CA1173604A - Production of chemimechanical pulp - Google Patents

Production of chemimechanical pulp

Info

Publication number
CA1173604A
CA1173604A CA000394564A CA394564A CA1173604A CA 1173604 A CA1173604 A CA 1173604A CA 000394564 A CA000394564 A CA 000394564A CA 394564 A CA394564 A CA 394564A CA 1173604 A CA1173604 A CA 1173604A
Authority
CA
Canada
Prior art keywords
chips
pulp
pulping process
acid
wood
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
Application number
CA000394564A
Other languages
English (en)
French (fr)
Inventor
Zenon C. Prusas
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.)
Mead Corp
Original Assignee
Mead Corp
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 Mead Corp filed Critical Mead Corp
Application granted granted Critical
Publication of CA1173604A publication Critical patent/CA1173604A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/02Pretreatment of the raw materials by chemical or physical means
    • D21B1/021Pretreatment of the raw materials by chemical or physical means by chemical means
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00Pretreatment of the finely-divided materials before digesting
    • D21C1/06Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA000394564A 1981-02-11 1982-01-20 Production of chemimechanical pulp Expired CA1173604A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23341581A 1981-02-11 1981-02-11
US233,415 1981-02-11

Publications (1)

Publication Number Publication Date
CA1173604A true CA1173604A (en) 1984-09-04

Family

ID=22877153

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000394564A Expired CA1173604A (en) 1981-02-11 1982-01-20 Production of chemimechanical pulp

Country Status (8)

Country Link
JP (1) JPS57149581A (ja)
AU (1) AU545847B2 (ja)
BR (1) BR8200512A (ja)
CA (1) CA1173604A (ja)
FI (1) FI820296L (ja)
NO (1) NO820336L (ja)
NZ (1) NZ199486A (ja)
SE (1) SE8200756L (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8048263B2 (en) 2001-07-19 2011-11-01 Andritz Inc. Four stage alkaline peroxide mechanical pulpings
US8216423B2 (en) 2001-07-19 2012-07-10 Andritz Inc. Multi-stage AP mechanical pulping with refiner blow line treatment

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
SE454186C (sv) * 1985-03-13 1989-09-25 Eka Nobel Ab Saett foer framstaellning av kemimekanisk massa
SE466060C (sv) 1990-02-13 1995-09-11 Moelnlycke Ab Absorberande kemitermomekanisk massa och framställning därav
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
FR2675518B1 (fr) * 1991-04-17 1996-10-18 Atochem Procede de preparation de pate a papier a haut rendement et blanchie, a partir de copeaux de bois.
JP4501329B2 (ja) * 2002-03-29 2010-07-14 日本製紙株式会社 グラビア印刷用塗工紙
CN104389214A (zh) * 2014-10-28 2015-03-04 广西大学 一种利用鲜竹材制取apmp浆的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8048263B2 (en) 2001-07-19 2011-11-01 Andritz Inc. Four stage alkaline peroxide mechanical pulpings
US8216423B2 (en) 2001-07-19 2012-07-10 Andritz Inc. Multi-stage AP mechanical pulping with refiner blow line treatment

Also Published As

Publication number Publication date
AU545847B2 (en) 1985-08-01
FI820296L (fi) 1982-08-12
NO820336L (no) 1982-08-12
JPS57149581A (en) 1982-09-16
BR8200512A (pt) 1982-12-07
SE8200756L (sv) 1982-08-12
AU7947182A (en) 1982-08-19
NZ199486A (en) 1984-12-14

Similar Documents

Publication Publication Date Title
US4248662A (en) Oxygen pulping with recycled liquor
US4486267A (en) Chemithermomechanical pulping process employing separate alkali and sulfite treatments
US5002635A (en) Method for producing pulp using pre-treatment with stabilizers and refining
EP1095184B1 (en) Method of producing lignocellulosic pulp from non-woody species
US4798651A (en) Process for preparing pulp for paper making
JP2915576B2 (ja) Ctmpプロセス
CA1272563A (en) Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
US4160693A (en) Process for the bleaching of cellulose pulp
CA1275760C (en) Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a two-stage impregnation process
US4849053A (en) Method for producing pulp using pre-treatment with stabilizers and defibration
CA1173604A (en) Production of chemimechanical pulp
EP0519061B1 (en) Split alkali addition for high consistency oxygen delignification
JP2588495B2 (ja) 製紙用高収率高漂白度パルプの製造方法
EP0494519A1 (en) High yield pulping process
US3073737A (en) Wood pulp and process for producing same
CA1274657A (en) High yield pulping and bleaching process
US5525195A (en) Process for high consistency delignification using a low consistency alkali pretreatment
EP0530881A1 (en) Use of wash press for pulp alkali addition process
US3617432A (en) Delignifying lignocellulose with an incomplete soda cook followed by gaseous bleaching
EP0030778A1 (en) Process for the formation of refiner pulp
EP0540091B1 (en) Wash press modification for oxygen delignification process
CA1194656A (en) Process for the preparation of the digesting liquor required in a neutral sulfite cooking with an addition of anthraquinone
CA1309562C (en) Chemimechanical pulping process employing sodium carbonate and sodium sulphite
EP0663030A1 (en) Improved bleaching of high consistency lignocellulosic pulp
CA2019004A1 (en) High yield pulping and bleaching process for the production of pulp of high strength and high brightness for papermaking

Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry