IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0397406
(2003-03-26)
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발명자
/ 주소 |
- Kimble, E. Lawrence
- Bowen, Ronald R.
- Rigby, James R.
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출원인 / 주소 |
- ExxonMobil Upstream Research Company
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
17 |
초록
▼
A process is provided for converting a boil-off stream comprising methane to a liquid having a preselected bubble point temperature. The boil-off stream is pressurized, then cooled, and then expanded to further cool and at least partially liquefy the boil-off stream. The preselected bubble point tem
A process is provided for converting a boil-off stream comprising methane to a liquid having a preselected bubble point temperature. The boil-off stream is pressurized, then cooled, and then expanded to further cool and at least partially liquefy the boil-off stream. The preselected bubble point temperature of the resulting pressurized liquid is obtained by performing at least one of the following steps: before, during, or after the process of liquefying the boil-off stream, removing from the boil-off stream a predetermined amount of one or more components, such as nitrogen, having a vapor pressure greater than the vapor pressure of methane, and before, during, or after the process of liquefying the boil-off stream, adding to the boil-off stream one or more additives having a molecular weight heavier than the molecular weight of methane and having a vapor pressure less than the vapor pressure of methane.
대표청구항
▼
A process is provided for converting a boil-off stream comprising methane to a liquid having a preselected bubble point temperature. The boil-off stream is pressurized, then cooled, and then expanded to further cool and at least partially liquefy the boil-off stream. The preselected bubble point tem
A process is provided for converting a boil-off stream comprising methane to a liquid having a preselected bubble point temperature. The boil-off stream is pressurized, then cooled, and then expanded to further cool and at least partially liquefy the boil-off stream. The preselected bubble point temperature of the resulting pressurized liquid is obtained by performing at least one of the following steps: before, during, or after the process of liquefying the boil-off stream, removing from the boil-off stream a predetermined amount of one or more components, such as nitrogen, having a vapor pressure greater than the vapor pressure of methane, and before, during, or after the process of liquefying the boil-off stream, adding to the boil-off stream one or more additives having a molecular weight heavier than the molecular weight of methane and having a vapor pressure less than the vapor pressure of methane. 2mixture gas," Chemical Physics Letters, vol. 344, 2001, pp. 18-22. Young et al., "High yield purification of multiwalled carbon nanotubes by selective oxidation during thermal annealing," Carbon, vol. 39, 2001, pp. 655-661. Ashraf Imam et al., "Hydrogen Storage on Carbon-Based Nanomaterials," NANOTUBE 2001, 2ndInternational Workshop on the Science and Application of Nanotubes, 2001, 30 pp. International Search Report dated Apr. 8, 2003.
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