公开(公告)号：US4908471A

公开(公告)日：1990-03-13

申请号：US156257

申请日：1988-02-16

申请人： Hans Leuck ,  Hans-Jorg Westermann

发明人： Hans Leuck ,  Hans-Jorg Westermann

IPC分类号： C07C69/82 ,  B01J19/00 ,  B01J19/26 ,  B01J31/04 ,  C07B61/00 ,  C07C27/00 ,  C07C27/12 ,  C07C51/265 ,  C07C63/04 ,  C07C63/06 ,  C07C67/00 ,  C07C67/39

CPC分类号： C07C51/265 ,  B01J19/26 ,  C07C67/39 ,  B01J2219/00103 ,  B01J2219/00126

摘要： Disclosed is a method for the production of benzene carboxylic acids and benzene carboxylic acid esters or their mixtures, while p-toloylic acid is made from p-xylene and terephthalic acid monomethyl ester is simultaneously prepared from p-toluylic acid ester. The oxidation is performed by the addition of oxidator liquid and gases containing oxygen in single orifice mixing nozzles with the formation of a highly disperse reaction phase and the single orifice mixing nozzles open into the oxidator liquid.

摘要翻译： 公开了用于制备苯羧酸和苯羧酸酯或其混合物的方法，而对甲苯酸由对二甲苯制备，对苯二甲酸单甲酯由对甲苯甲酸酯同时制备。 通过在单孔混合喷嘴中加入氧化剂液体和含氧气体，形成高度分散的反应相，并且单孔混合喷嘴通入氧化剂液体中进行氧化。

公开(公告)号：US4754079A

公开(公告)日：1988-06-28

申请号：US29093

申请日：1987-03-23

申请人： Gunter Bison ,  Hans Leuck ,  Klaus Thewalt ,  Hans-Jorg Westerman

发明人： Gunter Bison ,  Hans Leuck ,  Klaus Thewalt ,  Hans-Jorg Westerman

IPC分类号： C07C201/12 ,  C07C205/15 ,  C07C79/18

CPC分类号： C07C201/12

摘要： A safe production of sodium nitro-1,3-propanediol from a reaction solution of nitromethane and paraformaldehyde in methanol by addition of sodium methylate is achieved by evaporative cooling of the methanol; it being possible to maintain reaction temperatures of 35.degree. C. to 50.degree. C.

摘要翻译： 通过甲醇的甲醇蒸馏冷却，可以通过加入甲醇钠从硝基甲烷和多聚甲醛的反应溶液中安全地生产硝基-1,3-丙二醇钠; 可以将反应温度保持在35〜50℃。

公开(公告)号：US4327230A

公开(公告)日：1982-04-27

申请号：US128421

申请日：1980-03-10

申请人： Otto Ackermann ,  Hans Leuck ,  Gunther Meyer ,  Gerhard Schmeling

发明人： Otto Ackermann ,  Hans Leuck ,  Gunther Meyer ,  Gerhard Schmeling

IPC分类号： C07C27/00 ,  C07C29/70 ,  C07C31/30 ,  C07C67/00 ,  C07C35/04 ,  C07C35/06 ,  C07C35/08

CPC分类号： C07C29/705

摘要： A process for the continuous production of an alkali metal alcoholate of a higher alcohol which comprises continuously introducing a higher alcohol into a reaction vessel, continuously introducing an alkali metal alcoholate of a lower alcohol into said reaction vessel and continuously and simultaneously distilling over and removing from said reaction vessel lower alcohol which forms.

摘要翻译： 连续生产高级醇的碱金属醇化物的方法，其包括将高级醇连续地引入反应容器中，将低级醇的碱金属醇化物连续引入所述反应容器中并连续并同时蒸馏除去 所述反应容器形成低级醇。

公开(公告)号：US4554392A

公开(公告)日：1985-11-19

申请号：US668649

申请日：1984-11-06

申请人： Hans Leuck ,  Hans-Jorg Westermann

发明人： Hans Leuck ,  Hans-Jorg Westermann

IPC分类号： B01J27/00 ,  C07B61/00 ,  C07C17/00 ,  C07C17/02 ,  C07C19/045 ,  C07C67/00

CPC分类号： C07C17/02

摘要： In this method of producing 1,2-dichloroethane from ethylene and chlorine gas in an approximately equimolar ratio at reaction pressures between 2 and 20 bar, at ethylene dichloride boiling temperatures between 105.degree. and 225.degree. C., in the presence of catalysts acting as Lewis acids, the catalyst-free ethylene dichloride vapors produced in the evaporative cooling are withdrawn and then condensed and cooled, and liquid catalyst-containing ethylene dichloride is also withdrawn separately.All of the gaseous chlorine input, having a purity of about 90 to 100% by volume, is introduced into a condensed and cooled circulating stream of ethylene dichloride. The ethylene dichloride stream containing chlorine is brought to the reaction pressure, and then catalyst-containing ethylene dichloride withdrawn from the reactor is admixed.The ethylene dichloride stream, containing chlorine and catalyst, is heated while the catalyst-free ethylene dichloride stream is cooled, and from the latter the end product ethylene dichloride is taken as a partial stream. An ethylene partial stream is fed into the downward stream of the reactor. The downward stream, upon contact with a main input of ethylene introduced at the bottom of the reactor at a mass rate between 30 and 200 kg/sec.multidot.m.sup.2 is reversed into an upward stream forming a highly disperse gas-liquid phase.

摘要翻译： 在这种在2-20巴的反应压力下以约等摩尔比从乙烯和氯气生产1,2-二氯乙烷的方法中，在二氯乙烷沸点温度为105- 225℃之间，在催化剂存在下，作为 取出路易斯酸，在蒸发冷却中产生的不含催化剂的二氯乙烷蒸气，然后冷凝和冷却，并且还分别取出含液体催化剂的二氯乙烷。 将所有具有约90至100体积％纯度的气态氯输入引入冷凝和冷却的二氯乙烯循环流中。 使含有氯的二氯乙烷流达到反应压力，然后混合从反应器中排出的含有催化剂的二氯乙烯。 加热含有氯和催化剂的二氯乙烷流，同时不含催化剂的二氯乙烷流被冷却，从后者中将最终产物二氯乙烷作为部分流。 将乙烯部分流送入反应器的向下流中。 与反应器底部以30-200kg / sec×m2之间的质量比引入乙烯的主输入接触的向下流反转成形成高分散气液相的向上流。