ES2002755A6 - Un procedimiento de alto rendimiento para producir pasta papelera de material lignocelulosico en forma de astillas - Google Patents

Un procedimiento de alto rendimiento para producir pasta papelera de material lignocelulosico en forma de astillas

Info

Publication number
ES2002755A6
ES2002755A6 ES8602010A ES8602010A ES2002755A6 ES 2002755 A6 ES2002755 A6 ES 2002755A6 ES 8602010 A ES8602010 A ES 8602010A ES 8602010 A ES8602010 A ES 8602010A ES 2002755 A6 ES2002755 A6 ES 2002755A6
Authority
ES
Spain
Prior art keywords
stabilizers
pulp
refining
peroxide prior
mechanical refining
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
ES8602010A
Other languages
English (en)
Inventor
Victor M Gentile
Harry D Wilder
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.)
Kimberly Clark Tissue Co
Original Assignee
Scott Paper Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25113415&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2002755(A6) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Scott Paper Co filed Critical Scott Paper Co
Publication of ES2002755A6 publication Critical patent/ES2002755A6/es
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

UN PROCEDIMIENTO DE ALTO RENDIMIENTO PARA PRODUCIR PASTA PAPELERA DE MATERIAL LIGNOCELULOSICO EN FORMA DE ASTILLAS, EN EL QUE SE IMPREGNAN ASTILLAS CON UNA PRIMERA DISOLUCION QUE CONTIENE ESTABILIZADORES QUIMICOS PARA PEROXIDO, EN CONDICIONES DE PH, TEMPERATURA Y CONCENTRACION BAJO LAS CUALES DICHOS ESTABILIZADORES SON SOLUBLES EN DICHA DISOLUCION, SE IMPREGNAN LAS ASTILLAS CON UNA SEGUNDA DISOLUCION QUE TAMBIEN CONTIENE ESTABILIZADORES QUIMICOS PARA PEROXIDO, EN CONDICIONES DE PH, TEMPERATURA Y CONCENTRACION BAJO LAS CUALES DICHOS ESTABILIZADORES SON SOLUBLES EN DICHA SEGUNDA DISOLUCION Y, AL MEZCLARSE LAS DOS DISOLUCIONES CITADAS DENTRO DE LAS ASTILLAS, UNO O MAS DE LOS ESTABILIZADORES QUIMICOS PRECIPITA O FLOCULA ESTABILIZANDO EL PEROXIDO DENTRO DE LAS ASTILLAS, SE IMPREGNAN LAS ASTILLAS CON UNA TERCERA DISOLUCION QUE CONTIENE PEROXIDO ALCALINO, Y SE REFINEN MECANICAMENTE LAS ASTILLAS IMPREGNADAS PRODUCIENDO DICHA PASTA. EL INVENTO ES ESPECIALMENTE UTIL PARA OBTENER PASTA DE MADERAS BLANDAS Y DURAS, BAGAZO, PAJA Y MATERIALES SEMEJANTES.
ES8602010A 1985-09-20 1986-09-19 Un procedimiento de alto rendimiento para producir pasta papelera de material lignocelulosico en forma de astillas Expired ES2002755A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77845785A 1985-09-20 1985-09-20

Publications (1)

Publication Number Publication Date
ES2002755A6 true ES2002755A6 (es) 1988-10-01

Family

ID=25113415

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8602010A Expired ES2002755A6 (es) 1985-09-20 1986-09-19 Un procedimiento de alto rendimiento para producir pasta papelera de material lignocelulosico en forma de astillas

Country Status (10)

Country Link
EP (1) EP0239583B2 (es)
AR (1) AR243622A1 (es)
AU (3) AU605745B2 (es)
BR (1) BR8606875A (es)
CA (1) CA1274657A (es)
DE (1) DE3676490D1 (es)
ES (1) ES2002755A6 (es)
MX (1) MX174399B (es)
PT (1) PT83406B (es)
WO (1) WO1987001746A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458690B (sv) * 1986-11-06 1989-04-24 Sunds Defibrator Saett att framstaella mekanisk massa fraan lignocellulosahaltigt material i styckeform med en laengd i fiberriktningen av minst 200 mm
CA2057231A1 (en) * 1991-01-07 1992-07-08 Ulrike Tschirner Method of pretreating lignocellulosic materials prior to alkaline peroxide high yield pulping
FR2672315B1 (fr) * 1991-01-31 1996-06-07 Hoechst France Nouveau procede de raffinage de la pate a papier.
AU2006321020B2 (en) * 2005-12-02 2011-02-10 Akzo Nobel Chemicals International B.V. Process of producing high-yield pulp
US8268122B2 (en) 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp
US9273270B2 (en) 2014-02-20 2016-03-01 Church & Dwight Co., Inc. Unit dose cleaning products for delivering a peroxide-containing bleaching agent

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE496197C (de) * 1928-05-15 1930-04-17 Carl G Schwalbe Dr Verfahren zur Herstellung von Zellstoff aus verholzten Fasern
CA895757A (en) * 1970-04-03 1972-03-21 E. Worster Hans Single-stage soda-oxygen pulping
US4187141A (en) * 1975-02-24 1980-02-05 Alf Societe Anonyme Method of producing bleached mechanical pulp
SE436368B (sv) * 1979-01-12 1984-12-03 Sunds Defibrator Sett att framstella blekta, mekaniska, kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial
JPS63402A (ja) * 1986-06-18 1988-01-05 Toyota Motor Corp 焼結鍛造用原料粉末およびその粉末を使用した焼結鍛造法

Also Published As

Publication number Publication date
AU6658290A (en) 1991-01-31
AU6225386A (en) 1987-04-07
MX174399B (es) 1994-05-13
CA1274657A (en) 1990-10-02
PT83406B (pt) 1989-05-12
AU3984493A (en) 1993-08-19
AR243622A1 (es) 1993-08-31
PT83406A (en) 1986-10-01
WO1987001746A1 (en) 1987-03-26
DE3676490D1 (de) 1991-02-07
EP0239583A4 (en) 1988-03-22
EP0239583B1 (en) 1991-01-02
BR8606875A (pt) 1987-11-03
EP0239583B2 (en) 1994-01-12
AU663781B2 (en) 1995-10-19
EP0239583A1 (en) 1987-10-07
AU605745B2 (en) 1991-01-24

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2006-09-19

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