PRODUCTION OF FUSIFORM CALCIUM CARBONATE

PURPOSE:To economically obtain the title CaCO3 useful as a papermaking filler, by incorporating CO2-introduced limemilk with a water-soluble polysaccharide and/or sulfuric acid (salt) followed by carbonation. CONSTITUTION:1-10ml, per g of Ca(OH)2, of CO2 is introduced into limemilk 7-16g/100ml in Ca...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SASAKI NAOHIKO, SONODA HIRAKI, KUTSUNO TAKASHI, ETO YASUSHI, SEGAWA KAZUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS IMPREGNATING OR COATING OF PAPER INORGANIC CHEMISTRY METALLURGY PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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