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| Number | Title | Issue Date |
| 7265254 | Waste processing method, waste processing system, integrated waste processing method, and integrated waste processing system Chlorine-containing waste is processed inside a heating device, an alkali metal compound and a calcium compound are given into the heating device while the temperature of a solid phase inside the heating device is maintained at 400 to 1500° C., chlorine that is con... | 09/04/2007 |
| H2198 | Multi-stage pyrolysis systems for treating chlorine contaminated wastes A method of decontaminating solids contaminated with chlorinated hydrocarbons includes a first step of heating the contaminated solids at a temperature high enough to volatize chlorine contaminates but below a temperature range favorable to the formation of the diox... | 08/07/2007 |
| 7060235 | Method for processing perfluorocompounds exhaust This invention provides a method for processing perfluorocompounds exhaust, that employs thermal energy produced by the reactions occurred in a plasma reactor to convert liquid water into steam. The steam is then directly introduced into the plasma reactor to partic... | 06/13/2006 |
| 5612008 | Process for treating solid waste containing volatilizable inorganic contaminants A process for the removal of volatilizable inorganic contaminants from solid waste is provided. The process comprises the steps of: (a) providing solid waste containing volatilizable inorganic contaminants; (b) heating the waste to a temperature sufficien... | 03/18/1997 |
| 5613241 | Treatment of halogen-containing waste and other waste materials A process for treating a halogen-containing waste material. The process provides a bath of molten glass containing a sacrificial metal oxide capable of reacting with a halogen in the waste material. The sacrificial metal oxide is present in the molten gla... | 03/18/1997 |
| 5585532 | Method for treating a gas formed from a waste in a molten metal bath A method and a system is disclosed for treating a gaseous discharge stream formed from a waste in a molten metal bath. The waste is directed into a reactor containing a molten metal bath. The molten metal bath has operating conditions which are sufficient... | 12/17/1996 |
| 5476990 | Waste management facility An industrial waste management facility (IWMF) for disposing of spent potlining includes a co-current gas-fired rotary kiln for containing a molten pool of spent potlining throughout the entire length of the rotary kiln from the inlet to the outlet, an as... | 12/19/1995 |
| 5252307 | Method of processing chlorosilane distillation residues with steam A method for processing chlorosilane distillation residues by hydrolysis with steam, in which the hydrolysis is carried out at escalating temperatures from about 130° C. to at least 170° C.... | 10/12/1993 |
| 5245115 | Process for the thermal shock treatment of spent pot linings obtained from Hall-Heroult electrolytic cells The invention relates to a thermal shock treatment in a reactor of ground spent pot linings, constituted both by carbon-containing products and silico-aluminous products impregnated with fluorine-containing mineral compounds, mixed with a pulverulent mine... | 09/14/1993 |
| 5245116 | Process for the wet treatment of spent pot linings from hall-heroult electrolytic cells A process for the treatment of spent pot linings impregnated with alkali metal cyanide and fluoric products by grinding previously crushed pot linings in the presence of lime, suspending the ground pot linings in an aqueous medium in order to precipitate ... | 09/14/1993 |
| 5220110 | Catalysts Shaped particles, comprising a calcium aluminate cement and at least one oxide of a Group VIII metal M selected from nickel and cobalt, said particles containing 10 to 70% by weight of said Group VIII metal oxide (expressed as the divalent oxide, MO) and ... | 06/15/1993 |
| 5182095 | Method for processing residues from the distillation of chlorosilanes A residue from the production of chlorosilanes from raw silicon is treated with steam and aditionally with nitrogen-oxygen mixtures. The resulting residue has a lower chloride content.... | 01/26/1993 |
| 5026484 | Continuous flow method for processing liquids using high-energy discharge A method and apparatus are disclosed for efficient endothermic processing of liquids and the precipitation of dissolved elements and chemical compounds. Improvements over prior systems include system layout, components and modes of operation of the system... | 06/25/1991 |
| 4690810 | Disposal process for contaminated chlorosilanes Method for treatment of contaminated chlorosilanes with lime to obtain an environmentally inept silica base product.... | 09/01/1987 |
| 4655839 | Landfillable composition from iron chloride waste treatment in molten salt A solid, water impervious landfillable composition of a process for treating iron chloride wastes such as those obtained when chlorinating titanium ore is disclosed. The process involves reacting the iron chlorides with limestone in molten CaCl2.xH.s... | 04/07/1987 |
| 4532113 | Iron chloride waste treatment in molten salt A process for treating iron chloride wastes such as those obtained when chlorinating titanium ore is disclosed. The process involves reacting the iron chlorides with limestone in molten CaCl2.xH.sub.2 O, where x equals 3-6 and separating the re... | 07/30/1985 |
| 4018867 | Process for the disposal of aluminum containing waste materials This invention relates to the disposal of aluminum hydrocarbyl, aluminum hydrocarbyloxy, aluminum halide or aluminum hydride waste materials. Such materials are used as catalysts and may be present alone as well as in combination with similar compounds of... | 04/19/1977 |
