GB1290001A – – Google Patents
GB1290001A – – Google Patents
Info
Publication number
GB1290001A
GB1290001A
GB1290001DA
GB1290001A
GB 1290001 A
GB1290001 A
GB 1290001A
GB 1290001D A
GB1290001D A
GB 1290001DA
GB 1290001 A
GB1290001 A
GB 1290001A
Authority
GB
United Kingdom
Prior art keywords
compartments
liquid
vapour
tubes
feed
Prior art date
1968-12-24
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.)
Expired
Application number
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.)
1968-12-24
Filing date
1969-12-01
Publication date
1972-09-20
1969-12-01
Application filed
filed
Critical
1972-09-20
Publication of GB1290001A
publication
Critical
patent/GB1290001A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
A—HUMAN NECESSITIES
A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
A23F5/00—Coffee; Coffee substitutes; Preparations thereof
A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
A23F5/28—Drying or concentrating coffee extract
A23F5/285—Drying or concentrating coffee extract by evaporation, e.g. drying in thin layers, foam drying
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
B01D63/08—Flat membrane modules
B01D63/082—Flat membrane modules comprising a stack of flat membranes
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
B01D63/08—Flat membrane modules
B01D63/082—Flat membrane modules comprising a stack of flat membranes
B01D63/0822—Plate-and-frame devices
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D2313/00—Details relating to membrane modules or apparatus
B01D2313/08—Flow guidance means within the module or the apparatus
B01D2313/086—Meandering flow path over the membrane
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D2313/00—Details relating to membrane modules or apparatus
B01D2313/14—Specific spacers
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S159/00—Concentrating evaporators
Y10S159/27—Micropores
Abstract
1290001 Evaporators; concentration of solutions IONICS Inc 1 Dec 1969 [24 Dec 1968] 58575/69 Headings BIB and B1X A volatile component is removed from a liquid mixture by diffusion of vapour therefrom through selective membranes 10 in an apparatus comprising a pack of feed compartments 8, heating compartments 7 and vapour compartments 9 formed by frame members and heat transfer sheets 11, the arrangement being such that two liquid flow compartments are disposed on either side of each vapour compartment, and conduits formed by aligned holes in the membranes, sheets and the gaskets of the frame members supply the feed stream 60, the heating medium (steam or hot water) 62 to their respective compartments while a third conduit 61 serves for applying partial vacuum to the vapour compartments by pumps 26. The liquid enters and leaves the compartments 8 via channels 50..56. The liquid leaves each compartment 8 in a direction away from the immediately adjacent selective membrane 10. In the apparatus shown, feed liquid and heating medium are pumped through tubes 20 and 21 respectively into vacuum spacers 14. These streams then flow in parallel through their respective compartments 8 and 7. The concentrated liquid is withdrawn from the apparatus through tubes 23; and heating medium is withdrawn through tubes 24. In a modified apparatus (Fig. 1, not shown), the feed liquid flows in series through the compartments 8. It is stated that, instead of applying partial vacuum to compartments 9, sweep gas may be passed through them. The apparatus may be used for the concentration of aqueous extracts of coffee, and fruit and vegetable juices. For such aqueous liquors, the membrane-material should be strongly hydrophilic to allow permeation of water and impede the evaporation of organic constituents. The membrane may be made of an organic polymer or a cellulose ester.
GB1290001D
1968-12-24
1969-12-01
Expired
GB1290001A
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US78663468A
1968-12-24
1968-12-24
US3066170A
1970-04-22
1970-04-22
Publications (1)
Publication Number
Publication Date
GB1290001A
true
GB1290001A
(en)
1972-09-20
Family
ID=26706303
Family Applications (3)
Application Number
Title
Priority Date
Filing Date
GB1290002D
Expired
GB1290002A
(en)
1968-12-24
1969-12-01
GB1290001D
Expired
GB1290001A
(en)
1968-12-24
1969-12-01
GB1290003D
Expired
GB1290003A
(en)
1968-12-24
1969-12-01
Family Applications Before (1)
Application Number
Title
Priority Date
Filing Date
GB1290002D
Expired
GB1290002A
(en)
1968-12-24
1969-12-01
Family Applications After (1)
Application Number
Title
Priority Date
Filing Date
GB1290003D
Expired
GB1290003A
(en)
1968-12-24
1969-12-01
Country Status (5)
Country
Link
US
(2)
US3520803A
(en)
DE
(1)
DE1964635A1
(en)
FR
(1)
FR2026998A1
(en)
GB
(3)
GB1290002A
(en)
NL
(1)
NL6918953A
(en)
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A device for the diffusion of substances between two fluids via semipermeable membranes
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1981-03-17
1983-12-27
Gambro Ag
Device for the diffusion of substances between two fluids via semipermeable membranes
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1986-11-26
1999-02-09
Kopf; Henry B.
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1986-11-26
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1987-06-25
1989-05-17
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Blood component separator
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Filter plate, filter plate element, and filter comprising same
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National Research Council Of Canada
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Title
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*
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weema
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US
US786634A
patent/US3520803A/en
not_active
Expired – Lifetime
1969
1969-12-01
GB
GB1290002D
patent/GB1290002A/en
not_active
Expired
1969-12-01
GB
GB1290001D
patent/GB1290001A/en
not_active
Expired
1969-12-01
GB
GB1290003D
patent/GB1290003A/en
not_active
Expired
1969-12-04
FR
FR6941947A
patent/FR2026998A1/fr
not_active
Withdrawn
1969-12-17
NL
NL6918953A
patent/NL6918953A/xx
unknown
1969-12-23
DE
DE19691964635
patent/DE1964635A1/en
active
Pending
1970
1970-04-22
US
US30661A
patent/US3695444A/en
not_active
Expired – Lifetime
Also Published As
Publication number
Publication date
GB1290002A
(en)
1972-09-20
GB1290003A
(en)
1972-09-20
US3520803A
(en)
1970-07-21
DE1964635A1
(en)
1970-07-09
FR2026998A1
(en)
1970-09-25
NL6918953A
(en)
1970-06-26
US3695444A
(en)
1972-10-03
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1973-05-09
CSNS
Application of which complete specification have been accepted and published, but patent is not sealed
