Startup of an olefins production plant
US7270740B2 · kind B2 · utility
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1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 23, 2005 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | May 23, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S585/951
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for starting up an olefin production plant without venting gases to the atmosphere wherein an artificial feed is employed in the compression zone of the plant while the furnace and quench zones remain idle, and gases from the compression and refrigeration zones of the plant are recycled to the inlet of the compression zone during startup, after which the furnace and quench zones are started up using natural feed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.