AU639304B2 - Process for preparing kraft pulp - Google Patents

Process for preparing kraft pulp

Info

Publication number
AU639304B2
AU639304B2 AU72189/91A AU7218991A AU639304B2 AU 639304 B2 AU639304 B2 AU 639304B2 AU 72189/91 A AU72189/91 A AU 72189/91A AU 7218991 A AU7218991 A AU 7218991A AU 639304 B2 AU639304 B2 AU 639304B2
Authority
AU
Australia
Prior art keywords
cellulosic material
carried out
temperature
cooking
pulp
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.)
Ceased
Application number
AU72189/91A
Other languages
English (en)
Other versions
AU7218991A (en
Inventor
Panu Olavi Tikka
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.)
Metso Paper Pori Oy
Original Assignee
Sunds Defibrator Rauma 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8529860&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU639304(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sunds Defibrator Rauma Oy filed Critical Sunds Defibrator Rauma Oy
Publication of AU7218991A publication Critical patent/AU7218991A/en
Application granted granted Critical
Publication of AU639304B2 publication Critical patent/AU639304B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)

Landscapes

  • Inorganic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Inorganic Insulating Materials (AREA)
  • Noodles (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Holo Graphy (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
AU72189/91A 1990-02-09 1991-02-11 Process for preparing kraft pulp Ceased AU639304B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI900663A FI93866B (fi) 1990-02-09 1990-02-09 Menetelmä sulfaattimassan valmistamiseksi
FI900663 1990-02-09

Publications (2)

Publication Number Publication Date
AU7218991A AU7218991A (en) 1991-09-03
AU639304B2 true AU639304B2 (en) 1993-07-22

Family

ID=8529860

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72189/91A Ceased AU639304B2 (en) 1990-02-09 1991-02-11 Process for preparing kraft pulp

Country Status (14)

Country Link
EP (1) EP0468016B1 (fi)
JP (1) JP2900091B2 (fi)
AT (1) ATE141351T1 (fi)
AU (1) AU639304B2 (fi)
BR (1) BR9104333A (fi)
CA (1) CA2049322C (fi)
DE (1) DE69121332T2 (fi)
ES (1) ES2091319T3 (fi)
FI (1) FI93866B (fi)
NO (1) NO178935C (fi)
NZ (1) NZ236941A (fi)
PT (1) PT96713B (fi)
WO (1) WO1991012368A1 (fi)
ZA (1) ZA91958B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE469842C (sv) * 1992-01-21 1996-01-15 Sunds Defibrator Ind Ab Blekning av kemisk massa med peroxid
NZ247276A (en) * 1992-04-06 1994-12-22 Westvaco Corp Production of papermaking fibre of low lignin content from recycled high lignin waste paper; mixtures with fresh pulp and products produced therefrom
FI970254A (fi) * 1997-01-22 1998-07-23 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan keittämiseksi
FI20002586A (fi) * 2000-11-24 2002-05-25 Metso Paper Inc Alkalinen eräkeittomenetelmä kuitumateriaalille
FI20002587A (fi) * 2000-11-24 2002-05-25 Metso Paper Inc Alkalinen keittomenetelmä kuitumateriaalille
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
AR091998A1 (es) 2012-05-03 2015-03-18 Annikki Gmbh Procedimiento de preparacion de celulosa con baja concentracion de lignina
KR102143773B1 (ko) * 2018-10-25 2020-08-12 한국세라믹기술원 리그노셀룰로오스 바이오매스를 이용한 부분결정성 활성탄의 제조방법 및 상기 부분결정성 활성탄을 이용한 슈퍼커패시터의 제조방법
KR102157512B1 (ko) * 2018-11-16 2020-09-18 한국세라믹기술원 리그노셀룰로오스 바이오매스를 이용한 구형의 다공성 활성탄 제조방법 및 이를 이용한 슈퍼커패시터의 제조방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639987A (en) * 1947-07-09 1953-05-26 Ass Pulp & Paper Mills Two-stage pulping process
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE101369C1 (fi) *
US1687076A (en) * 1927-10-12 1928-10-09 Venning D Simons Process for cooking wood chips by the alkaline process of pulp manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639987A (en) * 1947-07-09 1953-05-26 Ass Pulp & Paper Mills Two-stage pulping process
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery

Also Published As

Publication number Publication date
AU7218991A (en) 1991-09-03
NO178935B (no) 1996-03-25
PT96713A (pt) 1991-10-31
JPH04505485A (ja) 1992-09-24
NO178935C (no) 2000-06-26
FI900663A (fi) 1991-08-10
NO913873D0 (no) 1991-10-02
CA2049322C (en) 2002-08-20
EP0468016A1 (en) 1992-01-29
ATE141351T1 (de) 1996-08-15
NZ236941A (en) 1993-10-26
CA2049322A1 (en) 1991-08-10
JP2900091B2 (ja) 1999-06-02
DE69121332D1 (de) 1996-09-19
WO1991012368A1 (en) 1991-08-22
PT96713B (pt) 2001-05-31
ES2091319T3 (es) 1996-11-01
BR9104333A (pt) 1992-04-21
NO913873L (no) 1991-10-02
ZA91958B (en) 1991-11-27
EP0468016B1 (en) 1996-08-14
FI93866B (fi) 1995-02-28
FI900663A0 (fi) 1990-02-09
DE69121332T2 (de) 1997-03-13

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