WO1989003240A1 - Process and plant for clarifying liquids, in particular raw juice - Google Patents
Process and plant for clarifying liquids, in particular raw juice Download PDFInfo
- Publication number
- WO1989003240A1 WO1989003240A1 PCT/CH1988/000191 CH8800191W WO8903240A1 WO 1989003240 A1 WO1989003240 A1 WO 1989003240A1 CH 8800191 W CH8800191 W CH 8800191W WO 8903240 A1 WO8903240 A1 WO 8903240A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cross
- flow filtration
- filtration device
- retentate
- plant according
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 235000011389 fruit/vegetable juice Nutrition 0.000 title claims abstract description 8
- 230000008569 process Effects 0.000 title claims abstract description 7
- 239000007788 liquid Substances 0.000 title claims description 4
- 238000009295 crossflow filtration Methods 0.000 claims abstract description 69
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000012466 permeate Substances 0.000 claims abstract description 9
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 239000012465 retentate Substances 0.000 claims description 32
- 241000196324 Embryophyta Species 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000006025 fining agent Substances 0.000 claims description 5
- 235000013399 edible fruits Nutrition 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 241000219094 Vitaceae Species 0.000 claims description 2
- 235000021028 berry Nutrition 0.000 claims description 2
- 235000021021 grapes Nutrition 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 235000013311 vegetables Nutrition 0.000 claims description 2
- 239000010802 sludge Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- 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
- B01D61/149—Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or microfiltration
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/70—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
- A23L2/72—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter by filtration
- A23L2/74—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter by filtration using membranes, e.g. osmosis, ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
- B01D29/945—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents
-
- 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
- B01D61/145—Ultrafiltration
- B01D61/146—Ultrafiltration comprising multiple ultrafiltration steps
-
- 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
- C12H3/00—Methods for reducing the alcohol content of fermented solutions or alcoholic beverage to obtain low alcohol or non-alcoholic beverages
- C12H3/04—Methods for reducing the alcohol content of fermented solutions or alcoholic beverage to obtain low alcohol or non-alcoholic beverages using semi-permeable membranes
Definitions
- the invention relates to a method and a system for clarifying liquids, in particular raw juice from fruit, grapes, berries or other fruits, vegetables and seeds or wine by means of cross-flow filtration and a device for reducing the cloudiness in the pension.
- a prerequisite for the production of a uniformly clear product is that all membranes have the same separation limit. As a result, however, the average filtration capacity or the average flux decreases, which, compared to semi-continuous systems, leads to systems with a large membrane area and is very expensive.
- at least three stages are necessary for optimal operation. This means, especially in the case of small and medium-sized plant sizes, higher acquisition costs and more complicated operation of the plant.
- the last stage runs continuously with the highest concentration factor and thereby jeopardizes problem-free operation of the system with regard to blockage of the modules.
- the invention is based on the object of avoiding the disadvantages mentioned and of creating a method of the type mentioned at the outset which, in a simple and inexpensive manner, enables a reduction in the turbidity content in the retentate and thereby an improvement in the filtration performance and the yield .
- this object is achieved in that retentate is subjected to the cross-flow filtration at least one second coarser cross-flow filtration and the permeate from the second or further cross-flow filtration is returned to the retentate side of the first cross-flow filtration.
- the first crossflow filtration is carried out by ultra or microfiltration tion and the second cross-flow filtration by micro or coarse filtration.
- Finishing agents can be added to the retentate before or during the filtration in the second cross-flow filtration in order to reduce the tendency of the membranes to clog.
- the system for carrying out the method consists of a first crossflow filtration device, the retentate side of which is connected via a line to the retentate side of a second crossflow filtration device, a line leading from the permeate side of the second crossflow filtration device to the retentate side of the first crossflow filtration device.
- the pore size of the membrane of the second crossflow filtration device is larger than .. the pore size of the membrane of the second crossflow filtration device.
- the second cross-flow filtration device is advantageously equipped with micro- or coarse filtration membranes.
- the pore size is approximately 0.1 to 20 ⁇ m.
- the second cross-flow filtration device In order to be able to work with the highest possible pressures in the micro or coarse filtration of the second cross-flow filtration device, the latter is equipped with metal or ceramic modules, the permissible transmembrane pressure of which is greater than with the filtration modules of the first cross-flow filtration device.
- the maximum transmembrane pressure of the metal or ceramic modules is preferably at least 6 bar.
- the channel cross section of the filtration modules of the second crossflow filtration device is larger than that of the filtration modules of the first crossflow filtration device.
- the second crossflow filtration device is advantageously equipped with tube modules which have a tube diameter of at least 6 mm.
- the advantages achieved by the invention are, in particular, that a high flux with a small membrane area is achieved by the coarse filtration in the second crossflow filtration device, with less membrane surface means a reduction in the investment costs.
- the metal membranes used for the higher pressures and coarser separation limit of the second crossflow filtration device which are not or only costly to manufacture for small separation limits, can be combined with relatively inexpensive plastic membranes for the first crossflow filtration device.
