专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5625114A Process for the recovery of spent acid catalyst 失效
标题翻译：废酸催化剂回收方法
公开(公告)号：US5625114A
公开(公告)日：1997-04-29
申请号：US450389
申请日：1995-05-25
申请人： Sven I. Hommeltoft
发明人： Sven I. Hommeltoft
IPC分类号： B01J27/053 , B01J27/12 , B01J27/28 , B01J31/40 , B01J38/48 , C07B61/00 , C07C2/54 , C07C2/62 , C07C9/16 , C10G35/06 , C07C2/58 , B01J20/34
CPC分类号： B01J31/0227 , B01J31/0225 , B01J31/40 , C07C2/54 , C07C2/62 , B01J2231/4205 , C07C2531/025 , Y02P20/584
摘要： A process for the recovery of a sulphonic acid catalyst from an aqueous extract of an alkylation effluent stream comprising the steps ofevaporating the extract to obtain a hydrate of the sulphonic acid catalyst;reacting the hydrate with an olefin containing hydrocarbon stream to its corresponding sulphonic acid ester; andintroducing the acid ester to a process for the alkylation of a hydrocarbon feedstock with an olefinic alkylation agent at alkylation conditions, thereby decomposing the sulphonic acid ester to its acid form being catalytic active in the alkylation process.
摘要翻译：一种从烷基化流出物流的水提取物中回收磺酸催化剂的方法，包括蒸发萃取物以获得磺酸催化剂的水合物的步骤; 使水合物与含烯烃的烃流反应至其相应的磺酸酯; 并将酸酯引入烷基化条件下用烯烃烷基化剂烷基化烃原料的方法，从而在磺化过程中将磺酸酯分解为具有催化活性的酸形式。

2. 发明授权

US5693855A Process for the synthesis of fluorinated sulfonic acids 失效
标题翻译：合成氟化磺酸的方法
公开(公告)号：US5693855A
公开(公告)日：1997-12-02
申请号：US596487
申请日：1996-02-05
申请人： John Zavilla , Sven Ivar Hommeltoft
发明人： John Zavilla , Sven Ivar Hommeltoft
IPC分类号： C07C303/32 , C07C303/44 , C07C309/06 , C07C309/04
CPC分类号： C07C303/44 , C07C303/32
摘要： Process for the preparation of a fluorinated sulphonic acid compound by hydrolysis of a corresponding fluorinated sulphonyl fluoride in the presence of a tertiary amine, comprising steps of (a) recovering a mixture of a salt of the fluorinated sulphonic acid with the tertiary amine and an ammonium fluoride salt of the tertiary amine; (b) distilling off the tertiary ammonium fluoride salt and leaving a distillation remanence containing the salt of the fluorinated sulphonic acid with the tertiary amine; and (c) recovering the fluorinated sulphonic acid compound from the distillation remanence.
摘要翻译：在叔胺存在下通过水解相应的氟化磺酰氟制备氟化磺酸化合物的方法，包括以下步骤：（a）回收氟化磺酸的盐与叔胺和铵的混合物叔胺氟化物盐; （b）蒸除叔氟化铵盐，并将含有氟化磺酸盐的蒸馏残留物与叔胺混合; 和（c）从蒸馏剩磁中回收氟化磺酸化合物。

