METHOD OF CLEANING SEWAGE CONTAINING AZODYES

METHOD OF CLEANING SEWAGE CONTAINING AZODYES

The method applies to the textile and leather industry. With this method, to the sewage waters is added an aqueous solution of amino formaldehyde oligomer in a quantity of 0.4-0.8 gr for 1 gr dye at pH 3.0 to 9.0.

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Bibliographische Detailangaben
Hauptverfasser: DIMITROV, DIMITAR G, IVANOVA, TEMENUZHKA J, MOLLOV, MIKHAIL V, ANDREEVA, KATJA A
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:The method applies to the textile and leather industry. With this method, to the sewage waters is added an aqueous solution of amino formaldehyde oligomer in a quantity of 0.4-0.8 gr for 1 gr dye at pH 3.0 to 9.0.