Method for eliminating halogenated and non-halogenated waste
AssigneePac Holding S.A.
InventorGuy Rollinger
Life of this patent
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Abstract
A method for eliminating halogenated and non halogenated waste, whereby waste is reacted with products containing metal oxide in an oxygen-free medium at temperatures ranging from 800° C. to 1100° C.
Claims39
A process for disposing of halogenated and non-halogenated waste materials, comprising chemically reacting the waste materials with at least one or TiO2, SiO2, CaO and Fe2O3 while excluding oxygen at temperatures of 800° C. to 1100° C.
A process for disposing of halogenated and non-halogenated waste materials, comprising
- chemically reacting in a reaction the waste materials with a product containing metal oxides, wherein the metal oxides that are playing an active part in the reaction are at least one of TiO2, SiO2, CaO and Fe2O3, mid with the reaction being carried out with an exclusion of oxygen at temperatures of 800° C. to 1100° C. in a reactor.
A process for disposing of halogenated and non-halogenated carbon-containing waste materials, comprising:
- reacting the waste material with metal-oxide containing products with an exclusion of oxygen at temperatures of 800° C. to 1100° C., and wherein carbon dioxide is added during the process,
- wherein the waste materials and metal-oxide containing products are introduced into a fluidized bed reactor and the added carbon dioxide is introduced as a fluidizing gas for the fluidized bed reactor, and
- wherein the carbon dioxide used as the fluidizing gas is converted completely to carbon monoxide by reaction with carbon of decomposed hydrocarbons in the fluidized bed reactor and by an addition of additional carbon material.
A process for disposing of halogenated and non-halogenated waste material, comprising:
- introducing waste material comprising halogenated waste material to a reactor as a first reactant;
- introducing a halogenatable, metal oxide material which is selected form the group consisting of CaO, TiO2, Al2O3, SiO2, Fe2O3, and mixtures thereof to the reactor as a second reactant;
- chemically reacting the first and second reactants at a temperature of 800° C. to 1100° C. while excluding oxygen and with said second reactants being supplied in sufficient quantity for the introduced metal oxide material to act as a metal oxide containing adduct, and
- separating out, from reaction product gases produced in the reaction of the first and second reactants, halogenated metal compounds.
A process for disposing of halogenated and non-halogenated waste material, comprising:
- introducing waste material comprising halogenated waste material to a reactor as a first reactant;
- introducing a halogenatable, metal oxide material which is selected form the group consisting of CaO, TiO2, Al2O3, SiO2, Fe2O3, and mixtures thereof to the reactor as a second reactant;
- reacting the first and second reactants at a temperature of 800° C. to 1100° C. while excluding oxygen and with said second reactants being supplied in sufficient quantity for the introduced metal oxide material to act as a metal oxide containing adduct, and
- separating out, from reaction product gases produced in the reaction of the first and second reactants, halogenated metal compounds,
- wherein the separating out of halogenated metal compounds includes a first and a second separation stage with a first type of halogenated metal compound removed at the first stage and a second type of halogenated metal compound removed from the second stage, and
- wherein metal chlorides are removed at the first stage and SiCl4 at the second stage.
A process for disposing of halogenated and non-halogenated waste material, comprising:
- introducing waste material comprising halogenated waste material to a reactor as a first reactant;
- introducing a halogenatable, metal oxide material which is selected form the group consisting of CaO, TiO2, Al2O3, SiO2, Fe2O3, and mixtures thereof to the reactor as a second reactant;
- reacting the first and second reactants at a temperature of 800° C. to 1100° C. while excluding oxygen and with said second reactants being supplied in sufficient quantity for the introduced metal oxide material to act as a metal oxide containing adduct, and
- separating out, from reaction product gases produced in the reaction of the first and second reactants, halogenated metal compounds,
- wherein the separated out halogenated metal compound is subjected to further purification, and
- wherein further purification comprises distilling said halogenated metal compound.
Dependencies are inferred from the claim text.