- the use of membranes instead of the known side-stream centrifuge to reduce the sludge content results in better selectivity.
- the trub content in the retentate is greatly reduced and the yield is improved.
- the service life of the first cross-flow filtration device until cleaning is extended in the case of relatively modest additional investments and the service life of the membrane is increased.
- a high concentration factor only occurs towards the end of the process cycle.
- the raw juice to be clarified is fed via a feed line 1 to a first crossflow filtration device 2, which consists of an ultra or a microfiltration device.
- the clear juice is separated from the residue on a membrane surface 3 of the crossflow filtration device 2 and discharged through a permeate discharge line 4 to a collection point.
- Cheap plastic modules for low pressures are used for the membrane surface 3.
- a line 5 for retentate leads to a second crossflow filtration device 6, which consists of a micro or coarse filtration device.
- the membrane surface 7 of the cross-flow filtration device 6 is preferably formed by metal or ceramic modules which have a larger pore size of approximately 0.1 to 20 ⁇ m compared to the plastic modules of the first cross-flow filtration device 2. Since higher pressures are used in coarse filtration than in ultrafiltration in cross-flow filtration device 2, the metal or ceramic modules are designed for a maximum transmembrane pressure of more than 6 bar.
- the channel cross sections of the coarse filtration modules are also larger than those of the first crossflow filtration device 2.
- tube modules with a tube diameter of at least 6 mm are used.
- the permeate separated off on the membrane surface 7 of the crossflow filtration device 6 is returned via a line 8 to the retentate side of the first crossflow filtration device 2.
- From the retentate side of the two- A cross-flow filtration device 6 branches off a line 9 through which the residual retentate is discharged.
- a circuit is created in which the turbidity, which is continuously removed via line 9, is considerably reduced.
- continuous supply of raw juice via the supply line 1 continuous operation with a constant turbidity content is achieved when the cross-flow filtration device 2 is rented.
- the trub content in the retentate of the crossflow filtration device 6 only increases drastically towards the end of the process cycle, so that this production phase can be monitored with little effort.
- the retentate can be treated with fining agents before the membrane filtration system 6.
- fining agents preferably by means of a mixing nozzle 10, for example an injection nozzle or by static mixing, into the retentate line 5.
- the resulting agglomerates between macromolecules and beauty agents can be used by means of the second membrane filter disconnect trations worn 6.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biochemistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Nutrition Science (AREA)
- Polymers & Plastics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4070/87-7 | 1987-10-16 | ||
CH4070/87A CH673957A5 (lt) | 1987-10-16 | 1987-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1989003240A1 true WO1989003240A1 (en) | 1989-04-20 |
Family
ID=4269258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1988/000191 WO1989003240A1 (en) | 1987-10-16 | 1988-10-14 | Process and plant for clarifying liquids, in particular raw juice |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0338043A1 (lt) |
CH (1) | CH673957A5 (lt) |
WO (1) | WO1989003240A1 (lt) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0388628A2 (de) * | 1989-03-18 | 1990-09-26 | OTTO TUCHENHAGEN GmbH & Co. KG | Verfahren zur Abscheidung von Partikeln aus vergärbaren oder vergorenen Suspensionen der Getränkeherstellung |
WO1990014018A1 (de) * | 1989-05-18 | 1990-11-29 | Bucher-Guyer Ag Maschinenfabrik | Verfahren und anlage zur klärung von flüssigkeiten, insbesondere rohsaft |
WO1991005847A1 (de) * | 1989-10-20 | 1991-05-02 | Bucher-Guyer Ag Maschinenfabrik | Verfahren zur klärung von rohsaft sowie anlage zur durchführung des verfahrens |
EP0464506A1 (de) * | 1990-07-04 | 1992-01-08 | BUCHER-GUYER AG Maschinenfabrik | Verfahren und Anlage zur Klärung von Flüssigkeiten |
WO1993014650A1 (de) * | 1992-01-29 | 1993-08-05 | Bucher-Guyer Ag Maschinenfabrik | Verfahren zur herstellung eines zuckerreduzierten, alkoholfreien getränkes |
