METHOD FOR REMOVING SOLUBLE IMPURITIES FROM PIGMENTS

FIELD: mechanical engineering. SUBSTANCE: this relates to removing soluble impurities from pigments by means of filtration of water suspension and flushing of sediment by rinsing water. According to method, water suspension is preliminarily cooled down to oversaturation of solution and is subjected...

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Bibliographische Detailangaben
Hauptverfasser:	FEFELOV P.A, TAROV V.P, BRJANKIN K.V, LEONT'EVA A.I, UTROBIN N.P, LEONT'EV E.A
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	FIELD: mechanical engineering. SUBSTANCE: this relates to removing soluble impurities from pigments by means of filtration of water suspension and flushing of sediment by rinsing water. According to method, water suspension is preliminarily cooled down to oversaturation of solution and is subjected to settling period. Aforesaid operations result in improved removal of impurities and reduced consumption of rinsing water. EFFECT: higher efficiency. 1 tbl