SU420326A1 - METHOD FOR PREPARING A CATALYST FOR HYDROGENING ORGANIC COMPOUNDS ^ P "" "h-s ;: • ^ - Google Patents
METHOD FOR PREPARING A CATALYST FOR HYDROGENING ORGANIC COMPOUNDS ^ P "" "h-s ;: • ^Info
- Publication number
- SU420326A1 SU420326A1 SU1864339A SU1864339A SU420326A1 SU 420326 A1 SU420326 A1 SU 420326A1 SU 1864339 A SU1864339 A SU 1864339A SU 1864339 A SU1864339 A SU 1864339A SU 420326 A1 SU420326 A1 SU 420326A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- catalyst
- organic compounds
- preparing
- hydrogening
- hydrogen
- Prior art date
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Description
1one
Изобретение относитс к способам получени катализаторов дл гидрировани органических соединений, в частности жирных кислот .The invention relates to methods for producing catalysts for the hydrogenation of organic compounds, in particular fatty acids.
Известен способ получени катализатора дл гидрировани органических соединений путем пропитки водно-спиртовым раствором комплексной соли паллади Na2PdCl6 шарикового синтетического алюмосиликата с последующей сушкой, нагреванием до 110°С дл разложени комплекса Pd и восстановлением в потоке водорода.A method is known for preparing a catalyst for hydrogenating organic compounds by impregnating a palladium Na2PdCl6 complex salt of a ball synthetic aluminosilicate with a water-alcohol solution, followed by drying, heating to 110 ° C to decompose the Pd complex and recovering in a hydrogen stream.
Однако известный катализатор недостаточно стабилен, а шариковый алюмосиликат быстро разрушаетс .However, the known catalyst is not sufficiently stable, and the ball aluminosilicate is quickly destroyed.
Цель изобретени - разработка способа получени катализатора с высокой механической прочностью, стабильностью и возможностью регенерации путем окислени и последуюш ,его восстановлени .The purpose of the invention is to develop a method for producing a catalyst with high mechanical strength, stability and the possibility of regeneration by oxidation and subsequent recovery of it.
Это достигаетс путем обработки катализатора перед его восстановлением водными растворами солей металлов VI группы, например сульфатами, аммоний-сульфатами или нитратами хрома, молибдена, вольфрама или ванади в соотношении 1 : 1 - 1 : 10.This is achieved by treating the catalyst before its reduction with aqueous solutions of salts of metals of Group VI, for example, sulphates, ammonium sulphates or chromium, molybdenum, tungsten or vanadium nitrates in a ratio of 1: 1-1: 10.
После обработки водными растворами солей катализатор прокаливают при 350-400°С на воздухе и восстанавливают в токе водорода .After treatment with aqueous solutions of salts, the catalyst is calcined at 350–400 ° C in air and reduced in a stream of hydrogen.
Катализатор, полученный по этому способу , имеет повышенную активность и стабильность , котора превышает в 10-15 раз стабильность известного катализатора.The catalyst obtained by this method has an increased activity and stability, which is 10-15 times greater than the stability of a known catalyst.
Пример. 100 см катализатора, содержаш ,его 0,75% паллади , обрабатывают раствором Сг()з в соотношении 1 : 10, затем прокаливают на воздухе при 350°С в течение 2 час, загружают в реактор колонного типа и восстанавливают в токе водорода при 180- 200°С и определенной скорости цнркул цин водорода через слой катализатора в течение 2 час. Гидрирование дистиллированных жирных кислот из хлопкового соапстока провод т струевым и противотоковым методами.Example. 100 cm of catalyst, containing 0.75% palladium, are treated with a solution of Cg () s in a ratio of 1: 10, then calcined in air at 350 ° C for 2 hours, loaded into a column-type reactor and reduced in a stream of hydrogen at 180 - 200 ° C and a certain rate of hydrogen hydrogen through the catalyst bed for 2 hours. Hydrogenation of distilled fatty acids from cotton juice stock is carried out by jet and countercurrent methods.
При струевом методе процесс протекает с высокой селективностью и при скорости подачи исходных кислот 3,24 и давлении водорода 15 атм в гидрогенизате содержитс Cla 16,5%, 53,4%, 29,5%, прочих 0,6%. Данный метод рекомендуетс дл получени туалетного и хоз йственного мыла. Противотоковый метод имеет большую и меньшую селективность и рекомендуетс дл получени стеарина.In the jet method, the process proceeds with high selectivity and, at a feed rate of starting acids of 3.24 and a hydrogen pressure of 15 atm, the hydrogenate contains Cla 16.5%, 53.4%, 29.5%, and others 0.6%. This method is recommended for obtaining toilet and household soaps. The countercurrent method has higher and lower selectivity and is recommended for the preparation of stearin.
Предмет изобретени Subject invention
Способ приготовлени катализатора дл гидрировани органических соединений, на3 пример жирных кислот, путем пропитки шарикового синтетического алюмосиликата водно-спиртовым раствором комплексной соли паллади с последующей сушкой, нагреванием до 110°С и восстановлением в токе водо-5 рода, отличающийс тем, что, с целью повыщени активности, механической прочно4 сти, стабильности и возможности регенерации катализатора, перед восстановлением его пропитьгеают водными растворами солей металлов VI группы, например сульфатами, аммоний-сульфатами или нитратами хрома, молибдена , вольфрама, или солью ванади в соотношении 1:1 - 1 : 10.The method of preparing a catalyst for the hydrogenation of organic compounds, for example, fatty acids, by impregnating the ball synthetic aluminosilicate with a water-alcohol solution of the palladium complex salt, followed by drying, heating to 110 ° C and recovering in a stream of water-5, characterized in to increase the activity, mechanical strength, stability and possibility of catalyst regeneration, before restoring it, it should be treated with aqueous solutions of salts of metals of the sixth group, for example, sulfates, ammonium fatami or nitrates of chromium, molybdenum, tungsten, or vanadium salt in a ratio of 1: 1 - 1: 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1864339A SU420326A1 (en) | 1972-12-28 | 1972-12-28 | METHOD FOR PREPARING A CATALYST FOR HYDROGENING ORGANIC COMPOUNDS ^ P "" "h-s ;: • ^ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1864339A SU420326A1 (en) | 1972-12-28 | 1972-12-28 | METHOD FOR PREPARING A CATALYST FOR HYDROGENING ORGANIC COMPOUNDS ^ P "" "h-s ;: • ^ |
Publications (1)
Publication Number | Publication Date |
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SU420326A1 true SU420326A1 (en) | 1974-03-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1864339A SU420326A1 (en) | 1972-12-28 | 1972-12-28 | METHOD FOR PREPARING A CATALYST FOR HYDROGENING ORGANIC COMPOUNDS ^ P "" "h-s ;: • ^ |
Country Status (1)
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SU (1) | SU420326A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0198682A2 (en) * | 1985-04-13 | 1986-10-22 | BP Chemicals Limited | Alcohols production by hydrogenation of carboxylic acids |
-
1972
- 1972-12-28 SU SU1864339A patent/SU420326A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0198682A2 (en) * | 1985-04-13 | 1986-10-22 | BP Chemicals Limited | Alcohols production by hydrogenation of carboxylic acids |
EP0198682B1 (en) * | 1985-04-13 | 1991-03-06 | BP Chemicals Limited | Alcohols production by hydrogenation of carboxylic acids |
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