CA1304978C - Methode pour decafeiner le cafe a l'aide d'un fluide supercritique - Google Patents

Methode pour decafeiner le cafe a l'aide d'un fluide supercritique

Info

Publication number: CA1304978C
Authority: CA; Canada
Prior art keywords: caffeine; carbon dioxide; extraction vessel; coffee beans; supercritical carbon
Prior art date: 1985-07-08
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 - Lifetime

Application number

CA000512496A

Other languages

English (en)

Inventor

Saul Norman Katz

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.)

Mondelez International Inc

Original Assignee

Kraft General Foods Inc

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.)

1985-07-08

Filing date

1986-06-26

Publication date

1992-07-14

1986-06-26 Application filed by Kraft General Foods Inc filed Critical Kraft General Foods Inc

1992-07-14 Application granted granted Critical

1992-07-14 Publication of CA1304978C publication Critical patent/CA1304978C/fr

2009-07-14 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

235000016213 coffee Nutrition 0.000 title claims abstract description 66
235000013353 coffee beverage Nutrition 0.000 title claims abstract description 66
238000000034 method Methods 0.000 title claims abstract description 32
239000012530 fluid Substances 0.000 title abstract description 92
RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims abstract description 274
229960001948 caffeine Drugs 0.000 claims abstract description 138
LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims abstract description 137
VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims abstract description 137
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 108
238000000605 extraction Methods 0.000 claims abstract description 76
241000533293 Sesbania emerus Species 0.000 claims abstract description 58
229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 55
239000001569 carbon dioxide Substances 0.000 claims abstract description 54
239000006096 absorbing agent Substances 0.000 claims abstract description 26
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
239000007787 solid Substances 0.000 claims description 34
238000007599 discharging Methods 0.000 claims description 15
239000003623 enhancer Substances 0.000 claims description 12
238000005192 partition Methods 0.000 claims description 9
230000000694 effects Effects 0.000 claims description 5
238000004064 recycling Methods 0.000 claims description 3
229920006395 saturated elastomer Polymers 0.000 claims description 3
244000046052 Phaseolus vulgaris Species 0.000 abstract description 27
235000010627 Phaseolus vulgaris Nutrition 0.000 abstract description 27
238000010923 batch production Methods 0.000 abstract description 2
240000007154 Coffea arabica Species 0.000 description 60
244000013123 dwarf bean Species 0.000 description 11
239000002904 solvent Substances 0.000 description 10
230000000737 periodic effect Effects 0.000 description 8
235000021331 green beans Nutrition 0.000 description 7
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
239000000796 flavoring agent Substances 0.000 description 5
235000019634 flavors Nutrition 0.000 description 5
238000011084 recovery Methods 0.000 description 5
239000000284 extract Substances 0.000 description 4
239000007788 liquid Substances 0.000 description 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 2
239000003463 adsorbent Substances 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000011437 continuous method Methods 0.000 description 2
238000013461 design Methods 0.000 description 2
230000005484 gravity Effects 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
238000012856 packing Methods 0.000 description 2
238000000638 solvent extraction Methods 0.000 description 2
239000011800 void material Substances 0.000 description 2
HKVGLVBQYVEJRZ-UHFFFAOYSA-N CC=C.O=C=O Chemical compound CC=C.O=C=O HKVGLVBQYVEJRZ-UHFFFAOYSA-N 0.000 description 1
235000002187 Coffea robusta Nutrition 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
239000002250 absorbent Substances 0.000 description 1
230000002745 absorbent Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
238000009835 boiling Methods 0.000 description 1
230000005587 bubbling Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000002950 deficient Effects 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
239000002360 explosive Substances 0.000 description 1
235000013305 food Nutrition 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
150000008282 halocarbons Chemical class 0.000 description 1
239000000543 intermediate Substances 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
-1 nitrou~ oxide Chemical compound 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
239000001294 propane Substances 0.000 description 1
230000003381 solubilizing effect Effects 0.000 description 1
238000000194 supercritical-fluid extraction Methods 0.000 description 1
230000008961 swelling Effects 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

Tea And Coffee (AREA)

CA000512496A 1985-07-08 1986-06-26 Methode pour decafeiner le cafe a l'aide d'un fluide supercritique Expired - Lifetime CA1304978C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US75287985A	1985-07-08	1985-07-08
US752,879		1985-07-08

Publications (1)

Publication Number	Publication Date
CA1304978C true CA1304978C (fr)	1992-07-14

Family

ID=25028274

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000512496A Expired - Lifetime CA1304978C (fr)	1985-07-08	1986-06-26	Methode pour decafeiner le cafe a l'aide d'un fluide supercritique

Country Status (1)

Country	Link
CA (1)	CA1304978C (fr)

1986
- 1986-06-26 CA CA000512496A patent/CA1304978C/fr not_active Expired - Lifetime

Legal Events

Date	Code	Title	Description
2006-07-14	MKLA	Lapsed
2023-05-26	MKLA	Lapsed	Effective date: 20060714

Publication	Publication Date	Title
US4820537A (en)	1989-04-11	Method for decaffeinating coffee with a supercritical fluid
US4911941A (en)	1990-03-27	Method for decaffeinating coffee with a supercritical fluid
US3879569A (en)	1975-04-22	Process for the decaffeination of raw coffee
US3843824A (en)	1974-10-22	Method for the production of caffeine-free coffee extract
US4255458A (en)	1981-03-10	Method for the selective extraction of caffeine from vegetable materials
CA1132836A (fr)	1982-10-05	Methode de decafeinisation directe des extraits aqueux de cafe
CA1318812C (fr)	1993-06-08	Procede pour decafeiner les grains de cafe "vert"
US4322445A (en)	1982-03-30	Process for decaffeinating coffee
US4472442A (en)	1984-09-18	Decaffeination process
US4276315A (en)	1981-06-30	Method for decaffeinating coffee
CA1304978C (fr)	1992-07-14	Methode pour decafeiner le cafe a l'aide d'un fluide supercritique
CA2033760C (fr)	1997-07-01	Methode quasi - continue pour decafeiner le cafe brut
EP0547119B1 (fr)	1996-07-31	Traitement acide de decafeination du cafe
US5288511A (en)	1994-02-22	Supercritical carbon dioxide decaffeination of acidified coffee
PH26620A (en)	1992-08-19	Method for decaffeinating coffee with a supercritical fluid
US5266342A (en)	1993-11-30	Method for decaffeinating coffee materials including a reverse osmosis permeate recycle
CA1049318A (fr)	1979-02-27	Methode d'extraction de cafeine du cafe non torrefie
CA1177316A (fr)	1984-11-06	Procede de decafeination
US4472443A (en)	1984-09-18	Aprotic solvent decaffeination
CA1242923A (fr)	1988-10-11	Procede pour decafeiner du cafe torrefie
CA1177317A (fr)	1984-11-06	Decafeination par solvant aprotique