VINYL ACETATE Catalyst comprising Metallic Palladium, copper and Gold deposited on a Carrier and prepared with potassium aurato

摘要

Catalyst for production of vinyl acetate by reacting Ethylene, acetic acid and Oxygen with low selectivity of CO2, which comprises a base that is deposited in the Porous PDAU and cu, and it includes: (i) on the basis of palladium and Copper Solutions with water solublePreferably na2pdcl4 and CuCl2 respectively; (ii) to establish the PD and cu in the form of water insoluble compounds through reaction with an Alkaline Compound suitable; (iii) reduction of PD andCU to form metal; (iv) Make The Catalyst PD / cu contact kauo2 solution and reduce the kauo2 au metal.Alternatively, the base can be: (i) first come in contact with a solution of kauo2, reducing the kauo2 to Metallic Gold; (ii) come in contact with a solution of PD and Cu soluble in waterWith subsequent reduction of PD and cu to form metal.The Catalyst contains about 10 grams, 1 gram of PD, around 0.5 grams to 10 grams of about 0.3 grams au and cu to 5.0 grams per litre of CatalystAnd the amount of au is around 10% to 125% by weight based on the weight of PD.The Catalyst also contains a deposit of Potassium acetate in a quantity of 10 grams / litre to 70 grams / litre of Catalyst