STRONTIUM-CATALYZED BOEHMITE FORMATION

A strontium-catalyzed process for preparing boehmite includes combining a strontium material, flash calcined gibbsite, and water to obtain an aqueous suspension; contacting the aqueous suspension with a water-soluble carbonate material; and heating the aqueous suspension to a temperature, and for a...

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Bibliographische Detailangaben
1. Verfasser:	KHARAS, Karl
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CRACKING HYDROCARBON OILS FUELS INORGANIC CHEMISTRY LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A strontium-catalyzed process for preparing boehmite includes combining a strontium material, flash calcined gibbsite, and water to obtain an aqueous suspension; contacting the aqueous suspension with a water-soluble carbonate material; and heating the aqueous suspension to a temperature, and for a time, sufficient to form at least about 5 wt.% of boehmite. Procédé catalysé par du strontium permettant de préparer de la boehmite, le procédé consistant à combiner un matériau de strontium, de la gibbsite à calcination flash et de l'eau afin d'obtenir une suspension aqueuse ; à mettre en contact la suspension aqueuse avec un matériau de carbonate soluble dans l'eau ; et à chauffer la suspension aqueuse à une température et pendant une durée suffisantes pour former au moins environ 5 % en poids de boehmite.