DRY MODIFIED, ACID ACTIVATED BLEACHING EARTH, PROCESS OF PRODUCTION AND USE THEREOF

The invention relates to a process for producing a bleaching earth, comprising the steps of drying a water-rich raw clay to a reduced water content, mixing the raw clay having a reduced water content with a solid organic and/or concentrated inorganic acid, and grinding the mixture of raw clay having...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CEBI, Hasan, RUF, Friedrich, BESTING, Hubertus, GEISSLER, Beate
Format:	Patent
Sprache:	eng ; hun
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DETERGENTS ESSENTIAL OILS FATTY ACIDS THEREFROM METALLURGY PERFORMING OPERATIONS PERFUMES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a process for producing a bleaching earth, comprising the steps of drying a water-rich raw clay to a reduced water content, mixing the raw clay having a reduced water content with a solid organic and/or concentrated inorganic acid, and grinding the mixture of raw clay having a reduced water content and solid organic and/or concentrated inorganic acid, in which case the bleaching earth then has a water content of 20% to 40% by weight. The invention further encompasses a bleaching earth obtainable by this process and to the use thereof for bleaching of raw animal or vegetable oil.