3. 发明授权

US5618769A Process for the recovery of alkylation catalyst 失效
标题翻译：回收烷基化催化剂的方法
公开(公告)号：US5618769A
公开(公告)日：1997-04-08
申请号：US400859
申请日：1995-03-08
申请人： Sven I. Hommeltoft
发明人： Sven I. Hommeltoft
IPC分类号： B01J31/40 , C07C2/54 , B01J38/60 , B01J38/66
CPC分类号： B01J31/0225 , B01J31/0224 , B01J31/40 , C07C2/54 , B01J2231/4205 , B01J31/0239 , C07C2531/025 , Y02P20/584
摘要： Process for the recovery of spent fluorinated sulfonic catalyst from acid soluble oil (ASO) being formed during alkylation of hydrocarbons in the presence of the acid catalyst. The process includeswashing the ASO with water and recovering an aqueous solution of the acid catalyst,neutralizing the acid in the aqueous solution by adding to the solution a basic compound being selected from the group of amino compounds, ammonia and ammonium salts, thereby, forming ammonium salts of the acid catalyst with a melting point at which the obtained acid catalyst salt in a subsequent concentration and drying step is in the form of a melt,drying the melt, and finallyrecovering the acid catalyst by protonization of the dried melt with sulfuric acid and distilling off the recovered acid catalyst from the sulfuric acid.
摘要翻译：在酸催化剂存在下，在烃的烷基化过程中形成的酸溶性油（ASO）中回收乏氟氟磺酸催化剂的方法。该方法包括用水洗涤ASO并回收酸催化剂的水溶液，通过向该溶液中加入选自氨基化合物，氨和铵盐的碱性化合物，中和水溶液中的酸，从而形成具有熔点的酸催化剂的铵盐，其中所获得的酸催化剂盐在随后的浓缩和干燥步骤中是熔体形式，干燥熔体，最后通过硫酸质子化干燥的熔体回收酸催化剂酸并从硫酸中蒸馏出回收的酸催化剂。

4. 发明授权

US5603812A Process for the recovery of a strong acid from an aqueous solution 失效
标题翻译：从水溶液中回收强酸的方法
公开(公告)号：US5603812A
公开(公告)日：1997-02-18
申请号：US301842
申请日：1994-09-07
申请人： Sven I. Hommeltoft
发明人： Sven I. Hommeltoft
IPC分类号： B01J31/40 , C07C2/54 , C07C2/62 , B01D3/34
CPC分类号： B01J31/0227 , B01J31/40 , C07C2/54 , C07C2/62 , B01J2231/4205 , B01J31/0237 , C07C2531/025 , Y02P20/584
摘要： A process for the recovery of an acid in its anhydrous form from an aqueous solution containing the acid in its hydrated form. The process includes adding to the solution a weak base in the form of a soluble salt of the acid, and concentrating the solution containing the acid hydrate and the salt of the acid to a substantially water-free, acid-salt mixture. The acid is distilled off in its anhydrous form from the acid-salt mixture.
摘要翻译：从含有其水合形式的酸的水溶液中回收其无水形式的酸的方法。该方法包括向溶液中加入酸的可溶性盐形式的弱碱，并将含有酸水合物和酸的盐的溶液浓缩至基本上无水的酸 - 盐混合物。从酸 - 盐混合物中以无水形式蒸馏出酸。

5. 发明授权

US5587134A Process for decomposing ammonia in an off-gas 失效
标题翻译：在废气中分解氨的方法
公开(公告)号：US5587134A
公开(公告)日：1996-12-24
申请号：US542145
申请日：1995-10-12
申请人： Flemming Dannevang
发明人： Flemming Dannevang
IPC分类号： C01B21/26 , B01D53/86 , B01J23/64 , B01J23/652 , B01J23/656 , B01J23/89 , B01J27/053 , B01D53/22
CPC分类号： B01D53/8634
摘要： In a process for the catalytic low temperature oxidation of ammonia to nitrogen in an ammonia containing off-gas at a temperature of between 200.degree. C. and 500.degree. C. the improvement comprises,sulphating a catalyst comprising on an inert carrier a metal selected from the group of copper, cobalt, iron, chromium, nickel, manganese and mixtures thereof in the form of their oxides and/or sulphates and a further component selected from the group of platinum metals;contacting the ammonia containing atmosphere with the catalyst, andwithdrawing a decomposed gas being rich in nitrogen.
摘要翻译：在200℃至500℃的温度下，在含氨废气中的氨催化低温氧化到氮气的过程中，改进包括将包含在惰性载体上的催化剂硫酸化，所述催化剂选自其氧化物和/或硫酸盐形式的铜，钴，铁，铬，镍，锰及其混合物的组以及选自铂金属的另外的组分; 使含氨气氛与催化剂接触，并且抽出富含氮气的分解气体。

