WO2014032134A1 - Préparation de sucre concentré utilisée en tant qu'agent de réduction de colorants soufrés - Google Patents

Préparation de sucre concentré utilisée en tant qu'agent de réduction de colorants soufrés Download PDF

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Publication number
WO2014032134A1
WO2014032134A1 PCT/BR2012/000327 BR2012000327W WO2014032134A1 WO 2014032134 A1 WO2014032134 A1 WO 2014032134A1 BR 2012000327 W BR2012000327 W BR 2012000327W WO 2014032134 A1 WO2014032134 A1 WO 2014032134A1
Authority
WO
WIPO (PCT)
Prior art keywords
reducing agent
sugar
containing solution
raffinate
reducing
Prior art date
Application number
PCT/BR2012/000327
Other languages
English (en)
Inventor
Helio Haruo USHIJIMA
Silvana MARQUEZ
Original Assignee
Cargill, Incorporated
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 Cargill, Incorporated filed Critical Cargill, Incorporated
Priority to PCT/BR2012/000327 priority Critical patent/WO2014032134A1/fr
Priority to BR112015004395A priority patent/BR112015004395A2/pt
Priority to ARP130103094A priority patent/AR092395A1/es
Publication of WO2014032134A1 publication Critical patent/WO2014032134A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/30—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using sulfur dyes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/651—Compounds without nitrogen
    • D06P1/65106—Oxygen-containing compounds
    • D06P1/65118—Compounds containing hydroxyl groups

Definitions

  • the present invention generally concerns a concentrated sugar preparation comprising (a) raffinate derived from the citric acid recovery industry and (b) a sugar-containing solution useful as reduction agent for sulfur dyes.
  • Dyes are natural or synthetic substances that appear to be colored because they absorb certain wavelengths of light more than others.
  • Sulfur dyes are the most commonly dyes used for textiles (mainly cotton) as dark colors such as black, brows, or dark blue.
  • sulfur dyes are absorbed by fabrics from a bath containing sodium sulfide or sodium hydrosulfite during the reduction step (for instance GB 2,201,165, Sandoz AG, 1988) .
  • Such a reduction agent according to the present invention comprises (a) raffinate and (b) sugar-containing solution .
  • the raffinate (a) is an aqueous solution effluent (for instance syrup or liquor) from fermentation processes (residuary or not) .
  • Raffinate (a) is an aqueous solution comprising at least citric acid, inorganic matter (such as minerals), proteic matter and sugar matter.
  • sugar matter typically includes carbohydrate selected from fructose, dextrose, maltose and/or polyol selected from arabitol, erythritol, or mixtures thereof.
  • the inorganic matter is measured by analyzing ashes and typically includes nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, iron, manganese, copper, zinc, boron, sodium or mixtures thereof.
  • raffinate (a) is a by-product derived from the citric acid recovery process, for instance as disclosed in the patent US 4,994,609, assigned to Cargill Inc. (1991), incorporated herein as reference.
  • the raffinate (a) ingredients ratio depends on the performance of the recovery industry.
  • One advantage of this invention resides in the fact that a by-product without commercial application is used as raw material for the manufacture of a commercial product, also avoiding the cost with waste disposal treatment.
  • the sugar-containing solution (b) may be obtained from several sources, for instance corn, sugar cane, cassava, potato, wheat, rice, etc.
  • a solution may be syrup, i.e. a viscous liquid with sugar content.
  • Such a component also includes enzymatic or acid conversion syrup, independently from the conversion grade.
  • Sugar is selected from carbohydrates or saccharides in general, including monosaccharides, disaccharides, oligosaccharides, polysaccharides; or mixture thereof.
  • the solution (b) comprises monosaccharide such as glucose (dextrose), fructose (levulose) , galactose, xylose or ribose; disaccharides such as sucrose, maltose or lactose; oligosaccharides such as raffinose or stachyose; polysaccharides such as or starch, amylose, amylopectin, cellulose, chitin; hydrolysates (for instance inverted sugar), derivatives or mixtures thereof.
  • monosaccharide such as glucose (dextrose), fructose (levulose) , galactose, xylose or ribose
  • disaccharides such as sucrose, maltose or lactose
  • oligosaccharides such as
  • the sugar- containing solution (b) may be a viscous concentrated solution of sugar, in water or other liquids (for instance alcohols) .
  • a solution may also include other ingredients such as coloring agents, flavors or thickening agents .
  • component (b) contains about 40% equivalent dextrose in relation to about 80% total solids.
  • dextrose for instance, such an ingredient is commercialized as Glucogill 40/82 by the Cargill group in Brazil .
  • the concentrated sugar preparation comprises:
  • the present invention also concerns a process for manufacturing a reducing agent comprising the following steps of:
  • Viscosity a minimum of about 500 and a maximum of about 2, 500 cP (at 25°C) .
  • the % Brix is analyzed by a refractometer .
  • the viscosity is measured by cooling the sample at 25 °C and 20 rpm in a Brookfield viscometer DV I.
  • efficient reduction agent an agent that is able to increase the redox potential and maintain it after the addition of electrolytes necessary to the conclusion of the dyeing process, i.e. comparable to the traditional sulfide reducing agents.
  • the concentrated sugar additive according to the present invention may also comprise other ingredients well known in the art, such as fragrances, surfactants, biocides, pH adjusters, thickeners, etc.
  • the present invention also concerns the use of the preparation as described above as reduction agent for sulfur dyes and a method for reducing sulfur dyes during the dyeing process that comprises applying a reducing amount of a preparation as described above.
  • a raffinate sample was obtained from the citric acid recovery process disclosed in the patent US 4,994,609, assigned to Cargill Inc. (1991) .
  • the analyzed sample also contains solids (15%) and trace ingredients ( ⁇ 100ppm) .
  • a sample of the reducing agent was prepared by:
  • step (b) mixing 5 kg of the raffinate obtained in the step (a) with 5 kg of glucose syrup, commercialized as Glucogill 40/82, until complete homogenization.
  • the redox potential is a fundamental factor to keep the sulfur dye in the soluble state during the dyeing process. Therefore, the smaller the difference between the initial and final redox, better the efficiency of the reduction agent.
  • the reducing agents were evaluated in view of their capability for increasing and maintaining redox value after addition of electrolyte.
  • the moisture content of each product was discounted to calculate the amount to be applied.
  • glucose syrup 63DE had the best performance.
  • Sample 1 with controlled viscosity presents a ⁇ redox more than 2 times better than traditional glucose.

