FI83238C - Foerfarande foer framstaellning av cellulosa. - Google Patents

Foerfarande foer framstaellning av cellulosa. Download PDF

Info

Publication number
FI83238C
FI83238C FI861453A FI861453A FI83238C FI 83238 C FI83238 C FI 83238C FI 861453 A FI861453 A FI 861453A FI 861453 A FI861453 A FI 861453A FI 83238 C FI83238 C FI 83238C
Authority
FI
Finland
Prior art keywords
mixture
cooking
pulp
minutes
ground
Prior art date
Application number
FI861453A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI83238B (fi
FI861453A (fi
FI861453A0 (fi
Inventor
David Henry Nunweek
Pekka Pellervo Rahkila
Original Assignee
Caxton Paper Mills Ltd
Yhtyneet Paperitehtaat 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 Caxton Paper Mills Ltd, Yhtyneet Paperitehtaat Oy filed Critical Caxton Paper Mills Ltd
Publication of FI861453A0 publication Critical patent/FI861453A0/fi
Publication of FI861453A publication Critical patent/FI861453A/fi
Publication of FI83238B publication Critical patent/FI83238B/fi
Application granted granted Critical
Publication of FI83238C publication Critical patent/FI83238C/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/266—Multistage processes the same pulping agent being used in all stages

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Materials For Medical Uses (AREA)
FI861453A 1985-04-04 1986-04-04 Foerfarande foer framstaellning av cellulosa. FI83238C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ211684A NZ211684A (en) 1985-04-04 1985-04-04 Manufacture of cellulose pulp: second digestion step follows initial digestion and refining steps
NZ21168485 1985-04-04

Publications (4)

Publication Number Publication Date
FI861453A0 FI861453A0 (fi) 1986-04-04
FI861453A FI861453A (fi) 1986-10-05
FI83238B FI83238B (fi) 1991-02-28
FI83238C true FI83238C (fi) 1991-06-10

Family

ID=19921155

Family Applications (1)

Application Number Title Priority Date Filing Date
FI861453A FI83238C (fi) 1985-04-04 1986-04-04 Foerfarande foer framstaellning av cellulosa.

Country Status (15)

Country Link
EP (1) EP0199481B1 (de)
JP (1) JPS61282491A (de)
KR (1) KR930003394B1 (de)
AR (1) AR243623A1 (de)
AU (1) AU585331B2 (de)
BR (1) BR8601558A (de)
CA (1) CA1273454A (de)
DE (1) DE3667515D1 (de)
ES (1) ES8705940A1 (de)
FI (1) FI83238C (de)
MY (1) MY102502A (de)
NO (1) NO167159C (de)
NZ (1) NZ211684A (de)
PT (1) PT82341B (de)
ZA (1) ZA862454B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USH1672H (en) * 1988-03-28 1997-08-05 Kimberly-Clark Corporation Tissue products made from low-coarseness fibers
FI126694B (fi) * 2005-12-02 2017-04-13 Metsä Board Oyj Kemimekaaninen massa ja menetelmä sen valmistamiseksi
CN102561094B (zh) * 2012-01-06 2015-04-15 黑龙江浩源生物科技有限公司 利用玉米秸秆木糖渣制浆造纸的方法
CN103410036B (zh) * 2013-08-15 2015-11-18 齐鲁工业大学 一种阔叶木高得率浆的生产方法
CN104928958A (zh) * 2015-05-25 2015-09-23 张家港市欣发包装有限责任公司 一种利用秸秆制备瓦楞纸的方法
AT518800B1 (de) 2016-06-17 2019-09-15 Andritz Ag Maschf Verfahren zur herstellung von faserstoff
CN112342814B (zh) * 2020-11-19 2023-03-31 横县东糖糖业有限公司纸业分公司 以桉木树皮为原料生产高强度本色纸浆的方法
CN113481741B (zh) * 2021-07-27 2023-05-09 中福海峡(平潭)发展股份有限公司 一种菌草化机浆及其制备方法和应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1145106A (en) * 1980-07-11 1983-04-26 Alan C. Shaw Procedure for improving properties of mechanical wood pulps
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
AU570034B2 (en) * 1983-04-20 1988-03-03 Process Evaluation And Development Corp. Continuous pulp digester

Also Published As

Publication number Publication date
FI83238B (fi) 1991-02-28
AU5565086A (en) 1986-10-16
ZA862454B (en) 1986-11-26
NO861307L (no) 1986-10-06
EP0199481B1 (de) 1989-12-13
MY102502A (en) 1992-06-30
EP0199481A1 (de) 1986-10-29
AU585331B2 (en) 1989-06-15
KR860008339A (ko) 1986-11-14
KR930003394B1 (ko) 1993-04-26
ES554182A0 (es) 1987-06-01
FI861453A (fi) 1986-10-05
BR8601558A (pt) 1986-12-09
AR243623A1 (es) 1993-08-31
JPS61282491A (ja) 1986-12-12
ES8705940A1 (es) 1987-06-01
CA1273454A (en) 1990-09-04
NZ211684A (en) 1989-07-27
DE3667515D1 (de) 1990-01-18
PT82341B (pt) 1988-12-15
PT82341A (en) 1986-05-01
FI861453A0 (fi) 1986-04-04
NO167159B (no) 1991-07-01
NO167159C (no) 1991-10-09

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: CAXTON PAPER MILLS LIMITED

Owner name: YHTYNEET PAPERITEHTAAT OY