Process for delayed coking of coking feedstocks
Patent
·
OSTI ID:5787492
This patent describes a delayed coking process. It comprises: introducing a coker feed to a combination tower; fractionating the coker feed in the combination tower to provide a first cokable portion containing easily cokable components and a second cokable portion essentially free of easily cokable components; heating the first cokable portion to a temperature below 900{degree}F; heating the second cokable portion to a temperature at which a combination of the first cokable portion and the second cokable portion provides a combined feed which is at coking temperatures of from about 780{degree}F to about 950{degree}F; and coking the combined feed at coking temperatures of from about 780{degree}F to about 950{degree}F.
- Assignee:
- Lummus Crest Inc., Bloomfield, NJ (USA)
- Patent Number(s):
- A; US 4983272
- Application Number:
- PPN: US 7-274401
- OSTI ID:
- 5787492
- Country of Publication:
- United States
- Language:
- English
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