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Application filed by Ag L Von RollfiledCriticalAg L Von Roll
Publication of CH267965ApublicationCriticalpatent/CH267965A/de
C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F3/00—Biological treatment of water, waste water, or sewage
C02F3/02—Aerobic processes
C02F3/04—Aerobic processes using trickle filters
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
Y02W10/00—Technologies for wastewater treatment
Y02W10/10—Biological treatment of water, waste water, or sewage
CH267965D1948-07-011948-07-01Verfahren zur biologischen Reinigung von Abwasser und Vorrichtung zur Durchführung dieses Verfahrens.
CH267965A
(de)
Verfahren zur kontinuierlichen Behandlung von flächigen Gebilden aus Kunststoffen oder kunststoffhaltigen Werkstoffen und Vorrichtung zur Durchführung des Verfahrens.
Verfahren zur Herstellung von Spannbeton, Bewehrung zur Durchführung dieses Verfahrens, nach diesem Verfahren hergestellter Spannbetonkörper und Verfahren zur Zerstörung desselben