Number | Name | Date | Kind |
---|---|---|---|
2214790 | Greenewalt | Sep 1940 | |
2582068 | Roberts | Jan 1952 | |
3186182 | Grossman et al. | May 1963 | |
3444696 | Geddes et al. | Feb 1967 | |
3555836 | Schramm | Jan 1971 | |
3635038 | Nagel et al. | Jan 1972 | |
3675435 | Jackson et al. | Jul 1972 | |
4002042 | Pryor et al. | Jan 1977 | |
4167402 | Davis | Sep 1979 | |
4203742 | Agnihotri | May 1980 | |
4270939 | Rowles et al. | Jun 1981 | |
4270940 | Rowles et al. | Jun 1981 | |
4336045 | Fisher et al. | Jun 1982 | |
4368061 | Mestrallet et al. | Jan 1983 | |
4519825 | Bernhard | May 1985 | |
4525187 | Woodward et al. | Jun 1985 | |
4548629 | Chiu | Oct 1985 | |
4608068 | Bauer et al. | Aug 1988 | |
4622053 | Tomlinson et al. | Nov 1986 | |
4657571 | Gazzi | Apr 1987 | |
4707170 | Ayres et al. | Nov 1987 | |
4714487 | Rowles | Dec 1987 | |
4720293 | Rowles et al. | Jan 1988 | |
4726826 | Crawford et al. | Feb 1988 | |
4732598 | Rowles et al. | Mar 1988 | |
4749393 | Rowles et al. | Jun 1988 | |
4759786 | Atkinson et al. | Jul 1988 |
Number | Date | Country |
---|---|---|
61105523 | Oct 1984 | JPX |
Entry |
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Huang, "Cut Demethanizer Energy Costs", Hydrocarbon Processing, Oct. 1980, pp. 105-108. |
Kaiser et al., "Analyze Mixed Refrigerant Cycles", Hydrocarbon Processing, Jul. 1978, pp. 163-167. |
Albers et al., "Olefins Plant Optimization Keyed to Demethanization", The Oil and Gas Journal, Sep. 4, 1978, pp. 72-78. |
Hurstel et al., "Refrigeration Schemes Serve Olefin Plant Needs", Oil and Gas Journal, Sep. 7, 1981, pp. 107-123. |
Kaiser et al., "Optimize Demethanizer Pressure for Maximum Ethylene Recovery", Hydrocarbon Processing, Jun. 1979, 115-121. |