-
公开(公告)号：US5770171A
公开(公告)日：1998-06-23
申请号：US486122
申请日：1990-03-05
IPC分类号： C01B11/02
CPC分类号： C01B11/023
摘要： A process for production of chlorine dioxide which is substantially free of by product chlorine. Chlorine-dioxide is produced from an alkali metal chlorate, a mineral acid and a reducing agent such as methanol in a reaction medium maintained at an acid normality of less than 9 and with a high chlorate molarity. The process is carried out in the substantial absence of additional chloride ion being fed to the process. It has been found that increasing the chlorate concentration at a given acid normality reduces the amount of chloride in the reaction medium thus reducing the amount of chlorine by-product. The process is carried out in a vessel operated under subatmospheric pressure, whereby water is evaporated and withdrawn together with chlorine dioxide and the alkali metal salt of the mineral acid is crystallized within the reaction vessel and withdrawn therefrom. According to the invention, high production rates with high efficiency of chlorine dioxide can be achieved while producing essentially no chlorine by-product.
摘要翻译： 生产基本上不含氯的二氧化氯的方法。 二氧化氯由碱金属氯酸盐，无机酸和还原剂如甲醇在反应介质中产生，反应介质维持在酸值正常值小于9且氯酸盐摩尔浓度高。 该方法在基本上没有额外的氯离子进料到该方法中进行。 已经发现，以给定的酸正常值提高氯酸盐浓度降低了反应介质中的氯化物的量，从而减少了副产物的量。 该方法在低于大气压下操作的容器中进行，由此与二氧化氯一起蒸发和抽出水，无机酸的碱金属盐在反应容器内结晶并从其中取出。 根据本发明，可以在基本上不产生氯副产物的同时实现二氧化氯效率高的高生产率。
-
公开(公告)号：US5545389A
公开(公告)日：1996-08-13
申请号：US304430
申请日：1994-09-12
申请人： John R. Winters , John M. Gray , Joel D. Tenney
发明人： John R. Winters , John M. Gray , Joel D. Tenney
CPC分类号： C01B11/026
摘要： A process for the production of chlorine dioxide by reacting at least one of chloric acid and an alkali metal chlorate, and hydrogen peroxide as the reducing agent in such proportions that chlorine dioxide is produced in a reaction medium. A mixture comprising chlorine dioxide and oxygen is withdrawn from the reaction medium. Urea and/or one or more phosphonic acid based complexing agents are added to the reaction medium. The stabilizer is added in an amount of 0.01-5 weight % and serves to increase the reaction rate.
摘要翻译： 通过使氯酸和碱金属氯酸盐中的至少一种和作为还原剂的过氧化氢中的至少一种与在反应介质中产生二氧化氯的比例反应来生产二氧化氯的方法。 将包含二氧化氯和氧气的混合物从反应介质中排出。 将尿素和/或一种或多种基于膦酸的络合剂加入到反应介质中。 稳定剂的添加量为0.01-5重量％，用于提高反应速率。
-
公开(公告)号：US5273733A
公开(公告)日：1993-12-28
申请号：US895720
申请日：1992-06-09
申请人： John R. Winters , John M. Gray , Joel D. Tenney
发明人： John R. Winters , John M. Gray , Joel D. Tenney
CPC分类号： C01B11/026
摘要： A process for the production of chlorine dioxide by reacting at least one of chloric acid and an alkali metal chlorate, and hydrogen peroxide as the reducing agent in such proportions that chlorine dioxide is produced in a reaction medium. A mixture comprising chlorine dioxide and oxygen is withdrawn from the reaction medium. Urea and/or one or more phosphonic acid based complexing agents are added to the reaction medium. The stabilizer is added in an amount of 0.01-5 weight % and serves to increase the reaction rate.
