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| Number | Title | Issue Date |
| 6787120 | Volume reduction of aqueous waste by evaporative crystallization of burkeite and sodium salts A method of treating aqueous salt solutions to provide a solution suitable for vitrification to a stable glass matrix for long term storage is described. In particular, salt solutions composed of aqueous nuclear waste materials are suitable for treatment by the desc... | 09/07/2004 |
| 6180012 | Sea water desalination using CO2 gas from combustion exhaust The invention relates to desalination of Sea water and of brakish water, and removal of harmful CO2 gas in exhaust from combustion apparatuses. The exhaust, rich in carbon dioxide (CO2) is diverted to a process chamber, where Sea wat... | 01/30/2001 |
| 5219550 | Production of low boron lithium carbonate from lithium-containing brine The present invention relates to a novel process for producing, from a lithium-containing brine, a low boron lithium carbonate compound. This compound is particularly useful for conversion to a highly pure lithium chloride for the production of lithium me... | 06/15/1993 |
| 4859652 | Method for preparation of high temperature superconductors using trichloroacetates Superior homogeneity in ceramic materials is achieved by forming an aqueous solution of trichloroacetates of certain metals, heating the solution to decompose the trichloroacetates to form carbonate precipitates, and recovering the carbonate precipitates.... | 08/22/1989 |
| 4659555 | Process for the preparation of basic copper carbonate The invention relates to a process for the preparation of basic copper carbonate by reacting copper salts with alkali carbonate in aqueous solution at elevated temperatures and with stirring and subsequently isolating the copper carbonate. In this process... | 04/21/1987 |
| 4563340 | Process for the secondary obtention of sodium carbonate from FLP waste liquor This invention is related to a process for the secondary obtention of sodium carbonate from a waste liquor (known as FLP waste liquor) containing principally sodium chloride, ammonium bicarbonate, ammonium chloride and carbon dioxide, which is obtained in... | 01/07/1986 |
| 4330423 | Process for the production of solid, pourable washing or cleaning agents with a content of a calcium binding silicate A process for the production of solid, pourable, washing or cleaning agents containing surface-active compounds, builders, and calcium binding compounds, said calcium binding compounds consisting of at least one finely-dispersed water-insoluble silicate c... | 05/18/1982 |
| 4256719 | Process for the combined manufacture of chlorinated hydrocarbons and sodium bicarbonate Production of sodium bicarbonate by the Solvay-soda method, employing a volatile aliphatic amine instead of ammonia, is combined with the oxychlorination of olefins in liquid phase by using the amine hydrochloride side-product of the soda plant as chlorin... | 03/17/1981 |
| 4185997 | Process for treating basic converter slag Treated basic converter slag and a process for treating basic converter slag are disclosed, in which untreated slag in a molten state is subjected to an oxidation treatment and basicity adjustment treatment by the addition of a material containing SiO | 01/29/1980 |
| 4073867 | Process for the production of crystalline zeolitic molecular sieves of type A A crystalline zeolitic molecular sieve of Type A with the composition 1.0 &#b1; 0.2 M2/n O : Al2 O3 : 1.85 &#b1; 0.5 SiO2 . y H2 O where M is a metal cation, n its valence and y has a value up to 6 is... | 02/14/1978 |
| 3944474 | Electrolytic manufacture of chlorine and sodium carbonate Manufacture of chlorine and sodium carbonate using a combination of electrolysis of an aqueous solution of sodium chloride in a diaphragm cell, carbonation of the caustic brine leaving the cell, and the ammonia-soda method of making sodium carbonate. An a... | 03/16/1976 |
