SE8601477L - Sett for behandling av mekanisk massa - Google Patents

Sett for behandling av mekanisk massa

Info

Publication number: SE8601477L
Authority: SE; Sweden
Prior art keywords: reject fraction; steam; treatment; carried out; refining
Prior art date: 1986-04-02

Application number

SE8601477A

Other languages

Unknown language ( )

English (en)

Other versions

SE8601477D0 (sv

Inventor

K O Danielsson

B G S Falk

Original Assignee

Sunds Defibrator

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.)

1986-04-02

Filing date

1986-04-02

Publication date

1987-10-03

1986-04-02 Application filed by Sunds Defibrator filed Critical Sunds Defibrator

1986-04-02 Priority to SE8601477A priority Critical patent/SE8601477L/sv

1986-04-02 Publication of SE8601477D0 publication Critical patent/SE8601477D0/sv

1987-03-12 Priority to PCT/SE1987/000124 priority patent/WO1987005954A1/en

1987-03-12 Priority to AU72018/87A priority patent/AU7201887A/en

1987-03-12 Priority to JP62501983A priority patent/JPH01501953A/ja

1987-10-03 Publication of SE8601477L publication Critical patent/SE8601477L/sv

1987-12-01 Priority to NO875001A priority patent/NO875001D0/no

Links

238000007670 refining Methods 0.000 abstract 2
238000012216 screening Methods 0.000 abstract 2
GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
229920001131 Pulp (paper) Polymers 0.000 abstract 1
235000010265 sodium sulphite Nutrition 0.000 abstract 1

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
- 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
- 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
- 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

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)
Inorganic Chemistry (AREA)
Paper (AREA)

SE8601477A 1986-04-02 1986-04-02 Sett for behandling av mekanisk massa SE8601477L (sv)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
SE8601477A SE8601477L (sv)	1986-04-02	1986-04-02	Sett for behandling av mekanisk massa
PCT/SE1987/000124 WO1987005954A1 (en)	1986-04-02	1987-03-12	Method of processing mechanical pulp
AU72018/87A AU7201887A (en)	1986-04-02	1987-03-12	Method of processing mechanical pulp
JP62501983A JPH01501953A (ja)	1986-04-02	1987-03-12	機械パルプを処理する方法
NO875001A NO875001D0 (no)	1986-04-02	1987-12-01	Fremgangsmaate for fremstilling av mekanisk masse.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8601477A SE8601477L (sv)	1986-04-02	1986-04-02	Sett for behandling av mekanisk massa

Publications (2)

Publication Number	Publication Date
SE8601477D0 SE8601477D0 (sv)	1986-04-02
SE8601477L true SE8601477L (sv)	1987-10-03

Family

ID=20364022

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8601477A SE8601477L (sv)	1986-04-02	1986-04-02	Sett for behandling av mekanisk massa

Country Status (4)

Country	Link
JP (1)	JPH01501953A (sv)
AU (1)	AU7201887A (sv)
SE (1)	SE8601477L (sv)
WO (1)	WO1987005954A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5108909A (en) *	1985-03-22	1992-04-28	Chiron Corporation	Expression of TPA in mammalian cells
US5423993A (en) *	1993-08-06	1995-06-13	John A. Boney	Fiber recovery system and process
SE513790C2 (sv)	1999-03-08	2000-11-06	Mo Och Domsjoe Ab	Blekning av mekanisk massa med reducerande blekmedel
US20080308239A1 (en)	2007-06-12	2008-12-18	Hart Peter W	Fiber blend having high yield and enhanced pulp performance and method for making same
WO2008153565A1 (en) *	2007-06-12	2008-12-18	Meadwestvaco Corporation	A fiber blend having high yield and enhanced pulp performance and method for making same
JP5729095B2 (ja) *	2011-03-31	2015-06-03	日本製紙株式会社	広葉樹機械パルプの製造方法
CA2824076A1 (en)	2012-08-21	2014-02-21	University Of New Brunswick	System and method for reclaiming rejects in sulfite pulping
SE540961C2 (en) *	2016-05-23	2019-01-29	Holmen Ab	Method of providing a paper fibre composition by combining chemical and mechanical pulping

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI61215B (fi) *	1976-11-23	1982-02-26	Defibrator Ab	Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial
SE422088B (sv) *	1978-11-24	1982-02-15	Mo Och Domsjoe Ab	Forfarande for framstellning av slipmassa av lignocellolusahaltiga material
US4502918A (en) *	1981-06-10	1985-03-05	Macmillan Bloedel Limited	Two-stage chemical treatment of mechanical wood pulp with sodium sulfite

1986
- 1986-04-02 SE SE8601477A patent/SE8601477L/sv not_active Application Discontinuation
1987
- 1987-03-12 AU AU72018/87A patent/AU7201887A/en not_active Abandoned
- 1987-03-12 WO PCT/SE1987/000124 patent/WO1987005954A1/en not_active Ceased
- 1987-03-12 JP JP62501983A patent/JPH01501953A/ja active Pending

Also Published As

Publication number	Publication date
JPH01501953A (ja)	1989-07-06
AU7201887A (en)	1987-10-20
WO1987005954A1 (en)	1987-10-08
SE8601477D0 (sv)	1986-04-02

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Legal Events

Date

Code

Title

Description

1995-02-28

NAV

Patent application has lapsed

Ref document number: 8601477-6

Effective date: 19880303