EP0562100A1 (en) * | 1991-10-15 | 1993-09-29 | Nutrasweet Co | Sugar separation in juices. |
WO1995033045A1 (de) * | 1994-05-30 | 1995-12-07 | BÄCHLI, Emil | Verfahren zur bereitung einer trüben, sich verflüchtigende stoffe oder aromastoffe enthaltenden flüssigkeit |
GB2306898A (en) * | 1995-11-09 | 1997-05-14 | Weizmann Kiryat Membrane Prod | Membrane recovery of chromatography solvent and solute |
US6113791A (en) * | 1990-07-06 | 2000-09-05 | Bucher-Guyer Ag | Process for flushing the filtration modules of a unit for clarifying liquids |
FR2800386A1 (fr) * | 1999-10-27 | 2001-05-04 | Brunet | Procede de filtration tangentielle du mout de raisin et dispositif pour la mise en oeuvre dudit procede |
IT201800007405A1 (it) * | 2018-07-20 | 2020-01-20 | Metodo ed impianto di fermentazione |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2389284C (en) * | 1999-10-27 | 2008-03-25 | Rwe Nukem Corporation | Waste water treatment system |
DE10255064A1 (de) * | 2002-11-25 | 2004-06-17 | Rwe Nukem Gmbh | Verfahren zum Behandeln von radioaktivem Abwasser |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2046055A1 (de) * | 1969-04-04 | 1971-04-22 | Hydronautics Israel Ltd Rehovot (Israel) | Verfahren und Vorrichtung zum Einengen von Losungen |
DE3517886A1 (de) * | 1984-08-17 | 1986-02-20 | Bucher-Guyer Ag Maschinenfabrik, Niederweningen | Verfahren zur gewinnung von fluessigkeit aus einer restsubstanz und vorrichtung zur durchfuehrung derselben |
-
1987
- 1987-10-16 CH CH4070/87A patent/CH673957A5/de not_active IP Right Cessation
-
1988
- 1988-10-14 EP EP88908657A patent/EP0338043A1/de not_active Withdrawn
- 1988-10-14 WO PCT/CH1988/000191 patent/WO1989003240A1/de not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2046055A1 (de) * | 1969-04-04 | 1971-04-22 | Hydronautics Israel Ltd Rehovot (Israel) | Verfahren und Vorrichtung zum Einengen von Losungen |
DE3517886A1 (de) * | 1984-08-17 | 1986-02-20 | Bucher-Guyer Ag Maschinenfabrik, Niederweningen | Verfahren zur gewinnung von fluessigkeit aus einer restsubstanz und vorrichtung zur durchfuehrung derselben |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0388628A2 (de) * | 1989-03-18 | 1990-09-26 | OTTO TUCHENHAGEN GmbH & Co. KG | Verfahren zur Abscheidung von Partikeln aus vergärbaren oder vergorenen Suspensionen der Getränkeherstellung |
EP0388628A3 (de) * | 1989-03-18 | 1991-11-27 | OTTO TUCHENHAGEN GmbH & Co. KG | Verfahren zur Abscheidung von Partikeln aus vergärbaren oder vergorenen Suspensionen der Getränkeherstellung |
WO1990014018A1 (de) * | 1989-05-18 | 1990-11-29 | Bucher-Guyer Ag Maschinenfabrik | Verfahren und anlage zur klärung von flüssigkeiten, insbesondere rohsaft |
WO1991005847A1 (de) * | 1989-10-20 | 1991-05-02 | Bucher-Guyer Ag Maschinenfabrik | Verfahren zur klärung von rohsaft sowie anlage zur durchführung des verfahrens |
EP0464506A1 (de) * | 1990-07-04 | 1992-01-08 | BUCHER-GUYER AG Maschinenfabrik | Verfahren und Anlage zur Klärung von Flüssigkeiten |
CH680976A5 (lt) * | 1990-07-04 | 1992-12-31 | Bucher Guyer Ag Masch | |
US6113791A (en) * | 1990-07-06 | 2000-09-05 | Bucher-Guyer Ag | Process for flushing the filtration modules of a unit for clarifying liquids |
EP0562100A1 (en) * | 1991-10-15 | 1993-09-29 | Nutrasweet Co | Sugar separation in juices. |
EP0562100A4 (lt) * | 1991-10-15 | 1994-02-09 | The Nutrasweet Company | |
WO1993014650A1 (de) * | 1992-01-29 | 1993-08-05 | Bucher-Guyer Ag Maschinenfabrik | Verfahren zur herstellung eines zuckerreduzierten, alkoholfreien getränkes |
WO1995033045A1 (de) * | 1994-05-30 | 1995-12-07 | BÄCHLI, Emil | Verfahren zur bereitung einer trüben, sich verflüchtigende stoffe oder aromastoffe enthaltenden flüssigkeit |
GB2306898A (en) * | 1995-11-09 | 1997-05-14 | Weizmann Kiryat Membrane Prod | Membrane recovery of chromatography solvent and solute |
GB2306898B (en) * | 1995-11-09 | 1999-06-16 | Weizmann Kiryat Membrane Prod | A multi-stage membrane system and process |
FR2800386A1 (fr) * | 1999-10-27 | 2001-05-04 | Brunet | Procede de filtration tangentielle du mout de raisin et dispositif pour la mise en oeuvre dudit procede |
IT201800007405A1 (it) * | 2018-07-20 | 2020-01-20 | Metodo ed impianto di fermentazione | |
WO2020016695A1 (en) * | 2018-07-20 | 2020-01-23 | Della Toffola Spa | Method and apparatus for fermentation |
Also Published As
Publication number | Publication date |
---|---|
EP0338043A1 (de) | 1989-10-25 |
CH673957A5 (lt) | 1990-04-30 |
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