Tutorial: Delayed Coking Fundamentals

Tutorial: Delayed Coking Fundamentals Paul J. Ellis Christopher A. Paul Great Lakes Carbon Corporation Port Arthur, TX Prepared for presentation at the AIChE 1998 Spring National Meeting New Orleans, LA March 8-12, 1998 Topical Conference on Refinery Processing Tutorial Session: Delayed Coking Paper 29a Copyright 1998 Great Lakes Carbon Corporation UNPUBLISHED March 9, 1998 This paper was downloaded from 2 ABSTRACTG reat Lakes Carbon Corporation has worked closely with refineries producing Delayed coke in all forms,fuel grade (shot or sponge), anode grade (sponge), and electrode grade (needle) since start-up of thecompany's first calcining operation in 1937. With on-going research in the area of Delayed Coking since 1942,Great Lakes Carbon (GLC) has operated Delayed Coking pilot units including an excellent large-scale pilotunit with a coke drum meter (1 ft) diameter by meters (7 ft) long and has developed physical modelswhich explain coke formation in coke of commercial Delayed Coking units as well as that of the GLC Pilot Delayed Coker is used inthis tutorial paper to describe the formation and uses of the three types of structures of Delayed petroleumcoke: needle, sponge, and shot.

3 WHAT IS DELAYED COKING? Delayed coking is a thermal cracking process used in petroleum refineries to upgrade and convert petroleum residuum (bottoms from atmospheric and vacuum distillation of crude oil) into liquid and gas product streams

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  Fundamentals, Petroleum, Delayed

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