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| Number | Title | Issue Date |
| 7632333 | Process for separating TI from a TI slurry A method of separating metal particulates from a slurry of original constituents of liquid metal and metal particulates and salt particulates is disclosed. The metal and salt particulates are concentrated by removing at least some of the liquid metal, and then, liqu... | 12/15/2009 |
| 6773483 | Sodium purification method The invention relates to a technical sodium purification method consisting of placing liquid sodium in contact at a temperature greater than or equal to 150° C., inside a static mixer, with an inert gas stream with respect to the sodium containing the stoechiometri... | 08/10/2004 |
| 6585797 | Recirculating molten metal supply system and method The melter furnace includes a heating chamber (16), a pump chamber (18), a degassing chamber (20), and a filter chamber (22). The pump chamber (18) is located adjacent the heating chamber (16) and houses a molten metal pump (30). The degassing chamber (20... | 07/01/2003 |
| 6086652 | Method and apparatus for initial purification of liquid metal heat exchange fluid A method for removing oxides from a liquid metal heat exchange fluid following the initial startup of the heat exchange system fixes oxygen by locating an oxygen scavenging material in a drain tank. During initial fabrication and periods of maintenance me... | 07/11/2000 |
| 5980605 | Carbothermal production of alkali metals Production of metallic sodium and potassium by reaction of their hydroxides or carbonates with carbon. The carbon may be produced in situ by pyrolysis of a pyrolyzable carbonaceous material. There are further disclosed a process and installation for perfo... | 11/09/1999 |
| 5785732 | process and apparatus for recovering Na from spent NaS cells A process for recovering Na from a spent NaS cell, includes the steps of forming an opening in a spent NaS cell, flowing down molten Na from an interior of the NaS cell through the opening in a heating oil vessel, passing the molten Na through a filter pl... | 07/28/1998 |
| 5019158 | Process for the separation of calcium and nitrogen from lithium A process is disclosed for separating calcium and nitrogen from lithium, in which alumina is added to molten lithium and reacts to produce aluminum and lithium oxide. The aluminum reacts with the nitrogen in the lithium to produce insoluble aluminum nitri... | 05/28/1991 |
| 4767453 | Process for creating the flow properties to sodium-production filter residues A process is described for creating the flow properties to filtration residues from sodium production. These viscous-to-hard filter residues can be changed into a thin-fluid consistency by intensively agitating them under an inert gas for 2-6 hours at tem... | 08/30/1988 |
| 4761266 | Controlled addition of lithium to molten aluminum Lithium feed to an aluminum-lithium alloy production system is achieved at a highly controlled rate by advancing a plunger at a predetermined volumetric rate into a body of molten lithium retained in a holding vessel to displace the lithium toward an over... | 08/02/1988 |
| 4428771 | Process for the separation of metals from a gaseous mixture formed during reduction Metal is separated from a gaseous mixture formed during reduction of a compound and which contains metal vapour by contacting the compound with an absorbent capable of absorbing the metal vapour and under thermodynamic conditions such that the metal vapou... | 01/31/1984 |
| 4291865 | Radial cold trap The radial cold trap comprises a housing having a plurality of mesh bands disposed therein. The mesh bands comprise concentrically arranged bands of mesh with the mesh specific surface area of each band increasing from the outermost mesh band to the inner... | 09/29/1981 |
| 4017306 | Process for continuous production of pure sodium The invention relates to a purification process by which sodium of extremely high purity, more especially with a low calcium content, can be obtained from commercial-grade sodium. The process according to the invention essentially comprises continuously i... | 04/12/1977 |
