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US 2026/0234082 A1Published application
Low conversion start-up of a hydrocarbon cracking furnace
AssigneeNOVA Chemicals (International) S.A.
InventorMichael KOSELEK
Life of this patent
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Abstract
Methods are provided for increasing a run length of a hydrocarbon cracking furnace An exemplary method includes starting up a hydrocarbon cracking furnace at a first conversion level of a C1-C4 alkane, wherein the first conversion level is less than or equal to 60% conversion, and maintaining the first conversion level for a predetermined interval.
Claims17
A method comprising:
- starting up a hydrocarbon cracking furnace at a first conversion level of a C1-C4 alkane, wherein the first conversion level is less than or equal to 60% conversion;
- and
- maintaining the first conversion level for a predetermined interval,
- wherein a run length of the furnace is at least 90 days.
1 more element
(canceled)
Dependencies are inferred from the claim text.