EP1991342A1 - Dispositif filtre pour un ensemble pompe - Google Patents

Dispositif filtre pour un ensemble pompe

Info

Publication number
EP1991342A1
EP1991342A1 EP06776719A EP06776719A EP1991342A1 EP 1991342 A1 EP1991342 A1 EP 1991342A1 EP 06776719 A EP06776719 A EP 06776719A EP 06776719 A EP06776719 A EP 06776719A EP 1991342 A1 EP1991342 A1 EP 1991342A1
Authority
EP
European Patent Office
Prior art keywords
filtrate
pump
filter
flow
crossflow
Prior art date
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.)
Withdrawn
Application number
EP06776719A
Other languages
German (de)
English (en)
Inventor
Helmut Kammerloher
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.)
Krones AG
Original Assignee
Krones AG
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 Krones AG filed Critical Krones AG
Priority to EP06776719A priority Critical patent/EP1991342A1/fr
Publication of EP1991342A1 publication Critical patent/EP1991342A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/06—Precipitation by physical means, e.g. by irradiation, vibrations
    • C12H1/063—Separation by filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/22—Controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1238—Machines, pumps, or pumping installations having flexible working members having peristaltic action using only one roller as the squeezing element, the roller moving on an arc of a circle during squeezing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/24—Specific pressurizing or depressurizing means
    • B01D2313/243—Pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04—Backflushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/282—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by spray flush or jet flush

