Systems and methods for making a middle distillate product and lower olefins from a hydrocarbon feedstock
US8920630B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Apr 10, 2008 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Jun 4, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A system comprising a riser reactor comprising a gas oil feedstock and a first catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a first used catalyst; a intermediate reactor comprising at least a portion of the cracked gas oil product and a second catalyst under high severity conditions to yield a cracked intermediate reactor product and a second used catalyst; wherein the intermediate reactor feedstock comprises at least one of a fatty acid and a fatty acid ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.