Thoughts within the framework of familial catalytic extension

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The popularity of the process for producing ethylene directly from crude oil has contributed to the emergence of the technology for producing propylene through catalytic cracking of crude oil (CCPP). As a result, the family of catalytic cracking processes has expanded. The innovative developments in FCC, DCC, CPP, VCC, OCC, SUPFLEX, CCPP, and other similar processes will surely herald a new era of high-quality development for catalytic cracking. Given the reaction mechanisms involved in hydrocracking as well as the characteristics of the products produced, it is appropriate to consider hydrocracking as part of the catalytic cracking family. This leads to the question of how to address the production challenges associated with balancing the yield of heavy naphtha and aromatic compounds with the efficiency of hydrocracking units How to consider appropriately controlling the BMCI index of tail oil in order to release the processing capacity of hydrocracking units, and address the economic feasibility of using catalytic cracking to process tail oil for the production of light hydrocarbons? Under the integrated refining and chemical processing process, the various units are no longer individual entities; instead, they are arranged in a matrix pattern with three-dimensional intersections, presenting countless areas for optimization.