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Class Information
Number: 423/182
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Alkali metal (li, na, k, rb, or cs) > Regenerating solution
Description: Processes in which the alkali metal is contained in a solution used in a process, and has become ineffective to properly function in such a process because of dilution, impurities or other reason, and the solution is then regenerated or rehabilitated to approximately its original state or condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578984 |
Regeneration of caustic solutions |
Aug. 25, 2009 |
| 7247284 |
Method and apparatus for regeneration of flue gas scrubber caustic solutions |
Jul. 24, 2007 |
| 6746592 |
Process for removing aluminum species from alkali metal halide brine solutions |
Jun. 8, 2004 |
| 6566561 |
Fluoro-alcohol phase modifiers and process for cesium solvent extraction |
May. 20, 2003 |
| 6309530 |
Concentration of chlor-alkali membrane cell depleted brine |
Oct. 30, 2001 |
| 6175051 |
Deactivation of metal liquid coolants used in nuclear reactor systems |
Jan. 16, 2001 |
| 5270023 |
Process for producing sodium carbonate, sodium bicarbonate and associated compounds |
Dec. 14, 1993 |
| 5126019 |
Purification of chlor-alkali membrane cell brine |
Jun. 30, 1992 |
| 4800042 |
Radioactive waste water treatment |
Jan. 24, 1989 |
| 4430241 |
Mixed nitrate salt heat transfer medium and process for providing the same |
Feb. 7, 1984 |
| 4279791 |
Recovery of cerium from polymer dispersions |
Jul. 21, 1981 |
| 4216189 |
Sulfur dioxide removal process |
Aug. 5, 1980 |
| 4207299 |
Sulphur dioxide removal process |
Jun. 10, 1980 |
| 4154643 |
Recovery process and apparatus for alkali metal-containing spent liquor |
May. 15, 1979 |
| 4117077 |
Process for alunite treatment |
Sep. 26, 1978 |
| 4035228 |
Recovery process and apparatus for alkali metal-containing waste liquor |
Jul. 12, 1977 |
| 4006213 |
Halogen tin electrodeposition bath sludge treatment |
Feb. 1, 1977 |
| 3971844 |
Method for removing sodium sulfate from aqueous solutions |
Jul. 27, 1976 |
| 3961034 |
Method of removing sodium thiosulfate from a hydrosulfite reaction mixture |
Jun. 1, 1976 |
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