Clay-wares

CCHEMISTRY METALLURGY C04Concrete, cement, ceramics C04BLIME, MAGNESIA SLAG CEMENTS COMPOSITIONS THEREOF

C04B33/00Clay-wares

C04B33/02Preparing or treating the raw materials individually or as batches C04B33/025Mixtures of materials with different sizes C04B33/04clay kaolin C04B33/06Rendering lime harmless C04B33/08Preventing efflorescence C04B33/10Eliminating iron or lime C04B33/13Compounding ingredients C04B33/1305Organic additives C04B33/131Inorganic additives C04B33/1315Non-ceramic binders C04B33/132Waste materials Refuse; Residues C04B33/1321Waste slurries C04B33/1322Red mud C04B33/1324Recycled material C04B33/1325Hazardous waste other than combustion residues C04B33/1327containing heavy metals C04B33/1328without additional clay C04B33/135Combustion residues C04B33/1352Fuel ashes C04B33/1355Incineration residues C04B33/1357Sewage sludge ash or slag C04B33/138from metallurgical processes C04B33/14Colouring matters C04B33/16Lean materials C04B33/18for liquefying the batches C04B33/20for dry-pressing C04B33/22Grog products C04B33/24Manufacture of porcelain or white ware C04B33/26of porcelain for electrical insulation C04B33/28Slip casting C04B33/30Drying methods C04B33/32Burning methods C04B33/323involving melting, fusion or softening C04B33/326under pressure C04B33/34combined with glazing C04B33/36Reinforced clay-wares