Process for extracting substances from silan-modified fillers

Extraction of materials (A) from silane-modified oxide or silicate fillers (I) involves using a gas condensed using pressure and/or temperature as extractant (II), where (II) is passed in a radial direction through (I) in a pressure vessel and/or (A) extracted from (I) is removed from (II) using a s...

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Bibliographische Detailangaben
Hauptverfasser:	STORK, KURT, HEIDLAS, JUERGEN, ZOBEL, RUDOLF, KORTH, KARSTEN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES PREPARATION OF CARBON BLACK SEPARATION TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	Extraction of materials (A) from silane-modified oxide or silicate fillers (I) involves using a gas condensed using pressure and/or temperature as extractant (II), where (II) is passed in a radial direction through (I) in a pressure vessel and/or (A) extracted from (I) is removed from (II) using a sorbent (III). An independent claim is included for apparatus for carrying out the process, comprising at least one pressure vessel, having at least one gas-permeable internal container, screen or insert to receive (I), at least one gas inlet and outlet located in a fluidized bed of (I) and a radially placed gas inlet and outlet from the fluidized bed (specifically such that gas can flow radially inwards from the outside or radially outwards from the inside).