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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 |
| 7077968 | Method for continuously filtering raw brine for use in chlor-alkali electrolysis The method of continuously processing raw brine with a solids content to obtain substantially solids-free pure brine (E) for use in chlor-alkali electrolysis. In this method the raw brine (A) is separated, by means of a decanter (1), into a clear brine (B) wi... | 07/18/2006 |
| 7073348 | Method and system for extracting carbon dioxide by anti-sublimation for storage thereof A method and system for extracting and storing carbon dioxide from fumes derived from the combustion of hydrocarbons in an apparatus designed in particular for the production of mechanical energy comprises: exchangers (11, 25) and a dehydrator (56), fo... | 07/11/2006 |
| 6688115 | High-pressure delivery system for ultra high purity liquid carbon dioxide This invention relates to an improvement in a process and apparatus for delivering ultra high purity liquid carbon dioxide to a point of use at pressures above ambient without pumping. In the process a high purity carbon dioxide feed in gaseous or liquid ... | 02/10/2004 |
| 5553456 | Clathrate freeze desalination apparatus and method A clathrate freeze desalination system and method in which a clathrate forming agent is injected through a submerged pipeline to a predetermined ocean depth at which the surrounding ocean temperature is less than the clathrate forming temperature. The age... | 09/10/1996 |
| 5409505 | Method and apparatus for crystallization of organic matter Adiabatic self-evaporation cooling of a refrigerant is performed in a crystallizer for a treated organic matter which contains the refrigerant and is fed into the crystallizer. Crystals produced by the adiabatic self-evaporation cooling are withdrawn from... | 04/25/1995 |
| 4650507 | Wet and dry distillative freezing process for separating mixtures and apparatuses for use therein Distillative Freezing Process is an energy conserving process for separating mixtures and superpurifying chemicals. The wet and dry distillative freezing process disclosed represents a major improvement to the distillative freezing technology and has sign... | 03/17/1987 |
| 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 |
| 4433558 | Parallel contact distillative freezing process for separating volatile mixtures and apparatuses for use therein The parallel contact distillative freezing process is an improved distillative freezing process. The distillative freezing process is used in separating a mixture containing at least two volatile components, denoted respectively as A-component and B-compo... | 02/28/1984 |
| 4328677 | Peltier freeze concentration process The treatment of dilute solutions and freeze concentrations thereof by means of steam jet refrigeration pre-cooling of a feed solution sprayed into an absorber-freezer means in which heat is absorbed from the jet refrigeration and from which ice slurry is... | 05/11/1982 |
| 4262790 | System for separating paraffin from oil in refineries Apparatus for separating paraffin from oil in refineries wherein such separation is accomplished by a cooling process, in a heat exchanger, the apparatus controlling the cooling process by sensing either the pressure upstream of the heat exchanger and dir... | 04/21/1981 |
| 4236382 | Separation of an aqueous solution by the improved vacuum freezing high pressure ice melting process In the Improved Vacuum-Freezing High Pressure Ice Melting Process, an aqueous solution is flash vaporized under a reduced pressure to simultaneously form a low pressure water vapor and ice crystals. The ice formed is first purified in a counter-washer and... | 12/02/1980 |
| 4228089 | Method and apparatus for fractional crystallization separation A method for separating components of a substance, for example, a fatty acid ester such as palm oil, by dissolving the substance in a solvent. The resultant solution is circulated and cooled in a circuit with crystals being formed in the solution as the t... | 10/14/1980 |
| 4218893 | Distillative freezing process for separating volatile mixtures and apparatuses for use therein The distillative freezing process disclosed is useful in separating a mixture containing at least two volatile components, denoted respectively as A-component and B-component, by simultaneously vaporizing the two components from the mixture under a suffic... | 08/26/1980 |
| 3950371 | Method of separating mixtures of fatty substances A method for separating fatty substance mixtures into components of different melting points by the "Rewetting or Hydrophilization Process," with the heat removal necessary for cooling and crystallizing higher melting fatty substance fractions being obtai... | 04/13/1976 |
