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1. DE000069133425 - VERFAHREN ZUR BIOLOGISCHEN BEHANDLUNG VON FLÜSSIGKEIT

Office
Allemagne
Numéro de la demande 69133425
Date de la demande 07.06.1991
Numéro de publication 000069133425
Date de publication 02.02.2006
Type de publication T2
CIB
B01D 24/16
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
01PROCÉDÉS OU APPAREILS PHYSIQUES OU CHIMIQUES EN GÉNÉRAL
DSÉPARATION
24Filtres à substance filtrante non agglomérée, c. à d. à substance filtrante sans aucun liant entre les particules ou les fibres individuelles qui la composent
02avec le lit filtrant stationnaire pendant la filtration
10la substance filtrante étant retenue dans un récipient fermé
16Filtration vers le haut
B01D 24/46
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
01PROCÉDÉS OU APPAREILS PHYSIQUES OU CHIMIQUES EN GÉNÉRAL
DSÉPARATION
24Filtres à substance filtrante non agglomérée, c. à d. à substance filtrante sans aucun liant entre les particules ou les fibres individuelles qui la composent
46Régénération de la substance filtrante dans le filtre
C02F 3/1
CPC
B01D 24/263
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
24Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
02with the filter bed stationary during the filtration
20the filtering material being provided in an open container
26Upward filtration
263the filtering material being supported by pervious surfaces
B01D 24/4621
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
24Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
46Regenerating the filtering material in the filter
4605by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
4621by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream
B01D 24/4631
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
24Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
46Regenerating the filtering material in the filter
4631Counter-current flushing, e.g. by air
B01D 24/4846
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
24Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
48integrally combined with devices for controlling the filtration
4807Handling the filter cake for purposes other than regenerating
4846Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
B01D 35/12
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
35Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
12Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
B01D 2201/14
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2201Details relating to filtering apparatus
14Particulate filter materials with a lower density than the liquid mixture to be filtered
Déposants BRIGHTWATER ENGIENEERING LTD
Inventeurs CANTWELL ALAN DAVID COLE
EVANS IAN DAVID
WHITAKER JOHN
Données relatives à la priorité 9012703 07.06.1990 GB
9100912 07.06.1991 GB
Titre
(DE) VERFAHREN ZUR BIOLOGISCHEN BEHANDLUNG VON FLÜSSIGKEIT