Verbesserte Filtertechnik für die Behandlung von oxidierten photographischen Abwässern

Verbesserte Filtertechnik für die Behandlung von oxidierten photographischen Abwässern

A method of separation of a precipitate from a treated or untreated photographic processor effluent by the addition of an inert powder of high bulk prior to filtration or settling. The inert powder may be a diatomaceous earth, such a kieselguhr, or aluminium hydroxide or wet sawdust. The separation...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GLOVER, MARTYN STUART, HARROW, MIDDLESEX HA1 4TY, GB, FYSON, JOHN RICHARD, HARROW, MIDDLESEX HA1 4TY, GB, HENSON, DAVID MCDONALD, HARROW MIDDLESEX HA1 4TY, GB
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:A method of separation of a precipitate from a treated or untreated photographic processor effluent by the addition of an inert powder of high bulk prior to filtration or settling. The inert powder may be a diatomaceous earth, such a kieselguhr, or aluminium hydroxide or wet sawdust. The separation time and the pressure required to give rapid filtration is reduced. The rate at which the solid phase will settle is similarly improved.