ASBESTOS MODIFYING AGENT AND MODIFYING METHOD

PURPOSE:To make dust of spiky fibers harmless by modification when a compd. contg. asbestos is discarded as industrial waste, by adding sulfur, nitrogen or halogen and an aq. inorg. high molecular compd. CONSTITUTION:This asbestos modifying agent contains a sulfur-contg. acid such as sulfuric acid,...

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Bibliographische Detailangaben
Hauptverfasser:	KAWASAKI HIRONOBU, KIYOMOTO YASUO, INAGAKI HATSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To make dust of spiky fibers harmless by modification when a compd. contg. asbestos is discarded as industrial waste, by adding sulfur, nitrogen or halogen and an aq. inorg. high molecular compd. CONSTITUTION:This asbestos modifying agent contains a sulfur-contg. acid such as sulfuric acid, a nitrogen-contg. acid such as nitric acid or a halogen- contg. acid such as hydrofluoric acid and a water-soluble or water-dispersible high molecular compd. having at least one kind of bond such as Si-O, Ti-O or Al-O in the molecule.