FI77062C - Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial. - Google Patents

Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial. Download PDF

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Publication number
FI77062C
FI77062C FI865360A FI865360A FI77062C FI 77062 C FI77062 C FI 77062C FI 865360 A FI865360 A FI 865360A FI 865360 A FI865360 A FI 865360A FI 77062 C FI77062 C FI 77062C
Authority
FI
Finland
Prior art keywords
phenol
stage
washing
solution
boiling
Prior art date
Application number
FI865360A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI77062B (fi
FI865360A0 (fi
FI865360A (fi
Inventor
Kurt Ekman
Original Assignee
Neste 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 Neste Oy filed Critical Neste Oy
Publication of FI865360A0 publication Critical patent/FI865360A0/fi
Priority to FI865360A priority Critical patent/FI77062C/fi
Priority to ZA879483A priority patent/ZA879483B/xx
Priority to NO875428A priority patent/NO163747C/no
Priority to EP87311493A priority patent/EP0273759B1/en
Priority to JP62336802A priority patent/JPS63175188A/ja
Priority to DE8787311493T priority patent/DE3772741D1/de
Priority to AT87311493T priority patent/ATE66974T1/de
Priority to BR8707183A priority patent/BR8707183A/pt
Priority to CA000555716A priority patent/CA1281714C/en
Publication of FI865360A publication Critical patent/FI865360A/fi
Publication of FI77062B publication Critical patent/FI77062B/fi
Application granted granted Critical
Publication of FI77062C publication Critical patent/FI77062C/fi

Links

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
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Pens And Brushes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Medicines Containing Plant Substances (AREA)
FI865360A 1986-12-31 1986-12-31 Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial. FI77062C (fi)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI865360A FI77062C (fi) 1986-12-31 1986-12-31 Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial.
ZA879483A ZA879483B (en) 1986-12-31 1987-12-17 Procedure for recirculating phenol in a lignocellulosic materials digestion process
NO875428A NO163747C (no) 1986-12-31 1987-12-23 Fremgangsmaate for resirkulering av fenol i en kokeprosessfor lignocelluloseholdige materialer.
JP62336802A JPS63175188A (ja) 1986-12-31 1987-12-29 リグノセルロース物質蒸解工程におけるフェノールの再循環方法
EP87311493A EP0273759B1 (en) 1986-12-31 1987-12-29 Procedure for recirculating phenol in a lignocellulosic materials digestion process
DE8787311493T DE3772741D1 (de) 1986-12-31 1987-12-29 Verfahren zum wiederumlauf von phenol in einem verfahren zum aufschluss von lignozellulosematerialien.
AT87311493T ATE66974T1 (de) 1986-12-31 1987-12-29 Verfahren zum wiederumlauf von phenol in einem verfahren zum aufschluss von lignozellulosematerialien.
BR8707183A BR8707183A (pt) 1986-12-31 1987-12-30 Processo para recirculacao de fenol em um processo de digestao de materiais lignocelulosicos
CA000555716A CA1281714C (en) 1986-12-31 1987-12-31 Procedure for recirculating phenol in a lignocellulosic materials digestion process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI865360A FI77062C (fi) 1986-12-31 1986-12-31 Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial.
FI865360 1986-12-31

Publications (4)

Publication Number Publication Date
FI865360A0 FI865360A0 (fi) 1986-12-31
FI865360A FI865360A (fi) 1988-07-01
FI77062B FI77062B (fi) 1988-09-30
FI77062C true FI77062C (fi) 1989-01-10

Family

ID=8523726

Family Applications (1)

Application Number Title Priority Date Filing Date
FI865360A FI77062C (fi) 1986-12-31 1986-12-31 Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial.

Country Status (9)

Country Link
EP (1) EP0273759B1 (no)
JP (1) JPS63175188A (no)
AT (1) ATE66974T1 (no)
BR (1) BR8707183A (no)
CA (1) CA1281714C (no)
DE (1) DE3772741D1 (no)
FI (1) FI77062C (no)
NO (1) NO163747C (no)
ZA (1) ZA879483B (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856582C1 (de) * 1998-12-08 2001-03-15 Rhodia Acetow Ag Verfahren zur Gewinnung von Chemiezellstoff aus Hackschnitzeln
JP3393130B2 (ja) 2000-04-12 2003-04-07 有限会社一柳 ラッピング用飾りリボン造形・取付具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1210209A (fr) * 1981-12-10 1986-08-26 Herve Tournier Procede pour delignifier le bois et autres produits lignocellulosiques

Also Published As

Publication number Publication date
ZA879483B (en) 1988-05-14
DE3772741D1 (de) 1991-10-10
NO163747C (no) 1990-07-11
NO875428L (no) 1988-07-01
FI77062B (fi) 1988-09-30
CA1281714C (en) 1991-03-19
NO875428D0 (no) 1987-12-23
EP0273759B1 (en) 1991-09-04
FI865360A0 (fi) 1986-12-31
EP0273759A3 (en) 1989-08-16
EP0273759A2 (en) 1988-07-06
FI865360A (fi) 1988-07-01
NO163747B (no) 1990-04-02
ATE66974T1 (de) 1991-09-15
BR8707183A (pt) 1988-08-09
JPS63175188A (ja) 1988-07-19

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: NESTE OY