摘要翻译： 通过使氯酸和碱金属氯酸盐中的至少一种和作为还原剂的过氧化氢中的至少一种与在反应介质中产生二氧化氯的比例反应来生产二氧化氯的方法。 将包含二氧化氯和氧气的混合物从反应介质中排出。 将尿素和/或一种或多种基于膦酸的络合剂加入到反应介质中。 稳定剂的添加量为0.01-5重量％，用于提高反应速率。
-
公开(公告)号：US5228733A
公开(公告)日：1993-07-20
申请号：US981206
申请日：1992-11-25
申请人： John R. Winters
发明人： John R. Winters
CPC分类号： E05B65/0894 , E06B3/4636 , Y10S292/46 , Y10S292/60 , Y10T292/42
摘要： A safe and taper resistant safety lock system for the top of sliding glass doors and consists of a metal bracket fastened to the top edge of the door, positioned on the door with a screw which is normally found in each door, and then permanently fastened to the door with a second screw. A top, horizontal section, is formed by bending a first end of a metal plate, and extends over the top of the sliding door. The safety lock system is adjusted to reduce the gap between the top of the door and the top of the upper track to prevent lifting of the door out of the bottom track.
摘要翻译： 一种用于滑动玻璃门顶部的安全和锥形安全锁定系统，由固定在门顶部边缘的金属支架组成，该金属支架通过一个通常位于每个门上的螺丝定位在门上，然后永久固定在 门与第二个螺丝。 顶部水平部分通过弯曲金属板的第一端而形成，并且在滑动门的顶部上延伸。 调整安全锁系统以减小门顶部与上轨道顶部之间的间隙，以防止门从底部轨道提起。
-
公开(公告)号：US4404405A
公开(公告)日：1983-09-13
申请号：US307243
申请日：1981-09-30
申请人： John R. Winters
发明人： John R. Winters
IPC分类号： C07D295/02 , C07C209/04 , C07C209/08 , C07C211/10 , C07C211/14 , C07C85/04 , C07C85/06 , C07C89/02
CPC分类号： C07C209/08 , Y02P20/582
摘要： There is disclosed a continuous process for making polyethylene polyamines such as diethylenetriamine, triethylenetetramine, etc. comprising the reaction of ethylene oxide with ammonia to produce a mixture of alkanolamines, the amination of the alkanolamines to ethyleneamines, and the reaction of at least a portion of the ethyleneamines thus produced with ethylene dichloride optionally in the presence of ammonia and/or water.
摘要翻译： 公开了用于制备聚乙烯多胺如二亚乙基三胺，三亚乙基四胺等的连续方法，其包括环氧乙烷与氨的反应以产生链烷醇胺的混合物，将链烷醇胺胺化成亚乙基胺，以及至少部分 由二氯化乙烯制备的乙撑胺任选在氨和/或水的存在下进行。
-
公开(公告)号：US5486344A
公开(公告)日：1996-01-23
申请号：US895634
申请日：1992-06-09
申请人： John R. Winters , John M. Gray , Joel D. Tenney
发明人： John R. Winters , John M. Gray , Joel D. Tenney
CPC分类号： C01B11/026
摘要： The invention relates to a method of producing chlorine dioxide, which method comprises reacting chloric acid with hydrogen peroxide as a reducing agent in such proportions that chlorine dioxide is produced.
摘要翻译： 本发明涉及一种生产二氧化氯的方法，该方法包括以生产二氧化氯的比例使氯酸与过氧化氢作为还原剂反应。
-
公开(公告)号：US5480567A
公开(公告)日：1996-01-02
申请号：US259706
申请日：1994-01-14
IPC分类号： C11D1/04 , C11D1/52 , C11D1/62 , C11D1/72 , C11D1/835 , C11D3/00 , C11D10/04 , C11D17/04 , D06M13/46 , B05D3/12 , D06M10/08
CPC分类号： C11D17/047 , C11D1/835 , C11D10/04 , C11D10/047 , C11D3/001 , C11D1/04 , C11D1/528 , C11D1/62 , C11D1/72
摘要： A tumble dryer article comprising: a mixture of at least two surfactants, (i) a first surfactant present in an amount of about 5 wt. % to about 70 wt. % and having an endotherm peak temperature of from about 75.degree. C. to about 155.degree. C., (ii) a second surfactant present in an amount of about 30 wt. % to about 95 wt. % and having an endotherm peak temperature of from about 35.degree. C. to about 70.degree. C., wherein the peak temperatures of the first and second surfactant of the mixture are different from each other by at least about 1.degree. C. as measured in a differential scanning calorimeter device and a melting transition temperature of the mixture being from about 50.degree. C. to about 120.degree. C.; and dispenser means for dispensing the mixture onto fabrics in a tumble dryer.
