Chemically/morphologically converting asbestos

Chemically/morphologically converting asbestos

Process and appts. for chemically/morphologically converting asbestos and building materials contg. asbestos are claimed. The novelty is that the asbestos or asbestos-contg. materials are treated in a system free from organic components with aq. colloidal dispersions of amorphous SiO2 consisting of...

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Hauptverfasser: FORKEL, KLAUS., 96528 SCHALKAU, DE, UNGER, BRITA., 12459 BERLIN, DE, WIHSMANN, FRED GUSTAV, DR., 12487 BERLIN, DE
Format: Patent
Sprache:eng ; ger
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS THEREOF
CONCRETE
DISPOSAL OF SOLID WASTE
FIRE-FIGHTING
HUMAN NECESSITIES
INORGANIC CHEMISTRY
LIFE-SAVING
LIME, MAGNESIA
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
RECLAMATION OF CONTAMINED SOIL SOIL
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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creator FORKEL, KLAUS., 96528 SCHALKAU, DE
UNGER, BRITA., 12459 BERLIN, DE
WIHSMANN, FRED GUSTAV, DR., 12487 BERLIN, DE
description Process and appts. for chemically/morphologically converting asbestos and building materials contg. asbestos are claimed. The novelty is that the asbestos or asbestos-contg. materials are treated in a system free from organic components with aq. colloidal dispersions of amorphous SiO2 consisting of non-crosslinked spherical individual particles having OH gps., with liq. consistency and free from sedimentable components. The particle size of the dispersed particles is not more than 50 nm, pref. in range of 7-30 nm. The products formed by the above process are also claimed, in which asbestos fibres and asbestos-contg. materials are penetrated by Si cpds..
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The novelty is that the asbestos or asbestos-contg. materials are treated in a system free from organic components with aq. colloidal dispersions of amorphous SiO2 consisting of non-crosslinked spherical individual particles having OH gps., with liq. consistency and free from sedimentable components. The particle size of the dispersed particles is not more than 50 nm, pref. in range of 7-30 nm. 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language eng ; ger
recordid cdi_epo_espacenet_DE19507818A1
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS THEREOF
CONCRETE
DISPOSAL OF SOLID WASTE
FIRE-FIGHTING
HUMAN NECESSITIES
INORGANIC CHEMISTRY
LIFE-SAVING
LIME, MAGNESIA
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
RECLAMATION OF CONTAMINED SOIL SOIL
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
title Chemically/morphologically converting asbestos
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