Definitions

  • the invention relates to a filter device and a method, in particular for the filtration of proteins, polysaccharides and / or fermentation microorganisms such.
  • yeasts loaded liquids according to the preambles of claims 1 and 7, and a hose pump and its use for a filter device.
  • kieselguhr for beer clarification is today increasingly regarded as problematic. Due to the disposal problem of kieselguhr as well as the toxicity of Kiesefgur dust, alternatives to conventional beer filtration with pre-wetting filters are being sought. In the field of food technology, other suitable liquids are also being sought for other liquids loaded with proteins and polysaccharides.
  • One possible solution is the so-called crossflow microfiltration process in which, for example, unfiltered material is passed through a membrane filter candle. The unfiltered material flows through the filter cartridge in the longitudinal direction, wherein the unfiltered material permeates through the membrane filter cartridge transversely to the unfiltrate stream.
  • the filter cartridges may be plastic membrane filter cartridges, ceramic membrane filter cartridges or metal sintered filter cartridges. To increase the filtration performance membrane filter cartridges can be summarized in a module with filter surfaces of 10 m 2 and more.
  • the main difficulty in the operation of such filter systems is the cleaning problem and the associated short service life of the system.
  • liquids eg beer, juices, wine
  • a cover layer which is removed by means of the upper flow and thus controlled by the flow shape.
  • the membrane filter cartridge In order to keep the membrane flow in an optimum range, but in any case above a minimum value, the membrane filter cartridge must be cleaned in recurring cycles. For this purpose, a variety of methods are used.
  • the methods used range from backwashing, changing the direction of the flow to Complete cleaning of the system including the membrane with acid, alkalis and special additives. But just plastic membranes are permanently damaged by aggressive cleaning agents. There occurs an embrittlement of the material, which significantly shortens the membrane life, in particular diaphragm fractures are promoted by the alternating load of rewinding. This reduces the service life of the system.
  • the cleaning is also due to the material due to the material a maximum temperature of about 50 to 80 ° set, which prevents optimal hot cleaning by lye. Similarly, there are limits of maximum pressure load (usually between 10 and 20 bar).
  • Other approaches to solving the cleaning problem are in addition to the backwash and detergents enzyme use and ultrasound. Also, the enzyme use for precipitation of the main components which cause the blocking, for the production of beer because of any remaining residues questioned. The use of ultrasound also leads in part to a blocking of the filter cartridges.
  • the object of the present invention is to provide a filter device, or a method, in particular for the filtration of liquids laden with proteins or polysaccharides, which permit an increased service life of the module or of the membrane filter cartridges.
  • a pressure pulse or volume flow is temporarily generated during the filtration as a function of the pumping power or the rotational speed, wherein filtrate is pumped back against the flow direction of the filtrate, ie pushed back, so that the cover layer, which is in the channels of the membrane filter cartridges training is worn away or can not even arise.
  • the blocking of the membrane can be effectively counteracted in the formation.
  • a pump device in the Filtratab Arthur which is connected to the Filtratab- run of the module, wherein the pump device is designed such that it can pump back the filtrate against the flow direction on the one hand but on the other hand not blocked the Fittratmann so that the filtrate in its Filtratab- flow direction unhindered by the pump device, for example to a filtrate buffer tank can flow.
  • the filtrate flow is not blocked, so that the filtrate can flow off in an effective manner.
  • the pump device for. B. a peristaltic pump or gear pump whose direction of the flow direction of the filtrate is opposite.
  • a peristaltic pump or gear pump whose direction of the flow direction of the filtrate is opposite.
  • Such a pump is inexpensive and meets in a simple manner the condition that the pump can both pump back filtrate but also simply filtrate in the flow direction of the filtrate can flow so counter to the direction of the pump. (The pump can also pump in the flow direction of the filtrate if necessary).
  • the peristaltic pump is in particular designed such that it has a e.g.
  • each crossflow filter module or module unit in its corresponding filtrate discharge is assigned its own pump device.
  • the pump power can be adjusted individually to the requirements of the corresponding module or module units.
  • the peristaltic pump may be driven continuously at low speed (e.g., from 1 to 10 Hz) with pause intervals therebetween (e.g., 5 to 60 seconds).
  • low speed e.g., from 1 to 10 Hz
  • pause intervals therebetween e.g., 5 to 60 seconds.
  • the peristaltic pump can also work for a short time at high speed (5 to 150 Hz) in order to solve existing blockages. It is important to ensure that, overall, during continuous operation of the pump device, the pumped back amount of filtrate is smaller than the filtrate, which flows in the direction of flow through the pumping device, so that sufficient filtrate can be removed.
  • the invention also relates to the use of a peristaltic pump for a filter device, wherein the pump device is arranged and configured such that it During filtration, at times filtrate pumps back against the flow direction of the filtrate and temporarily does not block the filtrate flow, and is driven substantially continuously at low speed with pause intervals.
  • the hose pump according to the invention for a filter device is constructed so that its direction of flow or conveying direction of the flow direction of the filtrate of the filter device is opposite, wherein the hose pump has a hose and a rotating shoe which squeezes the tube during its rotation in a first angular range ß and so the filtrate promotes against the flow direction and in a second angle range ⁇ does not compress the tube, so that the filtrate can flow freely through the tube pump in Filtratpound Vietnamese, the hose pump is driven substantially continuously at low speed with pause intervals.
  • the hose of the hose pump is guided in a U-shape, so that the first angular range ⁇ extends from a 45 ° position of the sliding shoe to a 315 ° position of the sliding shoe.
  • the sliding shoe is flattened or milled.
