Process for the production of fiber-grade terephthalic acid

• Main Authors: SOMMERS; ROY W, SCOTT; LEON S
• Format: Patent
• Language: English
• Published: 19.06.1979
• 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

Process for the preparation of fiber-grade terephthalic acid by continuously oxidizing paraxylene while vaporizing a portion of the contents of the reactor. Fiber-grade terephthalic acid is produced by maintaining (1) a temperature of at least 210 DEG C., (2) a molecular oxygen content of the noncon...