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-AMINOPHENOL

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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
Application number
SU4322576/04A
Other languages
Russian (ru)
Inventor
С.Ю. Троицкий
В.А. Лихолобов
П.А. Симонов
А.С. Лисицын
А.В. Романенко
Д.Ю. Троицкий
Т.А. Попова
Ч.Ян-Г.Н.
П.К. Швец
В.А. Камцен
Г.В. Плаксин
В.Ф. Суровикин
Original Assignee
Институт катализа СО АН СССР
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Институт катализа СО АН СССР filed Critical Институт катализа СО АН СССР
Priority to SU4322576/04A priority Critical patent/SU1593009A1/en
Application granted granted Critical
Publication of SU1593009A1 publication Critical patent/SU1593009A1/en

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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.

SU4322576/04A 1987-09-14 1987-09-14 METHOD FOR PREPARING THE PALLAD CATALYST ON CARBON MEDIA FOR HYDROGENATION OF O-NITROPHENOL IN O-AMINOPHENOL SU1593009A1 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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