METHODS FOR IMPROVING THE FLOWABILITY OF ASPHALT PARTICLES

The flowability of asphalt particles may be improved by mixing the particles with comprises further compound comprises Portland cement, calcium aluminate cement, fly ash, blast furnace slag, lime/silica blends, silica, ground limestone, cement kiln dust, chemically bonded phosphate ceramics, zeolite...

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Bibliographische Detailangaben
Hauptverfasser:	SAMUEL, MATHEW, KEESE, ROGER, KHATRI, DEEPAK, WILLIAMS, ROBERT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	The flowability of asphalt particles may be improved by mixing the particles with comprises further compound comprises Portland cement, calcium aluminate cement, fly ash, blast furnace slag, lime/silica blends, silica, ground limestone, cement kiln dust, chemically bonded phosphate ceramics, zeolites, geopolymers, cellulose, starch, calcium carbonate, colloidal silica, aluminosilicates,and combinations thereof.Treating the asphalt particles with at least one of these compounds inhibits caking during storage and enhances transportability. Selon la présente invention, la fluidité de particules d'asphalte peut être améliorée en mélangeant les particules comprenant un composé supplémentaire, comprenant du ciment Portland, du ciment d'aluminate de calcium, des cendres volantes, du laitier de haut fourneau, des mélanges de chaux/silice, de la silice, de la pierre de chaux broyée, de la poussière de four à ciment, des céramiques à phosphate chimiquement lié, des zéolites, des géopolymères, de la cellulose, de l'amidon, du carbonate de calcium, de la silice colloïdale, des aluminosilicates, et des combinaisons de ceux-ci. Le traitement de particules d'asphalte avec au moins un de ces composés inhibe la prise en masse pendant la conservation et augmente la transportabilité.