DE3861982D1 - Verfahren zur herstellung von chemithermomechanischen zellstoffen. - Google Patents

Verfahren zur herstellung von chemithermomechanischen zellstoffen.

Info

Publication number
DE3861982D1
DE3861982D1 DE8888420160T DE3861982T DE3861982D1 DE 3861982 D1 DE3861982 D1 DE 3861982D1 DE 8888420160 T DE8888420160 T DE 8888420160T DE 3861982 T DE3861982 T DE 3861982T DE 3861982 D1 DE3861982 D1 DE 3861982D1
Authority
DE
Germany
Prior art keywords
chemithermomechanical
cells
production
aid
medium
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8888420160T
Other languages
English (en)
Inventor
Michel Devic
Robert Angelier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arkema France SA
Original Assignee
Atochem SA
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 Atochem SA filed Critical Atochem SA
Application granted granted Critical
Publication of DE3861982D1 publication Critical patent/DE3861982D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Catalysts (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Steroid Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DE8888420160T 1987-05-25 1988-05-17 Verfahren zur herstellung von chemithermomechanischen zellstoffen. Expired - Fee Related DE3861982D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8707552A FR2615874B1 (fr) 1987-05-25 1987-05-25 Procede de preparation de pates chimicothermomecaniques

Publications (1)

Publication Number Publication Date
DE3861982D1 true DE3861982D1 (de) 1991-04-18

Family

ID=9351559

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8888420160T Expired - Fee Related DE3861982D1 (de) 1987-05-25 1988-05-17 Verfahren zur herstellung von chemithermomechanischen zellstoffen.
DE198888420160T Pending DE293309T1 (de) 1987-05-25 1988-05-17 Verfahren zur herstellung von chemithermomechanischen zellstoffen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198888420160T Pending DE293309T1 (de) 1987-05-25 1988-05-17 Verfahren zur herstellung von chemithermomechanischen zellstoffen.

Country Status (12)

Country Link
EP (1) EP0293309B1 (de)
JP (1) JPS63303189A (de)
AT (1) ATE61639T1 (de)
AU (1) AU609481B2 (de)
CA (1) CA1310452C (de)
DE (2) DE3861982D1 (de)
ES (1) ES2004855B3 (de)
FI (1) FI93746C (de)
FR (1) FR2615874B1 (de)
NO (1) NO171801C (de)
NZ (1) NZ224749A (de)
PT (1) PT87569B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634233B1 (fr) * 1988-07-12 1995-04-14 Atochem Procede de fabrication de pates chimicothermomecaniques blanchies
FR2659363B1 (fr) * 1990-03-07 1996-04-19 Atochem Procede de preparation de pates a haut rendement blanchies.
SE468644B (sv) * 1991-05-24 1993-02-22 Sunds Defibrator Ind Ab Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit
DE10109502A1 (de) 2001-02-28 2002-09-12 Rhodia Acetow Gmbh Verfahren zum Abtrennen von Hemicellulosen aus hemicellulosehaltiger Biomasse sowie die mit dem Verfahren erhältliche Biomasse und Hemicellulose
JP6290244B2 (ja) * 2012-12-12 2018-03-07 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ セルロース蒸解プロセスにおける亜ジチオン酸ナトリウムの使用
EP2924166A1 (de) * 2014-03-25 2015-09-30 Basf Se Verfahren zur Herstellung von gebleichtem Holzfaserstoff
CN111549552B (zh) * 2020-05-25 2022-06-14 广西大学 一种废水碱回收循环利用的高得率化学机械浆制浆方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1150451A (fr) * 1956-05-04 1958-01-14 Saint Gobain Perfectionnement aux procédés de fabrication des pâtes cellulosiques mi-chimiques
US3284283A (en) * 1964-02-17 1966-11-08 Fmc Corp Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
CH510168A (it) * 1969-07-30 1971-07-15 Vita Mayer & C Gia Processo per la produzione di paste ad alta resa ed alto grado di bianco per uso cartario
JPS5210300B2 (de) * 1973-06-19 1977-03-23
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
CA1212505A (en) * 1984-07-17 1986-10-14 Rudy Vit Method, process and apparatus for converting wood, wood residue and or biomass into pulp
FR2634233B1 (fr) * 1988-07-12 1995-04-14 Atochem Procede de fabrication de pates chimicothermomecaniques blanchies

Also Published As

Publication number Publication date
DE293309T1 (de) 1989-05-11
EP0293309B1 (de) 1991-03-13
EP0293309A1 (de) 1988-11-30
NO171801B (no) 1993-01-25
NO882263L (no) 1988-11-28
ATE61639T1 (de) 1991-03-15
CA1310452C (fr) 1992-11-24
JPH0217675B2 (de) 1990-04-23
FR2615874A1 (fr) 1988-12-02
PT87569B (pt) 1992-09-30
AU609481B2 (en) 1991-05-02
NZ224749A (en) 1989-08-29
NO171801C (no) 1993-05-05
AU1661488A (en) 1988-12-01
FI882448A (fi) 1988-11-26
NO882263D0 (no) 1988-05-24
FI93746B (fi) 1995-02-15
ES2004855B3 (es) 1991-08-16
FR2615874B1 (fr) 1992-02-21
FI93746C (fi) 1995-05-26
JPS63303189A (ja) 1988-12-09
ES2004855A4 (es) 1989-02-16
FI882448A0 (fi) 1988-05-24
PT87569A (pt) 1989-05-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee