃,得到3,4-二氯-1-丁烯和1,4-二氯-2-丁烯。 版权所有(C)2010,JPO&INPIT

    DECOMPOSITION AND REMOVAL OF ORGANIC MATTER IN PHOSPHORIC ACID

    公开(公告)号:JPH10139408A

    公开(公告)日:1998-05-26

    申请号:JP29290196

    申请日:1996-11-05

    Applicant: TOSOH CORP

    Abstract: PROBLEM TO BE SOLVED: To provide a method for removing organic matter in phosphoric acid efficiently and effectively by decomposing the organic matter and make waste gas treatment easily by two-step decomposition, the first step using a chlorate and the second step using a hypochlorite. SOLUTION: This removal of organic matter in phosphoric acid which preferably contains 30-60wt.% of P2 O5 comprises adding a chlorate, preferably sodium chlorate, to phosphoric acid that contains organic matter at 100 deg.C or higher temperature in the first step, and then adding a hypochlorite, preferably sodium or calcium hypochlorite, in such a quantity that the content of chloride ions in the obtained phosphoric acid solution is 0.35 or less ratio by weight to the content of the hypochlorite ions. The gas generated in these steps is substantially chlorine gas, antipollution treatment of which can be easily made by its contact with alkali.

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