Process of Liquefying a gaseous, methane-rich feed to obtain liquefied natural gas
US7266975B2 · kind B2 · utility
15Cited by
18References
68Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2004 |
| Grant date | Sep 11, 2007 |
| Priority date | — |
| Expiry date | Nov 23, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J1/0298
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process of liquefying a gaseous, methane-rich feed to a liquefied product is provided that includes adjusting the composition and the amount of refrigerant and controlling the liquefaction process using an advanced process controller based on model predictive control to determine simultaneous control actions for a set of manipulated variables.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.