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| Number | Title | Issue Date |
| 7228713 | Multi-stage vacuum distilling, cooling and freezing processes and apparatuses for solution separation and seawater desalination Multi-stage vacuum distilling, cooling, and freezing processes for solution separation and seawater desalination are implemented through multi-stage vacuum distilling, cooling, and freezing systems. The systems are set to their initial state for implementing constan... | 06/12/2007 |
| 7131272 | Reduced carbon dioxide emission system and method for providing power for refrigerant compression and electrical power for a light hydrocarbon gas liquefaction process using cooled air injection to the turbines A system and method for the production of liquefied light hydrocarbon gases by a system and a process that produces a liquefied gas product more efficiently and with reduced emissions of carbon dioxide (CO2) to the atmosphere. ... | 11/07/2006 |
| 6367285 | Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions In a freeze-concentrating apparatus, an aqueous solution is cooled by a cooling cylinder 22 serving as a heat exchanger for cooling to continuously produce a suspension containing ice crystals. A liquid component is separated and discharged from the suspe... | 04/09/2002 |
| 4713102 | Method of concentrating multicomponent liquid products A method and apparatus for concentrating multicomponent liquid product containing volatile and nonvolatile constituents are provided, comprising mixing liquid product with liquid refrigerant gas in a freezing chamber, removing ice crystals containing entr... | 12/15/1987 |
| 4623372 | Crystallization process An improved crystallization process is disclosed for separating a crystallizable material and an excluded material which is at least partially excluded from the solid phase of the crystallizable material obtained upon freezing a liquid phase of the materi... | 11/18/1986 |
| 4581052 | Gas separation process A crystallization process is disclosed for separating a crystallizable material and an excluded material which is at least partially excluded from the solid phase obtained upon freezing a liquid mixture of the materials. The solid phase is formed and melt... | 04/08/1986 |
| 4453959 | Crystal washing and purification method A method for separating and purifying a crystallized component from a two-phase slurry of a crystallized component in a liquified multi-component mixture, the method including a purification column capable of withdrawing the crystallized component from th... | 06/12/1984 |
| 4283211 | Power generation by exchange of latent heats of phase transition A power system is provided that uses the latent heat of fusion of water to raise the potential energy of a working fluid to a level that upon release generates power, preferably electrical power. The system is self-sustaining except for the energy that is... | 08/11/1981 |
| 4199961 | Method and apparatus for continuously freezing and melting a fluid mixture Method and apparatus for continuously freezing and melting a fluid mixture, for use in separating a fluid mixture into dilute and concentrated components which have been made separble due to the freezing. A turbine is used to produce mechanical energy to ... | 04/29/1980 |
| 4129583 | Process for separating crystallizable fractions from mixtures thereof In a continuous process for separating crystallizable organic components from mixtures thereof in solution, a feedstock of such components is mixed with at least one solvent therefor and the resulting feedstock mixture is continuously fed into a vessel in... | 12/12/1978 |
| 3992170 | Method and apparatus for melting ice in saline water conversion systems A method and apparatus for melting ice incidental to a freezing process for water desalination. Mechanical energy otherwise required to pump super heat in the compressed refrigerant vapor is conserved and rate of ice melting in the melter-washer reduced b... | 11/16/1976 |
