%A"Not Available" %D1921 %I; %2 %J[] %K04 OIL SHALES AND TAR SANDS, CEMENTS, PRODUCTION, SPENT SHALES, SINTERING, WASTE PRODUCT UTILIZATION, COKE, DUSTS, GRINDING, MARLSTONE, OIL SHALES, RESIDUES, BITUMINOUS MATERIALS, BUILDING MATERIALS, CARBONACEOUS MATERIALS, COMMINUTION, ENERGY SOURCES, FABRICATION, FOSSIL FUELS, FUELS, MACHINING, MATERIALS, METAMORPHIC ROCKS, ROCKS, SHALES, 040600* - Oil Shales & Tar Sands- Products & By-Products %PMedium: X; Size: Pages: v %TPreparation of hydraulic cement from oil-shale %XA process for the preparation of hydraulic cement from oil-shale or oil-shale residue is characterized in that, the oil-shale or shale-coke together with a slight amount of marl is burned under sintering conditions and the residue obtained is ground to a fine dust. %0Patent %NDE 411584; %1 %CGermany %Rhttps://doi.org/ DE %GEnglish