IMPROVEMENT OF SLUDGE QUALITY

PROBLEM TO BE SOLVED: To provide improvement of sludge quality by reducing tendency to bulking of sludge. SOLUTION: The improvement is solved by using a non-oxidizing water-soluble biocide containing an alkyl-substituted phosphonium compound, alkyl-substituted phosphine, alkyl-substituted phosphine...

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Bibliographische Detailangaben
Hauptverfasser:	LOUVEL LUC OLIVIER HENRI, TALBOT ROBERT ERIC, PESCHER YVETTE RAYMONDE ODETTE ELIANE, PILAS-BEGUE AGNES
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT FISHING FORESTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES HUNTING METALLURGY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRAPPING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide improvement of sludge quality by reducing tendency to bulking of sludge. SOLUTION: The improvement is solved by using a non-oxidizing water-soluble biocide containing an alkyl-substituted phosphonium compound, alkyl-substituted phosphine, alkyl-substituted phosphine condensate, or polymeric quaternary ammonium compound. COPYRIGHT: (C)2011,JPO&INPIT