Abstract

De manière générale, la présente invention concerne une préparation de sucre concentré comprenant (a) un raffinat provenant de l'industrie de récupération d'acide citrique et (b) une solution contenant du sucre utile en tant qu'agent de réduction pour colorants soufrés.
PCT/BR2012/000327 2012-08-30 2012-08-30 Préparation de sucre concentré utilisée en tant qu'agent de réduction de colorants soufrés WO2014032134A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/BR2012/000327 WO2014032134A1 (fr) 2012-08-30 2012-08-30 Préparation de sucre concentré utilisée en tant qu'agent de réduction de colorants soufrés
BR112015004395A BR112015004395A2 (pt) 2012-08-30 2012-08-30 agente redutor para corantes de enxofre, processo para fabricar o agente redutor, uso do agente, método para reduzir os corantes de enxofre e método para tingir tecidos
ARP130103094A AR092395A1 (es) 2012-08-30 2013-08-30 Preparacion de azucar concentrada como agente reductor para tintes de azufre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2012/000327 WO2014032134A1 (fr) 2012-08-30 2012-08-30 Préparation de sucre concentré utilisée en tant qu'agent de réduction de colorants soufrés

Publications (1)

Publication Number Publication Date
WO2014032134A1 true WO2014032134A1 (fr) 2014-03-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2012/000327 WO2014032134A1 (fr) 2012-08-30 2012-08-30 Préparation de sucre concentré utilisée en tant qu'agent de réduction de colorants soufrés

Country Status (3)

