EP0092466B2 - Verfahren zur Extraktion von Rübensaft - Google Patents

Verfahren zur Extraktion von Rübensaft Download PDF

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Publication number
EP0092466B2
EP0092466B2 EP83400727A EP83400727A EP0092466B2 EP 0092466 B2 EP0092466 B2 EP 0092466B2 EP 83400727 A EP83400727 A EP 83400727A EP 83400727 A EP83400727 A EP 83400727A EP 0092466 B2 EP0092466 B2 EP 0092466B2
Authority
EP
European Patent Office
Prior art keywords
juice
diffusion
calcium
cossettes
treatment
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 - Lifetime
Application number
EP83400727A
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English (en)
French (fr)
Other versions
EP0092466B1 (de
EP0092466A1 (de
Inventor
Jacques Ponant
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.)
Union Nationale Des Cooperatives Agricoles De Tran
Original Assignee
UNION NATIONALE DES COOPERATIV
Union Nationale des Cooperatives Agricoles de Transformation Be
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
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Application filed by UNION NATIONALE DES COOPERATIV, Union Nationale des Cooperatives Agricoles de Transformation Be filed Critical UNION NATIONALE DES COOPERATIV
Priority to AT83400727T priority Critical patent/ATE20762T1/de
Publication of EP0092466A1 publication Critical patent/EP0092466A1/de
Application granted granted Critical
Publication of EP0092466B1 publication Critical patent/EP0092466B1/de
Publication of EP0092466B2 publication Critical patent/EP0092466B2/de
Anticipated expiration legal-status Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B10/00—Production of sugar juices
    • C13B10/003—Production of sugar juices using chemicals other than extracting agents
    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B10/00—Production of sugar juices
    • C13B10/08—Extraction of sugar from sugar beet with water
    • C13B10/083—Treatment of sugar beet before extraction

Definitions

  • the present invention relates to a process for extracting beet juice, in particular by diffusion.
  • Pectic substances are linear polymers of galacturonic acid. Part of the carboxyl groups is methylated, part of the hydroxyl groups is acetylated.
  • pectic materials are treated with lime, there are two reactions, first hydrolysis of the esters with formation of methanol and acetate, then degradation of the glycosidic bonds with decomposition of the polymer.
  • the second type of reaction is favored.
  • the temperature drops it is the first reaction which predominates and an insoluble calcium pectact is obtained.
  • the prior art therefore consisted either in treating the beet chips with lime, generally in the form of milk, or in adding lime to the water used for extraction by diffusion.
  • the present invention aims to allow an improvement in the fixation of calcium ions on the galacturonic chains of the beet cut into pods, prior to the extraction operation, in particular by diffusion, without destroying the glycosidic bonds.
  • the subject of the present invention is a process for extracting beet juice, by diffusion, of the type comprising a prior treatment of the beets cut into chips with calcium ions, characterized in that said preliminary treatment is carried out by treating the cossettes with an aqueous solution of calcium saccharate obtained by adding quicklime to a diffusion juice at a temperature below 15 ° C.
  • the reaction can, in practice, be carried out between a temperature of 0 ° and a temperature below 15 ° C. Beyond that, there is a risk of breaking down the calcium saccharate.
  • the aqueous calcium saccharate solution advantageously contains from 1 to 15% by weight of calcium saccharate.
  • the single figure is a diagram of an installation for implementing the method according to the present invention.
  • the installation shown schematically in the single figure comprises a processing device A.
  • the beets cut into pods enter 1 in this device, for example perclotation, which receives in 11 a saccharated juice at a temperature below 15 ° C.
  • the pods After reaction and fixing of the calcium, the pods exit in 2 and are reheated in a heat exchanger B, for example percolation, by means of diffusion juice at 70 ° C. entering in 6.
  • the pods which exit in 3 from the exchanger B are sent to a scalder C which receives in 4 a scalding juice (diffusion juice taken in the process and previously reheated).
  • the juice-pod mixture heated to 70 ° C. leaves at 5 from the scalder C and is sent to a diffusion extraction apparatus, not shown, where the diffusion takes place for 50 to 80 min.
  • the pulps leaving the diffusion extraction apparatus undergo conventional pressing, for example by means of screw presses, bringing the dry matter content of pulps to more than 40%.
  • a part of the juice withdrawn at 7 from the exchanger B is brought at 8 to a heat exchanger D , where this juice is cooled to 4 ° C. by means of ice water entering at 15 and leaving at 16.
  • the cooled juice leaving at 9 from the exchanger D is introduced into a reactor E into which is also introduced at 10 quicklime powder.
  • the reaction time is approximately 10 min.
  • the saccharated juice which leaves at 11 is sent to the apparatus A as indicated above.
  • the juice leaving at 12 from the treatment apparatus A and the rest of the juice, discharged at 13, which is not withdrawn from the exchanger B for the preparation of the saccharated juice are combined at 14 and recovered.
  • the method according to the invention makes it possible to improve the purity of the extraction juices, to reduce the extraction time (of the order of 20%) and to improve the filterability of the juices.
  • the method according to the invention also makes it possible to improve the conditions for pressing spent pulp, thanks to the more rigid texture imparted by the fixation of calcium ions.
  • the method according to the invention therefore makes it possible to achieve very significant energy savings.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Non-Alcoholic Beverages (AREA)

