Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brackett Geiger GmbH and Co KG
Original Assignee
Geiger Sche Fabrik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Geiger Sche Fabrik GmbHfiledCriticalGeiger Sche Fabrik GmbH
Application grantedgrantedCritical
Publication of FR704892ApublicationCriticalpatent/FR704892A/fr
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D33/00—Filters with filtering elements which move during the filtering operation
B01D33/44—Regenerating the filter material in the filter
B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D33/00—Filters with filtering elements which move during the filtering operation
B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D33/00—Filters with filtering elements which move during the filtering operation
B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
Landscapes
Chemical & Material Sciences
(AREA)
Chemical Kinetics & Catalysis
(AREA)
FR704892D1930-11-041930-11-04Procédé et dispositif pour l'épuration mécanique des eaux d'égouts ou de rebut
ExpiredFR704892A
(fr)
Dispositif pour le raclage des boues et l'écumage des matières grasses dans les chambres de dépôt ou de décantation des installations d'épuration des eaux d'égout
Dispositif de production d'écume pour des installations de clarification d'eaux résiduelles par le procédé de flotation à l'aide d'écume
Système pour traiter ou éliminer séparément les matières flottantes et les matières en suspension des eaux d'écoulement dans les installations de clarification d'eau fraîche