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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
C02F3/28—Anaerobic digestion processes
C02F3/2866—Particular arrangements for anaerobic reactors
C02F3/2886—Two story combinations of the Imhoff tank type
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FR642972D1927-05-251927-10-25Procédé perfectionné pour accélérer la décomposition des matières boueuses dans le traitement des eaux d'égoût
ExpiredFR642972A
(fr)
Procédé avec dispositifs pour l'assainissement, la clarification et l'épuration de toutes eaux ainsi que pour la séparation des matières par ordre de densités