6. 发明授权

US5607893A Method for uniform loading of catalyst tubes 失效
标题翻译：催化剂管均匀加载的方法
公开(公告)号：US5607893A
公开(公告)日：1997-03-04
申请号：US349181
申请日：1994-12-02
申请人： Ebbe J. Diekmann
发明人： Ebbe J. Diekmann
IPC分类号： B01J4/00 , B01J8/00 , B01J8/06 , B01J37/02 , B01J8/08
CPC分类号： B01J8/003 , B01J37/0215 , B01J8/06 , B01J2208/00752 , Y10S502/523
摘要： A method for the uniform loading of catalyst tubes with catalyst particles, which tubes are mounted at tube inlet side in a tube sheet, the method comprises introducing a feedstream of catalyst particles on the tubesheet in a number of substreams with a substantial equal particle flow and velocity by dividing the feedstream and each resulting substream into at least two streams in two or more dividing steps.
摘要翻译：一种催化剂管与催化剂颗粒均匀加载的方法，该管被安装在管板的管入口侧，该方法包括在具有基本相等的颗粒流的多个子流中将催化剂颗粒的进料流引入管板上，通过将进料流和每个所得的子流分成两个或更多个分离步骤中的至少两个流来实现。

7. 发明授权

US5599517A Catalyst for steam reforming of hydrocarbons 失效
标题翻译：碳氢化合物蒸汽重整用催化剂
公开(公告)号：US5599517A
公开(公告)日：1997-02-04
申请号：US571780
申请日：1995-12-13
申请人： Israr Ul-Haque , David L. Trimm
发明人： Israr Ul-Haque , David L. Trimm
IPC分类号： B01J23/835 , B01J23/825 , B01J23/84 , B01J23/843 , C01B3/26 , C01B3/40 , C01B32/40 , C01B31/18
CPC分类号： B01J23/835 , B01J23/843 , C01B3/40 , Y02P20/52
摘要： A process for the production of hydrogen and/or carbon monoxide rich gases by steam reforming of a hydrocarbon feedstock, the process comprising the step of contacting the hydrocarbon feedstock and steam with a catalyst comprising nickel as a main catalytic component, a refractory carrier material for the nickel, and at least one catalytic element for the steam reforming of the hydrocarbon feedstock, the element being selected from the group consisting of germanium, tin, lead, arsenic, antimony and bismuth.
摘要翻译：一种用于通过烃原料的蒸汽重整生产富含氢和/或一氧化碳的气体的方法，所述方法包括使烃原料和蒸汽与包含镍作为主要催化组分的催化剂接触的步骤，用于所述镍和至少一种用于所述烃原料的蒸汽重整的催化元素，所述元素选自锗，锡，铅，砷，锑和铋。

8. 发明授权

US5575906A Process for the electrochemical fluorination of a hydrocarbon substrate 失效
标题翻译：碳氢化合物基质的电化学氟化方法
公开(公告)号：US5575906A
公开(公告)日：1996-11-19
申请号：US497649
申请日：1995-06-30
申请人： Sven I. Hommeltoft , Ole Ekelund
发明人： Sven I. Hommeltoft , Ole Ekelund
IPC分类号： C25B3/08
CPC分类号： C25B3/08
摘要： Process for the electrochemical fluorination of a hydrocarbon substrate in the presence of a HF-containing electrolyte under electrochemical fluorination conditions to a fluorinated product and a hydrogen gas by-product, the improvement of which comprises additional steps of(a) continuously separating the formed fluorinated product from the electrolyte by extracting the electrolyte with an extraction agent,(b) continuously separating residual amounts of the fluorinated product from the hydrogen gas by-product by extraction of the gas with an extraction agent; and(c) recovering the fluorinated product by distillation of the extraction agent from step (a) and step (b).
摘要翻译：在电化学氟化条件下在含HF电解质存在下将烃基质电化学氟化为氟化产物和氢气副产物的方法，其改进包括以下步骤：（a）连续分离形成的氟化物通过用提取剂提取电解质从电解质中得到的产物，（b）用提取剂萃取气体，将残留量的氟化产物与氢气副产物连续分离; 和（c）通过蒸馏步骤（a）和步骤（b）的萃取剂回收氟化产物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式