DURCH BROM KATALYSIERTE OXYDATIONSPROZESSE

摘要

PCT No. PCT/GB93/00992 Sec. 371 Date Jan. 23, 1995 Sec. 102(e) Date Jan. 23, 1995 PCT Filed May 14, 1993 PCT Pub. No. WO93/23359 PCT Pub. Date Nov. 25, 1993In plant for the production and processing of an aromatic carboxylic acid such as terephthalic acid, at least some of the plant components (especially those exposed to an acidic reaction medium at elevated temperatures and pressures in excess of 180 DEG C. and 8 bara respectively) are fabricated from duplex stainless steels and the conditions under which such plant components are exposed to the reaction medium are controlled to maintain a low corrosion rate.