  • the shoe is preferably flattened so that it compresses the pipe cross-section of the hose less than 100%, preferably compresses up to 70%. Due to the fact that the hose is not completely pushed off by the sliding shoe, the pumping capacity can be adjusted so that a substantially continuous operation of the pump against the filtrate flow direction is possible.
  • Fig. 1 shows a section through a pump device according to the present invention.
  • FIG. 2 shows a section through a crossflow filter module with a crossflow filter module.
  • FIG. 3 shows a section along the line II in FIG. 2.
  • FIG. 4 shows a perspective view of a crossflow
  • Fig. 5 shows a front view of a crossflow filter module with several
  • FIG. 6 shows a perspective view of the filter module shown in FIG. 5.
  • Fig. 7 shows a schematic representation of a filter device with several
  • FIG 8 shows schematically the use of the filter device according to the invention as a beer filter.
  • Fig. 9 shows greatly simplified, the speed of the pump device as a function of time.
  • 10a shows in simplified form the filtrate flow as a function of the angle of rotation of the sliding block.
  • Fig. 10b shows in a highly simplified manner, the amount of pumped back filtrate depending on the angle of rotation of the shoe of the pump device.
  • Fig. 11 shows schematically an embodiment of the invention.
  • Fig. 11 shows schematically the structure of a filter device according to the invention.
  • the filter device according to the invention comprises a crossflow membrane filter module 10 and a pump device 6 in a filtrate discharge line 30, which are supplied by the crossflow filter module 10, for example to a filtrate buffer tank (not shown in FIG. 11). leads.
  • a pressure sensor 9 is arranged in front of the pump device 6, in front of the pump device 6, in front of the pump device 6, in front of the pump device 6, a pressure sensor 9 is arranged.
  • the filter module 10 is a crossflow membrane filter module comprising at least one membrane filter cartridge 1.
  • Fig. 2 to 4 show schematically a Such a filter module 10 and its operation with only one membrane filter cartridge 1.
  • the filter module 10 here has a pressure housing 7, which comprises a membrane filter cartridge 1, which is flowed through by unfiltered beer in the crossflow of unfiltered material U 1 . Between the membrane filter cartridge 1 and the pressure housing 7, a fluid chamber 8 is formed.
  • the multi-membrane filter cartridge 1, as shown in more detail in FIGS. 3 and 4, has a plurality of channels 11 which extend in the longitudinal direction through the filter cartridge 1.
  • the channel diameter is in a range of about 0.5 to 10 mm when the filter cartridge is formed of plastic, for example, polysulfone, polysulfonamides, polyurethane or similar polymers.
  • the diameter of the filter candle is in a range of slightly more than 0.5 to 2 mm for plastic and about 10 to 60 mm for ceramic.
  • the filter cartridge may also be formed of ceramic material such as Al 2 O 3 .
  • a few micrometers thick membrane layer, for example of Al 2 O 3 , ZrO 2 , TiO 2 can be arranged on the inside of the tube.
  • the pore size for filtration is for beer filtration, for example, 0.2 to 0.8 microns
  • the filter cartridge length is in a range of about 0.5 to 3 m.
  • unfiltered material enters the channels 11 of the filter cartridge 1 through the unfiltrate inlet 2, passes across the filter cartridge and leaves the surface of the filter cartridge 1 as filtrate and enters the filtrate space 8 where the filtrate F can be withdrawn via the filtrate outlet 4, ie via a Filtratab effet 30, for example, running to a Filtratbufferertank.
  • the flow direction of the filtrate which flows from the Filtratablauf example to a buffer tank is referred to below as Filtratmanniques.
  • the unfiltered material U flowing through the channels 11 leaves the module 10 at its unfiltrate outlet 3.
  • the crossflow filter module 10 comprises a plurality of membrane filter cartridges 1, as shown in FIGS. 5 and 6.
  • the structure of such an arrangement substantially corresponds to the structure, as described in connection with FIGS. 2 to 4, with the exception that in the pressure vessel 7 more Multitubemembranfilterkerzen, eg 7 to 19 pieces in plastic hollow fiber membranes 1000 - 2000 pieces parallel to each other are arranged.
  • a cover plate can be seen on the front, which is fastened via a fastening device 13 to the tubular pressure vessel, flanged here. Via the flanges 14, the modules 10 can be connected to corresponding pipes or other modules. It is also possible to design so-called double modules where two module units are attached together.
  • Fig. 1 shows the pump device 6 in detail.
  • a pumping device 6 is provided in the filtrate discharge line 30 which is connected to the filtrate drain 4, the pumping device 6 being designed such that during the filtration it temporarily pumps back filtrate counter to the direction of flow, i. in a direction opposite to the arrow shown in FIG. 11.
  • the pump device 6 is constructed in such a way that it has its running direction counter to the flow direction of the filtrate F, it does not temporarily block the filtrate flow so that the filtrate F can flow unimpeded through the pump device 6 in the filtrate flow direction.
  • Fig. 1 is a preferred embodiment of such a pump device 6.
  • the pump device 6 shown in Fig. 1 is formed as a peristaltic pump 6.
  • the pump could, however, z. B. also be a gear pump.
  • Such a peristaltic pump, or peristaltic pump is a positive displacement pump, wherein the medium to be conveyed here, the filtrate from the filtrate 4 is passed through a here guided U-shaped tube 26. That is, here, the tube 26 is an extension of the Filtratab effet 30.
  • the peristaltic pump 6 further has a housing 19.
  • the peristaltic pump 6 further has a sliding block 18 which rotates here about the axis 31 together with a plate 20.
  • the hose 26 is supported on the inside 29 of the housing.
  • the hose 26 is compressed or clamped from the inside by the sliding block 18.
  • the shoe 18 Upon rotation of the shoe 18 then moves the "Abklemmstelle" along the tube 26, thus driving the filtrate. Since the running direction (see arrow) of the peristaltic pump 6 is opposite to the flow direction of the filtrate, the peristaltic pump 6 conveys the filtrate back.
  • the peristaltic pump 6 here has only one sliding block 18. During the rotation in the angular range ⁇ , ie in the first angular range, the sliding shoe 18 presses the hose 26 together during its movement as described above.
  • the sliding shoe 18 does not press on the hose 26, so that when the sliding shoe 18 is in this angular range, the filtrate F does not move counter to the filtrate flow direction, but the filtrate F is free Filtrathnerich- direction through the hose 26 of the pump can flow.
  • the drive shaft (not shown) of the shoe 18 is initialized so that in the rest position of the pump, ie when the shoe does not move, the shoe 18 is in the angular range ⁇ , that is, in a position where the hose is not compressed, so that the filtrate can flow freely through the hose 26.
