This article introduces the commercial application of FCC technology equipped with a gasoline auxiliary reactor in the RFCC unit at PetroChina Harbin Petrochemical Branch Company.Test results have shown the excellent outcome for commercial application of the gasoline upgrading in the auxiliary reactor to reduce the olefin content in FCC naphtha.Application of this technology can reduce the olefin content in FCC naphtha to less than 35v%.Adjustment of the FCC operation towards more severg conditions can further reduce the olefin content in FCC naphtha to less than 20 v%.so that the FCC naphtha can meet the current standard or meet more stringent specification requirements in the future to achieve compelling economic and social benefits.
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