Process for the manufacture of carboxylic acids
Abstract
Abstract CARBOXYLIC ACIDS ARE PRODUCED BY OXIDATION OF ALIPHATIC ALDEHYDES WITH OXYGEN OR AN OXYGEN-CONTAINING GAS MIXTURE IN THE GAS PHASE IN CONTACT WITH A CATALYST BY OXIDIZING AN ALIPHATIC ALDEHYDE CONTAINING FROM 2 TO 6 CARBON ATOMS AT ELEVATED TEMPERATURES IN THE PRESENCE OF A CARRIER CATALYST CONTAINING METALLIC PALLADIUM AND/OR PALLADIUM OXIDE AND/OR A PALLADIUM SALT AND AT LEAST ONE FURTHER SUBSTANCE COMPRISING PLATINUM, RHODIUM, RUTHENIUM, IRIDIUM, COPPER, SILVER, GOLD, ZINC, CADMIUM, TIN, LEAD, BISMUTH, CHROMIUM, MOLYBDENUM, TUNGSTEN, MANGANESE, IRON, COBALT, NICKEL OR TELLURIUM IN METALLIC FORM OR IN OXIDE OR SALT FORM, AND/OR AN ALKALI METAL OR ALKALINE EARTH METAL COMPOUND AS AN ACTIVATOR.
Inventors
- 👤 Kurt Sennewald
- 👤 Wilhelm Vogt
- 👤 Heinz Erpenbach
- 👤 Hermann Glaser
Bibliographic Details
Claims Analysis
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