A term in catalytic cracking
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It is presented in tabular form, with basically no contextual information. Feed Properties Description: API Gravity – Displays the API gravity of the fresh feed; Specific Gravity 60F/60F – Displays the specific gravity of the fresh feed at 60F; K Factor based on D1160 VABP – Displays the UOP characterization factor based on D1160 VABP. The meanings of VABP and K are difficult to determine; the translation of those two terms is challenging, so I’m waiting for experts to help. This post was last edited by niuky on 2009-3-31 09:57
For the K Factor, please refer to http://bbs.hcbbs.com/thread-399607-1-1.html. ASTM D1160 – Method for vacuum distillation of petroleum products; VABP = volumetric average boiling point, i.e., the volume-based average boiling point