The safety of hydrofluoric acid (HF) catalyzed alkylation and the banning of HF units have focused the attention of refiners on an important process. Refiners held a lengthy discussion of process and safety issues related to HF alkylation at the most recent National Petroleum Refiners Association question and answer session on refining and petrochemical technology, held in Philadelphia, Oct. 3-51 1990. Details on this important meeting and its format can be found in OGJ, Mar. 25, p. 51. OXYGENATES IN FEED What effect do oxygenates in the olefin feed have on the operation of the HF alkylation unit? UTLEY: Generally oxyg...

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