  • the sliding shoe is flattened. That is, the shoe 18 extends radially only to compress the pipe section of the hose less than 100% so that part of the pipe cross section remains open.
  • the line cross-section of the tube is compressed up to 70% or up to 50%.
  • the volume pumped back by the peristaltic pump during rotation towards the crossflow filter module 10 is about 0.08 to about 3 liters per revolution, depending on the size of the module. Due to the fact that during the filtration, filtrate is pumped back against the filtrate flow direction, cover layer deposits in the thin channels 11 of the membrane filter cartridges 1 may become detached. Thus, too large deposits can be prevented during the filtration and thus blocking of the membrane can be prevented. Thus, the service life of the crossflow filter modules can be extended.
  • the angular range ß ie in this embodiment, for example, between 45 ° and 315th 10
  • the pumped back amount of filtrate is smaller than the filtrate flow through the pumping means in filtrate flow direction by pause intervals, as indicated in Fig. 9, re be alinstrument.
  • a strong cover layer has already formed in a module, it is also possible for the hose pump to operate at very high speed for a short time (eg approx.> 100 Hz). There are several revolutions (eg 5 to 10) followed by pauses (eg 5 to 20s). This application can be repeated several times (eg two to eight times).
  • Fig. 7 shows a preferred embodiment according to the present invention.
  • the filter modules 10 are connected in series in such a way that unfiltered material U from the unfiltrate outlet 3 of a filter module is supplied to the unfiltrate inlet 2 of the downstream filter module 1, a bypass line 15 being provided, which is a partial flow of the non-filtrate U upstream of the unfiltrate inlet 2 of a filter module first filter module 10 past the first filter module 10 and at least one subsequent filter module 10 as unfiltered feeds.
  • the bypass can counteract the pressure drop of the individual filter modules, without a regulation of the Unfiltrat Wegmenge and pressure ratios of the individual filter modules is necessary.
  • a return line 17 may be provided (not shown here), which feeds back the unfiltered filtrate in a loop to the first filter module of the crossflow membrane filter system, so that a filter circuit is realized. As can be seen from FIG.
  • each filter module 10 has corresponding filtrate discharges 30, which are combined into a common discharge line, which then leads, for example, to the buffer tank.
  • each filter module 10 is assigned its own pump device 6 in the filtrate discharge 30, a pressure sensor 9. Only in filter orientation behind the respective pumps 6, the filtrate streams of the four modules 10a, b, c, d are summarized. This has the advantage that the operation of the pump 6 (speed, rotation duration, pause intervals) can be adapted to the requirements of the corresponding filter module 10a, b, c, d.
  • Fig. 8 shows the filter device shown in Fig. 7 as a beer filter.
  • the unfiltered product ie the beer
  • the unfiltered beer is fed to a buffer tank 18 via the pump 22 directly from the storage.
  • the unfiltered beer is fed via a pressure pump 21 via a corresponding circuit panel and, if appropriate, a cooler from the non-filtrate buffer tank to the cross-flow membrane filter unit via an emergency feed line 14.
  • the pump 20 pumps the unfiltered as described above in the series-connected filter modules 10 a, b, c, d and possibly in the optionally provided bypass line 15.
  • the filtration takes place via the return line 17 in the circuit, the Unfiltrate from the last filter module 10d in the flow direction upstream of the pump 20 of Unfilt- ratzu Adjust 14 can be supplied to be pumped again through the filter modules.
  • the unfiltered material can also be first fed back into the buffer tank 18, and then later again to be supplied to the crossflow membrane filter system.
  • the filtrate from the filtrate outlet 4 of the individual modules 10a, b, c, d runs in the corresponding Filtratableiteptept 30 via a pressure sensor 9. That is, n pumping devices 6 are provided for n modules.
  • the pump device 6 then temporarily allows the filtrate to pass unhindered in the filtrate flow direction, so that it can run to the buffer tank 24, for example, or pump it back into the filter modules 10a, b, c, d, as described above, back into the filter modules 10a, b, c, d, such that the Cover layer on the inside of the channels 11 can solve or not even arise.
  • the withdrawn filtrate can then be further fed to a pressure tank in the filter cellar.
  • the modules 10 a, b, c, d can also be formed in each case as module units with a plurality of modules.
  • cleaning liquid can be flushed through the lines and the membrane filter system via corresponding cleaning tanks 23, in this case acid, lye and hot water.
  • the filter modules 1 can also be backwashed through the filtrate outlet 4 by backwashing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Food Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Toxicology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Dispositif filtre pourvu d'un module de filtration à circulation croisée, en particulier pour la filtration de liquides chargés de protéines, de polysaccharides et / ou de micro-organismes de fermentation tels que par ex. des levures, et d'un boîtier comportant un orifice d'entrée de liquide non filtré, un orifice de sortie de liquide non filtré et un orifice de sortie de filtrat. Au moins une cartouche filtrante à membrane et à circulation croisée est placée dans le boîtier et possède au moins un canal par lequel circule le liquide non filtré U, le filtrat F étant tiré à travers la cartouche filtrante à membrane, transversalement par rapport au flux de liquide non filtré. La présente invention concerne également un procédé correspondant. L'objet de la présente invention est de prolonger la durée d'utilisation d'un dispositif filtre de ce type et en particulier d'empêcher le blocage des cartouches filtrantes à membrane. A cet effet, le filtrat produit pendant la filtration par les cartouches filtrantes à membrane et à circulation croisée est renvoyé temporairement par pompage dans le sens contraire au sens d'écoulement du filtrat par un dispositif pompe conçu de manière telle que pendant la filtration, ce dispositif renvoie à certains moments du filtrat dans le sens contraire au sens d'écoulement du filtrat et à d'autres moments, ne bloque pas le flux de filtrat.
EP06776719A 2005-08-26 2006-08-09 Dispositif filtre pour un ensemble pompe Withdrawn EP1991342A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06776719A EP1991342A1 (fr) 2005-08-26 2006-08-09 Dispositif filtre pour un ensemble pompe

