Bottom-cracking additive improves FCC middle distilate yeilds

For the first time, bottom-cracking additives (BCA) have been tested in a distillate-mode fluid catalytic cracking (FCC) unit. The research and development center of Indian Oil Corp. Ltd. conducted the BCA trial in one of its distillate-mode FCC units. Plant data demonstrate that BCA can improve the middle distillate yield by about 2 wt % or more (depending on feed heaviness) through selective upgrading of the bottoms. Bottom-cracking additive is a large pore (

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