[go: up one dir, main page]

FI900663L - Method for preparing sulphate pulp - Google Patents

Method for preparing sulphate pulp Download PDF

Info

Publication number
FI900663L
FI900663L FI900663A FI900663A FI900663L FI 900663 L FI900663 L FI 900663L FI 900663 A FI900663 A FI 900663A FI 900663 A FI900663 A FI 900663A FI 900663 L FI900663 L FI 900663L
Authority
FI
Finland
Prior art keywords
sulphate pulp
preparing
preparing sulphate
pulp
sulphate
Prior art date
Application number
FI900663A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI900663A0 (en
FI93866B (en
Inventor
Panu Olavi Tikka
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=FI900663(L) "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
Priority to FI900663A priority Critical patent/FI93866B/en
Publication of FI900663A0 publication Critical patent/FI900663A0/en
Priority to NZ236941A priority patent/NZ236941A/en
Priority to ZA91958A priority patent/ZA91958B/en
Priority to PT96713A priority patent/PT96713B/en
Priority to AT91903366T priority patent/ATE141351T1/en
Priority to ES91903366T priority patent/ES2091319T3/en
Priority to PCT/FI1991/000043 priority patent/WO1991012368A1/en
Priority to CA002049322A priority patent/CA2049322C/en
Priority to JP3503756A priority patent/JP2900091B2/en
Priority to EP91903366A priority patent/EP0468016B1/en
Priority to DE69121332T priority patent/DE69121332T2/en
Priority to BR919104333A priority patent/BR9104333A/en
Priority to AU72189/91A priority patent/AU639304B2/en
Publication of FI900663L publication Critical patent/FI900663L/en
Priority to NO913873A priority patent/NO178935C/en
Priority to US07794795 priority patent/US5183535B1/en
Publication of FI93866B publication Critical patent/FI93866B/en
Application granted granted Critical

Links

Classifications

    • 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
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • 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
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Noodles (AREA)
  • Holo Graphy (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)
FI900663A 1990-02-09 1990-02-09 Process for the preparation of sulphate pulp FI93866B (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
FI900663A FI93866B (en) 1990-02-09 1990-02-09 Process for the preparation of sulphate pulp
NZ236941A NZ236941A (en) 1990-02-09 1991-01-30 Preparation of kraft pulp: impregnation with spent alkaline cooking liquor, heating, and subsequent delignification with fresh alkaline cooking liquor
ZA91958A ZA91958B (en) 1990-02-09 1991-02-08 Process for preparing kraft pulp
PT96713A PT96713B (en) 1990-02-09 1991-02-08 KRAFT PASTE PREPARATION PROCESS
AU72189/91A AU639304B2 (en) 1990-02-09 1991-02-11 Process for preparing kraft pulp
CA002049322A CA2049322C (en) 1990-02-09 1991-02-11 Process for preparing kraft pulp
BR919104333A BR9104333A (en) 1990-02-09 1991-02-11 PROCESS FOR THE PREPARATION OF KRAFT PULP
PCT/FI1991/000043 WO1991012368A1 (en) 1990-02-09 1991-02-11 Process for preparing kraft pulp
AT91903366T ATE141351T1 (en) 1990-02-09 1991-02-11 METHOD FOR PRODUCING POWER PULP
JP3503756A JP2900091B2 (en) 1990-02-09 1991-02-11 Kraft pulp manufacturing method
EP91903366A EP0468016B1 (en) 1990-02-09 1991-02-11 Process for preparing kraft pulp
DE69121332T DE69121332T2 (en) 1990-02-09 1991-02-11 METHOD FOR PRODUCING POWERS
ES91903366T ES2091319T3 (en) 1990-02-09 1991-02-11 PROCESS TO PREPARE KRAFT PASTA.
NO913873A NO178935C (en) 1990-02-09 1991-10-02 Process for the production of cogeneration
US07794795 US5183535B1 (en) 1990-02-09 1991-11-19 Process for preparing kraft pulp using black liquor pretreatment reaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI900663A FI93866B (en) 1990-02-09 1990-02-09 Process for the preparation of sulphate pulp

Publications (3)

Publication Number Publication Date
FI900663A0 FI900663A0 (en) 1990-02-09
FI900663L true FI900663L (en) 1991-08-10
FI93866B FI93866B (en) 1995-02-28

