Method for reducing the formation of foam during the treatment of a dispersion or a liquid with water vapour

A process for reducing the foam formation when a dispersion or liquid is treated with steam bya) introduction of steam into the lower region of a column and simultaneous feed of a medium at the top of the column, the steam ascending to the top of the column,b) contacting the medium with the steam, w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HEIDER WOLFGANG, HUEBINGER WOLFGANG, HOLTRUP WALTER
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for reducing the foam formation when a dispersion or liquid is treated with steam bya) introduction of steam into the lower region of a column and simultaneous feed of a medium at the top of the column, the steam ascending to the top of the column,b) contacting the medium with the steam, with foam formation,includes the medium fed in stage a) having been generated by mixing a dispersion or liquid with steam in an apparatus, this medium during the feed into the top of the column having a higher temperature than that of the steam which comes into contact with the medium (in stage b)).