COMPOSITION AND METHOD FOR MANUFACTURING OF GLASS-CERAMIC PRODUCTS FROM INDUSTRIAL WASTE, GLASS AND CLAY

The present invention relates to the direction of technology of materials, respectively, to the manufacturing process of glass-ceramic materials and composition of glass-ceramic materials produced from fly ash from electro filters, peat ash and from two different types of clay - lime-less clay and l...

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Bibliographische Detailangaben
Hauptverfasser:	KRAGE,LINDA, ROZENSTRAUHA,INETA
Format:	Patent
Sprache:	eng ; lav
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS 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 PERFORMING OPERATIONS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	The present invention relates to the direction of technology of materials, respectively, to the manufacturing process of glass-ceramic materials and composition of glass-ceramic materials produced from fly ash from electro filters, peat ash and from two different types of clay - lime-less clay and lime-rich clay. From investigation evaluating the data obtained by the studies of structure, physical, chemical and mineralogical composition as well as chemical durability of glass-ceramics, it could be concluded that the concentration of harmful elements is considerably reduced due to their incorporation into the insulated glassy matrix or in the structure of newly formed crystalline phases, for example, K2Pb2O3 and ZnFe2O4 which are created during the sintering process. In present invention the dense glass-ceramic articles are produced, which could be applied as a road surfacing pavement, floor tildes, exterior decoration tiles and other building materials. The obtained articles correspond to the following characterizations: thermal shrinkage 10 to 20 %, water uptake 0.1 to 0.2 %, bulk density 2.5 to 2.8 g/cm3, compression strength - more as 50 MPa, abrasion resistance -more as 100 mm3.