发明名称 |
Natural gas liquefaction process |
摘要 |
The invention relates to a natural gas liquefaction process and particularly to one suited to use offshore. The invention provides a natural gas liquefaction apparatus wherein a carbon dioxide based pre-cooling circuit is provided in a cascade arrangement with a main cooling circuit. The invention also extends to a natural gas liquefaction apparatus wherein a main cooling circuit uses as a refrigerant a gas stream, at least a portion of which is derived from a raw natural gas source.
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申请公布号 |
US7386996(B2) |
申请公布日期 |
2008.06.17 |
申请号 |
US20020221885 |
申请日期 |
2002.12.23 |
申请人 |
DEN NORSKE STATS OLJESELSKAP A.S. |
发明人 |
FREDHEIM ARNE OLAY;PAUROLA PENTTI |
分类号 |
F25J1/00;F25B1/10;F25B9/00;F25J1/02 |
主分类号 |
F25J1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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