SU1593009A1 - METHOD FOR PREPARING THE PALLAD CATALYST ON CARBON MEDIA FOR HYDROGENATION OF O-NITROPHENOL IN O-AMINOPHENOL - Google Patents
METHOD FOR PREPARING THE PALLAD CATALYST ON CARBON MEDIA FOR HYDROGENATION OF O-NITROPHENOL IN O-AMINOPHENOLInfo
- Publication number
- SU1593009A1 SU1593009A1 SU4322576/04A SU4322576A SU1593009A1 SU 1593009 A1 SU1593009 A1 SU 1593009A1 SU 4322576/04 A SU4322576/04 A SU 4322576/04A SU 4322576 A SU4322576 A SU 4322576A SU 1593009 A1 SU1593009 A1 SU 1593009A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- palladium
- catalyst
- solution
- nitrophenol
- aminophenol
- Prior art date
Links
Abstract
Способ приготовления палладиевого катализатора на углеродном носителе для гидрирования о-нитрофенола в о-аминофенол, включающий смешивание растворов палладийхлористоводородной кислоты и натрийсодержащего щелочного агента, суспендирование углеродного носителя с последующими восстановлением, промывкой и сушкой, отличающийся тем, что, с целью получения катализатора с повышенной активностью, смешивание ведут при молярном соотношении палладийхлористоводородной кислоты и натрийсодержащего щелочного агента 2,4 - 3,4 : 1 в растворе хлорида натрия с образованием раствора гидроксокомплексов палладия, суспендирование носителя ведут сначала в растворе хлорида натрия, затем к полученной суспензии добавляют полученный раствор гидроксокомплексов палладия и восстановление проводят в присутствии хлорида триоктилметил-аммония.The method of preparation of a palladium catalyst on a carbon carrier for the hydrogenation of o-nitrophenol to o-aminophenol, comprising mixing solutions of palladium hydrochloric acid and a sodium-containing alkaline agent, suspending the carbon carrier followed by reduction, washing and drying, characterized in that, in order to produce a catalyst with enhanced activity , mixing is carried out at a molar ratio of palladium hydrochloric acid and sodium alkaline agent 2.4 - 3.4: 1 in a solution of chloride atria to form a solution of palladium hydroxo, suspending media are first in the sodium chloride solution is then added to the suspension obtained hydroxo palladium solution, and the reduction is performed in the presence of ammonium chloride, trioktilmetil.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4322576/04A SU1593009A1 (en) | 1987-09-14 | 1987-09-14 | METHOD FOR PREPARING THE PALLAD CATALYST ON CARBON MEDIA FOR HYDROGENATION OF O-NITROPHENOL IN O-AMINOPHENOL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4322576/04A SU1593009A1 (en) | 1987-09-14 | 1987-09-14 | METHOD FOR PREPARING THE PALLAD CATALYST ON CARBON MEDIA FOR HYDROGENATION OF O-NITROPHENOL IN O-AMINOPHENOL |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1593009A1 true SU1593009A1 (en) | 1999-06-10 |
Family
ID=60527594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4322576/04A SU1593009A1 (en) | 1987-09-14 | 1987-09-14 | METHOD FOR PREPARING THE PALLAD CATALYST ON CARBON MEDIA FOR HYDROGENATION OF O-NITROPHENOL IN O-AMINOPHENOL |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1593009A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009061236A2 (en) * | 2007-11-08 | 2009-05-14 | Uchrejdenie Rossiyskoy Akademii Nauk Institut Problem Khimicheskoy Fiziki Ran (Ipkhf Ran) | Catalyst and a method for the production thereof |
-
1987
- 1987-09-14 SU SU4322576/04A patent/SU1593009A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009061236A2 (en) * | 2007-11-08 | 2009-05-14 | Uchrejdenie Rossiyskoy Akademii Nauk Institut Problem Khimicheskoy Fiziki Ran (Ipkhf Ran) | Catalyst and a method for the production thereof |
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