PROCESS FOR THE PRODUCTION OF ACETIC ACID

• Main Author: MUSKETT, MICHAEL JAMES
• Format: Patent
• Language: English
• Published: 31.12.2004
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS THEREFOR; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; GENERAL METHODS OF ORGANIC CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

IN A PROCESS FOR THE PRODUCTION OF ACETIC ACID BY CARBONYLATION OF METHANOL AND/OR A REACTIVE DERIVATIVE IN THE PRESENCE OF A GROUP VIII NOBLE MATEL CARBONYLATION CATALYST, METHYL IODIDE CO-CATALYST AT A CONCENTRATION OF AT LEAST 2 WTOPTIONALLY AT LEAST ONE PROMOTER AT LEAST FINITE CONCENTRATION OF WATER, METHYL ACETATE AT A CONCENTRATION OF AT LEAST 8W/W AND ACID PRODUCT, THE SEPARABILITY OF AN UPPER (AQUEOUS) LAYER AND A LOWER (ORGANIC) LAYER IN THE DECANTER OF THE LIGHT ENDS COLUMN IS ACHIEVED BY MAINTAINING THE CONCENTRATION OF ACETIC ACID IN THE CONDENSED OVERHEAD VAPOUR FRACTION PASSED TO THE DECANTER AT OR BELOW 8 WT