Family

ID=8529860

Family Applications (1)

Application Number Title Priority Date Filing Date
FI900663A FI93866B (en) 1990-02-09 1990-02-09 Process for the preparation of sulphate pulp

Country Status (14)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE469842C (en) * 1992-01-21 1996-01-15 Sunds Defibrator Ind Ab Bleaching of chemical pulp with peroxide
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
FI970254A7 (en) * 1997-01-22 1998-07-23 Ahlstrom Machinery Oy Method and apparatus for cooking pulp
FI20002586L (en) * 2000-11-24 2002-05-25 Metso Paper Inc Alkaline batch cooking method for fibrous material
FI20002587L (en) * 2000-11-24 2002-05-25 Metso Paper Inc Alkaline cooking method for fibrous material
KR20110123184A (en) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 Method and system for producing high alpha dissolving pulp
AR091998A1 (en) 2012-05-03 2015-03-18 Annikki Gmbh CELLULOSE PREPARATION PROCEDURE WITH LIGNIN LOW CONCENTRATION
KR102143773B1 (en) * 2018-10-25 2020-08-12 한국세라믹기술원 Manufacturing method of porous active carbon using lignocellulose biomass and manufacturing method of the supercapacitor usig the active carbon
KR102157512B1 (en) * 2018-11-16 2020-09-18 한국세라믹기술원 Manufacturing method of spherical porous active carbon using lignocellulose biomass and manufacturing method of the supercapacitor usig the porous active carbon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE101369C1 (en) *
US1687076A (en) * 1927-10-12 1928-10-09 Venning D Simons Process for cooking wood chips by the alkaline process of pulp manufacture
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
FI900663A0 (en) 1990-02-09
ATE141351T1 (en) 1996-08-15
AU7218991A (en) 1991-09-03
NO178935B (en) 1996-03-25
PT96713A (en) 1991-10-31
ZA91958B (en) 1991-11-27
FI93866B (en) 1995-02-28
NZ236941A (en) 1993-10-26
JP2900091B2 (en) 1999-06-02
DE69121332D1 (en) 1996-09-19
NO178935C (en) 2000-06-26
EP0468016A1 (en) 1992-01-29
ES2091319T3 (en) 1996-11-01
PT96713B (en) 2001-05-31
BR9104333A (en) 1992-04-21
WO1991012368A1 (en) 1991-08-22
NO913873L (en) 1991-10-02
NO913873D0 (en) 1991-10-02
DE69121332T2 (en) 1997-03-13
JPH04505485A (en) 1992-09-24
EP0468016B1 (en) 1996-08-14
AU639304B2 (en) 1993-07-22
CA2049322C (en) 2002-08-20
CA2049322A1 (en) 1991-08-10

Similar Documents

Publication Publication Date Title
FI914538A7 (en) Improved method for preparing pulp
FI913930A7 (en) Method for processing pulp
FI906303A7 (en) Papermaking method
FI945856A0 (en) Method for preparing level-off-DP cellulose
FI922057L (en) Method for making paper
FI952959A7 (en) Method for preparing cellulose solutions
FI911601L (en) Method for preparing pigment
FI960145L (en) Method for making pulp
FI915591L (en) Method for making paper pulp
FI925988A7 (en) Method for preparing B-lactams
FI895676L (en) Method for preparing pulp
FI910655A7 (en) Method for producing pulp from lignocellulosic material
FI940280L (en) Process for preparing demethylepipodophyllotoxin
DE69026746D1 (en) Paper forming plant
FI906400A0 (en) Pulp bleaching method
FI900663L (en) Method for preparing sulphate pulp
FI881544L (en) Method for preparing mechanical pulp
FI911963A7 (en) Method for bleaching pulp
FI892741A7 (en) Method for preparing the pulp
FI101530B1 (en) Method for separating sulphate
FI900544A7 (en) Method for preparing pulp
FI904456A7 (en) Method for bleaching pulp
ID870B (en) RITSLETING MAKING METHOD
FI911812A7 (en) Method for preparing xylanase
FI922025A7 (en) Cellulose pulp production method

Legal Events

Date Code Title Description
BB Publication of examined application
MFD Revocation of patent following opposition

Owner name: METSO CHEMICAL PULPING OY