Natural gas liquefaction employing independent refrigerant path
US10655911B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2012 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Nov 1, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2235/60
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of liquefying natural gas. The method comprises cooling a gaseous natural gas process stream with a refrigerant flowing in a path isolated from the natural gas process stream. The refrigerant may differ in composition from a composition of the natural gas process stream, and the refrigerant composition may be selected to enhance efficiency of the refrigerant path with regard to a specific composition of the natural gas process stream. The refrigeration path may be operated at pressures, temperatures and flow rates differing from those of the natural gas process stream. Other methods of liquefying natural gas are described. A natural gas liquefaction plant is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.