GB1500260A - Process and apparatus for continuous extraction of solid material - Google Patents

Process and apparatus for continuous extraction of solid material

Info

Publication number
GB1500260A
GB1500260A GB1019774A GB1019774A GB1500260A GB 1500260 A GB1500260 A GB 1500260A GB 1019774 A GB1019774 A GB 1019774A GB 1019774 A GB1019774 A GB 1019774A GB 1500260 A GB1500260 A GB 1500260A
Authority
GB
United Kingdom
Prior art keywords
discs
extract
beds
phase
extraction
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.)
Expired
Application number
GB1019774A
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.)
DEJ INT RESEARCH CO BV
Original Assignee
DEJ INT RESEARCH CO BV
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 DEJ INT RESEARCH CO BV filed Critical DEJ INT RESEARCH CO BV
Priority to GB1019774A priority Critical patent/GB1500260A/en
Priority to NL7501846A priority patent/NL7501846A/en
Priority to DE19752508422 priority patent/DE2508422A1/en
Priority to SE7502417A priority patent/SE7502417L/xx
Priority to BE154089A priority patent/BE826387A/en
Priority to FR7506983A priority patent/FR2263016B3/fr
Publication of GB1500260A publication Critical patent/GB1500260A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B30/00—Crystallisation; Crystallising apparatus; Separating crystals from mother liquors ; Evaporating or boiling sugar juice
    • C13B30/04—Separating crystals from mother liquor
    • C13B30/08—Washing residual mother liquor from crystals
    • 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
    • A23F5/26—Extraction of water-soluble constituents
    • A23F5/265—Extraction of water-soluble constituents the solid substances are transported through the apparatus during the extraction cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

1500260 Making extracts from solids D E J INTERNATIONAL RESEARCH CO BV 4 March 1975 [7 March 1974] 10197/74 Heading B1Q A continuous process for the countercurrent extraction of particulate material comprises serially spacing the material in an extraction apparatus and causing the portions to progress simultaneously through the apparatus in a series of steps, each step for each portion comprising the following phases: (a) a packaging phase in which the portion is formed into a packed bed; (b) an extraction phase in which liquid is passed through the bed for a predetermined period; (c) a phase in which at least part of the packed bed is broken up; and (d) a phase in which the material of the broken up bed is moved over a predetermined distance nearer to the outlet to be repacked as in (a). In Fig. 1A showing the beginning of the cycle, packed beds 15 of particles rest on perforated discs 14 attached to shaft 13 and provided with radial slots and scraper knives. Between the beds are layers of extract 16. The shaft is rotated to move downwards so that the extract layers 16 move to above the discs (B). On further downward movement, the beds are peeled by the knives and the peeled off particles are deposited on top of the discs where they mix with the extract (C). The shaft is then raised without rotation, the extract compresses the beds and is forced through the discs, new extract layers being formed under the discs (D and E). Examples and other drawings illustrate the process applied to the extraction of coffee and the separation and washing of ice from a slurry of ice and saccharose solution.
GB1019774A 1974-03-07 1974-03-07 Process and apparatus for continuous extraction of solid material Expired GB1500260A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1019774A GB1500260A (en) 1974-03-07 1974-03-07 Process and apparatus for continuous extraction of solid material
NL7501846A NL7501846A (en) 1974-03-07 1975-02-17 METHOD AND STRUCTURE FOR THE CONTINUOUS COUNTER-CURRENT EXTRACTION OF GRAINY MATERIAL.
DE19752508422 DE2508422A1 (en) 1974-03-07 1975-02-27 PROCESS AND DEVICE FOR CONTINUOUS COUNTER-CURRENT EXTRACTION OF GRAINY MATERIAL
SE7502417A SE7502417L (en) 1974-03-07 1975-03-04
BE154089A BE826387A (en) 1974-03-07 1975-03-06 METHOD AND STRUCTURE FOR THE CONTINUOUS COUNTERFLOW EXTRACTION OF GRAIN FORMING MATERIAL
FR7506983A FR2263016B3 (en) 1974-03-07 1975-03-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1019774A GB1500260A (en) 1974-03-07 1974-03-07 Process and apparatus for continuous extraction of solid material

Publications (1)

Publication Number Publication Date
GB1500260A true GB1500260A (en) 1978-02-08

Family

ID=9963353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1019774A Expired GB1500260A (en) 1974-03-07 1974-03-07 Process and apparatus for continuous extraction of solid material

Country Status (6)

Country Link
BE (1) BE826387A (en)
DE (1) DE2508422A1 (en)
FR (1) FR2263016B3 (en)
GB (1) GB1500260A (en)
NL (1) NL7501846A (en)
SE (1) SE7502417L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6165536A (en) * 1997-11-03 2000-12-26 Nestec S.A. Extraction product and process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE101971T1 (en) * 1990-01-25 1994-03-15 Gen Foods Inc PROCESS FOR THE EXTRACTION OF ROAST AND GROUND COFFEE BEANS.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6165536A (en) * 1997-11-03 2000-12-26 Nestec S.A. Extraction product and process

Also Published As

Publication number Publication date
DE2508422A1 (en) 1975-09-11
SE7502417L (en) 1975-09-08
NL7501846A (en) 1975-09-09
FR2263016B3 (en) 1977-11-10
FR2263016A1 (en) 1975-10-03
BE826387A (en) 1975-09-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee