FI125891B - Förfarande för behandling av cellulosa och alkalilösningar som erhållits från behandling av cellulosa - Google Patents

Förfarande för behandling av cellulosa och alkalilösningar som erhållits från behandling av cellulosa Download PDF

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Publication number
FI125891B
FI125891B FI20145722A FI20145722A FI125891B FI 125891 B FI125891 B FI 125891B FI 20145722 A FI20145722 A FI 20145722A FI 20145722 A FI20145722 A FI 20145722A FI 125891 B FI125891 B FI 125891B
Authority
FI
Finland
Prior art keywords
pulp
cellulose
naoh
hemicellulose
solution
Prior art date
Application number
FI20145722A
Other languages
English (en)
Finnish (fi)
Inventor
Panu Tikka
Heikki Hassi
Original Assignee
Scitech Service Oy
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 Scitech Service Oy filed Critical Scitech Service Oy
Priority to FI20145722A priority Critical patent/FI125891B/sv
Priority to PCT/FI2015/050527 priority patent/WO2016024047A1/en
Priority to CN201580043616.XA priority patent/CN106687644B/zh
Application granted granted Critical
Publication of FI125891B publication Critical patent/FI125891B/sv

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
FI20145722A 2014-08-14 2014-08-14 Förfarande för behandling av cellulosa och alkalilösningar som erhållits från behandling av cellulosa FI125891B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20145722A FI125891B (sv) 2014-08-14 2014-08-14 Förfarande för behandling av cellulosa och alkalilösningar som erhållits från behandling av cellulosa
PCT/FI2015/050527 WO2016024047A1 (en) 2014-08-14 2015-08-14 Method for treating cellulose and alkali solutions obtained from the treatment of cellulose
CN201580043616.XA CN106687644B (zh) 2014-08-14 2015-08-14 用于处理纤维素的方法和自处理纤维素得到的碱溶液

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145722 2014-08-14
FI20145722A FI125891B (sv) 2014-08-14 2014-08-14 Förfarande för behandling av cellulosa och alkalilösningar som erhållits från behandling av cellulosa

Publications (1)

Publication Number Publication Date
FI125891B true FI125891B (sv) 2016-03-31

Family

ID=55303906

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20145722A FI125891B (sv) 2014-08-14 2014-08-14 Förfarande för behandling av cellulosa och alkalilösningar som erhållits från behandling av cellulosa

Country Status (3)

Country Link
CN (1) CN106687644B (sv)
FI (1) FI125891B (sv)
WO (1) WO2016024047A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10793984B2 (en) 2016-08-04 2020-10-06 Pvh Corporation Non-iron fabrics and garments, and a method of finishing the same
WO2019237149A1 (en) * 2018-06-11 2019-12-19 The University Of Queensland Materials containing cellulose nanofibers
CN110790359A (zh) * 2019-10-28 2020-02-14 井冈山大学 一种采用纳米金催化剂处理碱性造纸废水的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE314581B (sv) * 1968-10-29 1969-09-08 Mo Och Domsjoe Ab
US3843473A (en) * 1971-08-23 1974-10-22 Mo Och Domsjoe Ab Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
FI49438C (fi) * 1973-07-23 1980-12-23 Keskuslaboratorio Foerfarande foer avlaegsnande av hemicellulosa ur hemicellulosahaltiga alkaliloesningar i processcirkulation
CH686682A5 (de) * 1992-05-05 1996-05-31 Granit Sa Herstellung von Zellstoff nach dem S.A.P.-Verfahren.
FI123086B (sv) * 2011-02-28 2012-10-31 Aalto Korkeakoulusaeaetioe Förfarande för tillvaratagande av kemikalier

Also Published As

Publication number Publication date
CN106687644A (zh) 2017-05-17
CN106687644B (zh) 2019-03-19
WO2016024047A1 (en) 2016-02-18

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