Waste stabilisation using hydraulic binder

In a waste stabilisation process employing a hydraulic binder, a nitrate or nitrite ion-containing material is added during preparation of the mortar based on waste, hydraulic binder and water. Preferably, the added material is selected from nitrates and nitrites of Fe, Al, Na, K, Ca and Mg and dilu...

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Bibliographische Detailangaben
1. Verfasser:	COJAN JEAN YVES
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	In a waste stabilisation process employing a hydraulic binder, a nitrate or nitrite ion-containing material is added during preparation of the mortar based on waste, hydraulic binder and water. Preferably, the added material is selected from nitrates and nitrites of Fe, Al, Na, K, Ca and Mg and dilute nitric acid and is added in amount 1.5-60 (preferably 3.5-30) wt. parts (expressed as nitrate or nitrite ions) per 1000 wt. parts of waste. Also claimed is a mortar which is based on hydraulic binder, waste and water and which additionally contains a nitrate or nitrite ion-containing material. L'invention concerne un procédé de stabilisation de déchets à l'aide d'un liant hydraulique. Le procédé se caractérise en ce que, lors de la préparation du mortier à base de déchets du liant hydraulique et de l'eau, on ajoute un matériau contenant des ions nitrate ou nitrite.par.