ATE66974T1 - Verfahren zum wiederumlauf von phenol in einem verfahren zum aufschluss von lignozellulosematerialien. - Google Patents

Verfahren zum wiederumlauf von phenol in einem verfahren zum aufschluss von lignozellulosematerialien.

Info

Publication number: ATE66974T1
Authority: AT; Austria
Prior art keywords: phenol; materials; publing; lignocellulous; lignocellulosic material
Prior art date: 1986-12-31

Application number

AT87311493T

Other languages

English (en)

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.)

1986-12-31

Filing date

1987-12-29

Publication date

1991-09-15

1987-12-29 Application filed by Neste Oy filed Critical Neste Oy

1991-09-15 Application granted granted Critical

1991-09-15 Publication of ATE66974T1 publication Critical patent/ATE66974T1/de

Links

ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title abstract 7
238000000034 method Methods 0.000 title abstract 6
239000000463 material Substances 0.000 title abstract 2
238000004064 recycling Methods 0.000 title 1
239000012978 lignocellulosic material Substances 0.000 abstract 4
230000029087 digestion Effects 0.000 abstract 3
125000004122 cyclic group Chemical group 0.000 abstract 1
238000005470 impregnation Methods 0.000 abstract 1
229920005610 lignin Polymers 0.000 abstract 1
230000003134 recirculating effect Effects 0.000 abstract 1
238000005406 washing Methods 0.000 abstract 1

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)
Dry Formation Of Fiberboard And The Like (AREA)
Compositions Of Macromolecular Compounds (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)
Medicines Containing Plant Substances (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

AT87311493T 1986-12-31 1987-12-29 Verfahren zum wiederumlauf von phenol in einem verfahren zum aufschluss von lignozellulosematerialien. ATE66974T1 (de)

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.
EP87311493A EP0273759B1 (de)	1986-12-31	1987-12-29	Verfahren zum Wiederumlauf von Phenol in einem Verfahren zum Aufschluss von Lignozellulosematerialien

Publications (1)

Publication Number	Publication Date
ATE66974T1 true ATE66974T1 (de)	1991-09-15

Family

ID=8523726

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT87311493T ATE66974T1 (de)	1986-12-31	1987-12-29	Verfahren zum wiederumlauf von phenol in einem verfahren zum aufschluss von lignozellulosematerialien.

Country Status (9)

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

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
WO1983002125A1 (en) *	1981-12-10	1983-06-23	Memorial Institute Battelle	A method for the delignification of wood and other ligno-cellulosic products

1986
- 1986-12-31 FI FI865360A patent/FI77062C/fi not_active IP Right Cessation
1987
- 1987-12-17 ZA ZA879483A patent/ZA879483B/xx unknown
- 1987-12-23 NO NO875428A patent/NO163747C/no unknown
- 1987-12-29 AT AT87311493T patent/ATE66974T1/de active
- 1987-12-29 EP EP87311493A patent/EP0273759B1/de not_active Expired - Lifetime
- 1987-12-29 DE DE8787311493T patent/DE3772741D1/de not_active Expired - Fee Related
- 1987-12-29 JP JP62336802A patent/JPS63175188A/ja active Pending
- 1987-12-30 BR BR8707183A patent/BR8707183A/pt unknown
- 1987-12-31 CA CA000555716A patent/CA1281714C/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
NO875428D0 (no)	1987-12-23
ZA879483B (en)	1988-05-14
FI865360A0 (fi)	1986-12-31
JPS63175188A (ja)	1988-07-19
CA1281714C (en)	1991-03-19
NO875428L (no)	1988-07-01
FI77062B (fi)	1988-09-30
EP0273759B1 (de)	1991-09-04
EP0273759A3 (en)	1989-08-16
NO163747B (no)	1990-04-02
FI865360L (fi)	1988-07-01
DE3772741D1 (de)	1991-10-10
FI77062C (fi)	1989-01-10
NO163747C (no)	1990-07-11
BR8707183A (pt)	1988-08-09
EP0273759A2 (de)	1988-07-06

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