摘要翻译： 一种滚筒烘干机制品，包括：至少两种表面活性剂的混合物，（i）以约5wt。 ％至约70wt。 并且具有约75℃至约155℃的吸热峰温度，（ii）以约30重量％的量存在的第二表面活性剂。 ％至约95wt。 并且具有约35℃至约70℃的吸热峰值温度，其中混合物的第一和第二表面活性剂的峰值温度彼此不同至少约1℃，如 差示扫描量热装置和该混合物的熔融转变温度为约50℃至约120℃。 以及用于在滚筒式干燥器中将混合物分配到织物上的分配器装置。
-
公开(公告)号：US5376350A
公开(公告)日：1994-12-27
申请号：US988676
申请日：1992-12-10
申请人： Joel D. Tenney , John R. Winters
发明人： Joel D. Tenney , John R. Winters
IPC分类号： C01B11/02
CPC分类号： C01B11/026
摘要： A plug flow process for the production of chlorine dioxide by reacting chloric acid and/or an alkali metal chlorate, optionally a mineral acid and a reducing agent in such proportions that chlorine dioxide is produced. Reactants are continuously fed to a plug flow reactor under conditions that chloride dioxide is produced as the reactants flow through the reactor. The process stream has an acidity between 2N and 11N. The process stream is subjected to superatmospheric pressure in the reactor sufficient to maintain the formed chlorine dioxide in solution. After removal of the chlorine dioxide from the process stream exiting the plug flow reactor, the process stream can optionally be fed to a second chlorine dioxide generator for further reaction.
摘要翻译： 用于通过使氯酸和/或碱金属氯酸盐，任选的无机酸和还原剂以产生二氧化氯的比例反应来生产二氧化氯的活塞流法。 在反应物流过反应器时产生二氧化氯的条件下，将反应物连续供入活塞流反应器。 工艺流的酸度在2N和11N之间。 工艺物流在反应器中经受超大气压，足以将形成的二氧化氯保持在溶液中。 从离开活塞流反应器的工艺物流中除去二氧化氯后，工艺流可以任选地进料到第二个二氧化氯发生器进一步反应。
-
公开(公告)号：US4400539A
公开(公告)日：1983-08-23
申请号：US307215
申请日：1981-09-30
申请人： Charles A. Gibson , John R. Winters
发明人： Charles A. Gibson , John R. Winters
IPC分类号： C07B61/00 , B01J23/00 , B01J23/84 , C07C67/00 , C07C209/00 , C07C209/16 , C07C209/60 , C07C211/10 , C07C85/06 , C07C89/02
CPC分类号： C07C209/60
摘要： There is described a continuous process for the manufacture of ethylenediamine from the products of the reaction of ethylene oxide and ammonia, provision of a continuous recycle stream of monoethanolamine to the products of the reaction of ethylene oxide and ammonia, the amination of such products of the reaction of ethylene oxide and ammonia combined with the monoethanolamine recycle in which the feed stream to the amination reaction zone contains at least 70 weight percent monoethanolamine as well as diethanolamine and triethanolamine, the moles of ammonia provided to the amination reaction exceeds the molar concentration of alcoholic hydroxyl groups present in the amination feed, and the feed to the amination reactor contains at least a 5% increase in the concentration of monoethanolamine over the concentration of monoethanolamine in the reaction product stream from the reaction of ethylene oxide and ammonia.
摘要翻译： 描述了从环氧乙烷和氨的反应产物制备乙二胺的连续方法，提供了单乙醇胺的连续再循环流到环氧乙烷和氨的反应产物，胺化这些产物的 环氧乙烷和氨与单乙醇胺再循环的反应，其中进入胺化反应区的进料流含有至少70重量％的单乙醇胺以及二乙醇胺和三乙醇胺，提供给胺化反应的氨的摩尔数超过醇的摩尔浓度 存在于胺化进料中的羟基，并且来自胺化反应器的进料包含来自环氧乙烷和氨的反应的反应产物流中单乙醇胺浓度比单乙醇胺浓度增加至少5％。
-
-
-
-
-
-
-
-
搜索结果
9 条记录 (耗时 0.023 秒)