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05018567A EP1757356A1 (fr) 2005-08-26 2005-08-26 Appareil de filtration avec dispositif de pompage
PCT/EP2006/007897 WO2007022868A1 (fr) 2005-08-26 2006-08-09 Dispositif filtre pour un ensemble pompe
EP06776719A EP1991342A1 (fr) 2005-08-26 2006-08-09 Dispositif filtre pour un ensemble pompe

Publications (1)

Publication Number Publication Date
EP1991342A1 true EP1991342A1 (fr) 2008-11-19

Family

ID=35754460

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05018567A Withdrawn EP1757356A1 (fr) 2005-08-26 2005-08-26 Appareil de filtration avec dispositif de pompage
EP06776719A Withdrawn EP1991342A1 (fr) 2005-08-26 2006-08-09 Dispositif filtre pour un ensemble pompe

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05018567A Withdrawn EP1757356A1 (fr) 2005-08-26 2005-08-26 Appareil de filtration avec dispositif de pompage

Country Status (2)

Country Link
EP (2) EP1757356A1 (fr)
WO (1) WO2007022868A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9932548B2 (en) 2010-03-18 2018-04-03 Gea Mechanical Equipment Gmbh System and method for filtering beverages
CN106567822A (zh) * 2016-11-04 2017-04-19 肖立峰 管道隔膜泵
DE102017208730A1 (de) * 2017-05-23 2018-11-29 Krones Ag Verfahren für den Crossflow bei der Membranfiltration von Bier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8625070D0 (en) * 1986-10-20 1986-11-26 Brewing Res Found Separation of wort from brewing mash
CA2110569A1 (fr) * 1993-07-13 1995-01-14 David B. Pall Appareil et methode pour separer le plasma d'un liquide biologique
DE4401456A1 (de) * 1994-01-19 1995-07-20 Wissenschaftsfoerderung Der De Verfahren zum Klären von Bier mit Hilfe der Crossflow-Mikrofiltration
JP3183616B2 (ja) * 1995-07-21 2001-07-09 麒麟麦酒株式会社 ビール濾過方法
DE10231835B4 (de) * 2002-07-12 2004-05-19 Sartorius Ag Verfahren zur Crossflow-Filtration von Getränken

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007022868A1 *

Also Published As

Publication number Publication date
WO2007022868A1 (fr) 2007-03-01
EP1757356A1 (fr) 2007-02-28

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