Claims (1)

  1. Verfahren zur Extraktion von Rübensaft durch Diffusion eines Typs, umfassend eine Vorhergehende Behandlung der zu Schnitzeln geschnittenen Rüben mit Calcium-Ionen, dadurch gekennzeichnet, daß die vorherige Behandlung durch Behandeln der Schnitzel mit einer wäßrigen Lösung von Calciumsaccharat vorgenommen wird, erhalten durch Zugabe von gebranntem Kalk zum Diffusionssaft bei einer Temperatur von unter 15°C.
EP83400727A 1982-04-16 1983-04-12 Verfahren zur Extraktion von Rübensaft Expired - Lifetime EP0092466B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83400727T ATE20762T1 (de) 1982-04-16 1983-04-12 Verfahren zur extraktion von ruebensaft.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8206586 1982-04-16
FR8206586A FR2525235B1 (fr) 1982-04-16 1982-04-16 Procede d'extraction du jus de betteraves

Publications (3)

Publication Number Publication Date
EP0092466A1 EP0092466A1 (de) 1983-10-26
EP0092466B1 EP0092466B1 (de) 1986-07-16
EP0092466B2 true EP0092466B2 (de) 1993-12-01

Family

ID=9273086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83400727A Expired - Lifetime EP0092466B2 (de) 1982-04-16 1983-04-12 Verfahren zur Extraktion von Rübensaft

Country Status (4)

Country Link
EP (1) EP0092466B2 (de)
AT (1) ATE20762T1 (de)
DE (1) DE3364493D1 (de)
FR (1) FR2525235B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587723B1 (fr) * 1985-09-25 1987-11-27 Fives Cail Babcock Procede d'extraction par diffusion du sucre de betteraves
FR2639359B1 (fr) * 1988-11-18 1991-02-01 Fives Cail Babcock Perfectionnements a l'extraction par diffusion du sucre de betteraves
FR2641286B2 (fr) * 1988-11-18 1991-12-13 Fives Cail Babcock Perfectionnements a l'extraction par diffusion du sucre de betteraves
FR2657357B1 (fr) * 1990-01-24 1992-04-17 Dambrine Francis Procede et appareil pour le traitement preliminaire des cossettes de betteraves avant diffusion.
FR2672302B1 (fr) * 1991-01-31 1994-08-05 Dambrine Francis Procede perfectionne de traitement preliminaire des cossettes avant diffusion.
DE10262073B4 (de) 2002-12-18 2007-12-20 Südzucker AG Mannheim/Ochsenfurt Gewinnung von Inhaltsstoffen aus Zichorie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE515234A (de) *
GB363476A (en) * 1930-11-12 1931-12-24 Yoshio Inada Method of manufacturing white sugar directly from cane sugar juice
FR895534A (fr) * 1942-10-03 1945-01-26 Procédé pour le traitement des betteraves pour l'extraction du sucre
DE817880C (de) * 1948-10-02 1951-10-22 Henning Von Raven Verfahren zur gleichzeitigen Gewinnung und Reinigung von Zuckersaft aus Zuckerrueben

Also Published As

Publication number Publication date
FR2525235B1 (fr) 1985-08-23
DE3364493D1 (en) 1986-08-21
EP0092466B1 (de) 1986-07-16
ATE20762T1 (de) 1986-08-15
EP0092466A1 (de) 1983-10-26
FR2525235A1 (fr) 1983-10-21

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