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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
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FR382240A1907-09-261907-09-26Tamiseur pour l'oxydation des eaux résiduaires des fosses septiques et l'aération des eaux en général
ExpiredFR382240A
(fr)
Nouvelle disposition de bassins de purification et de clarification, avec oxydation, pour l'assainissement des eaux alimentaires ou des eaux résiduaires
Bassins filtrants à circulation continue pour l'épuration physique et bactériologique des eaux d'égout, applicables à la filtration des grandes masses d'eau en général