Country Link
AR (1) AR092395A1 (fr)
BR (1) BR112015004395A2 (fr)
WO (1) WO2014032134A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201165A (en) 1987-02-16 1988-08-24 Sandoz Ltd Leuco sulphur dye compositions with reduced content of inorganic sulphide
GB2222834A (en) * 1988-08-31 1990-03-21 Sandoz Ltd Dyeing cellulosic fibres with sulfur dyes in conjunction with a reducing sugar
US4994609A (en) 1990-06-06 1991-02-19 Innova S.A. Production of citric acid
DE4115452A1 (de) 1991-05-11 1992-11-12 Basf Ag Verfahren zum kontinuierlichen faerben von cellulosehaltigem textilmaterial mit kuepenfarbstoffen
US5244549A (en) 1989-06-01 1993-09-14 Verein Zur Forderung Der Forschung Und Entwicklung In Der Textilwirtschaft Process for the reduction of dyes
EP0699797A2 (fr) 1994-09-01 1996-03-06 Sandoz Ltd. Procédé de teinture par épuisement pour des colorants au soufre
US5586992A (en) 1993-03-30 1996-12-24 Basf Aktiengesellschaft Dyeing cellulose-containing textile material with hydrogenated indigo
US6093221A (en) 1996-12-07 2000-07-25 Sudzucker Aktiengesellschaft Process for reducing sulfur and vat dyes
WO2009051569A2 (fr) 2007-10-18 2009-04-23 Univerza V Mariboru Fakulteta Za Strojnistvo Procédé de teinture de matériaux textiles à base de cellulose et de polyamide faisant appel à de l'indigo réduit par des enzymes
EP2228420A1 (fr) * 2009-03-09 2010-09-15 Japan Corn Starch Co., Ltd. Additif pour la prévention de diffusion de poussière dans l'eau

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201165A (en) 1987-02-16 1988-08-24 Sandoz Ltd Leuco sulphur dye compositions with reduced content of inorganic sulphide
GB2222834A (en) * 1988-08-31 1990-03-21 Sandoz Ltd Dyeing cellulosic fibres with sulfur dyes in conjunction with a reducing sugar
US5244549A (en) 1989-06-01 1993-09-14 Verein Zur Forderung Der Forschung Und Entwicklung In Der Textilwirtschaft Process for the reduction of dyes
US4994609A (en) 1990-06-06 1991-02-19 Innova S.A. Production of citric acid
DE4115452A1 (de) 1991-05-11 1992-11-12 Basf Ag Verfahren zum kontinuierlichen faerben von cellulosehaltigem textilmaterial mit kuepenfarbstoffen
US5586992A (en) 1993-03-30 1996-12-24 Basf Aktiengesellschaft Dyeing cellulose-containing textile material with hydrogenated indigo
EP0699797A2 (fr) 1994-09-01 1996-03-06 Sandoz Ltd. Procédé de teinture par épuisement pour des colorants au soufre
US6093221A (en) 1996-12-07 2000-07-25 Sudzucker Aktiengesellschaft Process for reducing sulfur and vat dyes
WO2009051569A2 (fr) 2007-10-18 2009-04-23 Univerza V Mariboru Fakulteta Za Strojnistvo Procédé de teinture de matériaux textiles à base de cellulose et de polyamide faisant appel à de l'indigo réduit par des enzymes
EP2228420A1 (fr) * 2009-03-09 2010-09-15 Japan Corn Starch Co., Ltd. Additif pour la prévention de diffusion de poussière dans l'eau

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
MAGDALENA NUNEZ: "New developments in electrochemistry research", SCIENCE, 2005
VEREIN ZUR FORDERUNG DER FORSCHUNG UND ENTWICKLUNG IN DER TEXTILWIRTSCHAFT, 1993
VUOREMA ET AL.: "Anthraquinone catalysis in the glucose-driven reduction of indigo to leuco-indigo", PHYS. CHEM. CHEM. PHYS., vol. 11, 2009, pages 1816 - 1824
VUORERNA ET AL.: "Electrochemical and sonoelectrochemical monitoring of indigo reduction by glucose", DYES AND PIGMENTS, vol. 76, no. 2, 2008, pages 542 - 549

Also Published As

Publication number Publication date
BR112015004395A2 (pt) 2016-02-16
AR092395A1 (es) 2015-04-22

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