FI103901B1 - Parannettu pesumenetelmä - Google Patents

Parannettu pesumenetelmä

Info

Publication number
FI103901B1
FI103901B1 FI931395A FI931395A FI103901B1 FI 103901 B1 FI103901 B1 FI 103901B1 FI 931395 A FI931395 A FI 931395A FI 931395 A FI931395 A FI 931395A FI 103901 B1 FI103901 B1 FI 103901B1
Authority
FI
Finland
Prior art keywords
pct
wash water
sec
cationic polymer
date
Prior art date
Application number
FI931395A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI931395A (fi
FI931395A0 (fi
FI103901B (fi
Inventor
Robert H Pelton
Pei Li
Original Assignee
Dorset Ind Chemicals Ltd
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 Dorset Ind Chemicals Ltd filed Critical Dorset Ind Chemicals Ltd
Publication of FI931395A0 publication Critical patent/FI931395A0/fi
Publication of FI931395A publication Critical patent/FI931395A/fi
Application granted granted Critical
Publication of FI103901B publication Critical patent/FI103901B/fi
Publication of FI103901B1 publication Critical patent/FI103901B1/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Amplifiers (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • External Artificial Organs (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Preliminary Treatment Of Fibers (AREA)
FI931395A 1990-09-28 1993-03-26 Parannettu pesumenetelmä FI103901B1 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909021126A GB9021126D0 (en) 1990-09-28 1990-09-28 Improved washing process
PCT/CA1991/000350 WO1992006241A1 (en) 1990-09-28 1991-09-27 Improved washing process

Publications (4)

Publication Number Publication Date
FI931395A0 FI931395A0 (fi) 1993-03-26
FI931395A FI931395A (fi) 1993-05-17
FI103901B FI103901B (fi) 1999-10-15
FI103901B1 true FI103901B1 (fi) 1999-10-15

Family

ID=10682899

Family Applications (1)

Application Number Title Priority Date Filing Date
FI931395A FI103901B1 (fi) 1990-09-28 1993-03-26 Parannettu pesumenetelmä

Country Status (11)

Country Link
US (1) US5310460A (no)
EP (1) EP0550547B1 (no)
JP (1) JPH0778316B2 (no)
AT (1) ATE116020T1 (no)
AU (1) AU8623491A (no)
CA (1) CA2092396C (no)
DE (1) DE69106139D1 (no)
FI (1) FI103901B1 (no)
GB (1) GB9021126D0 (no)
NO (1) NO300385B1 (no)
WO (1) WO1992006241A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI117391B (fi) * 2000-05-16 2006-09-29 Andritz Oy Menetelmä ja laitteisto massan käsittelemiseksi
WO2015070012A1 (en) * 2013-11-08 2015-05-14 Solenis Technologies, L.P. Surfactant based brown stock wash aid treatment for papermachine drainage and dry strength agents
WO2022094597A1 (en) * 2020-10-30 2022-05-05 Solenis Technologies Cayman, L.P. Method of increasing efficiency of chemical additives in papermaking systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478880A (en) * 1967-07-10 1969-11-18 Contra Costa County Water Dist Process for water treatment filter conditioning
US4297164A (en) * 1980-03-10 1981-10-27 Weyerhaeuser Company Process for displacement washing of porous media
US4810328A (en) * 1984-07-13 1989-03-07 Diamond Shamrock Chemicals Company Method of brown stock washing

Also Published As

Publication number Publication date
AU8623491A (en) 1992-04-28
DE69106139D1 (de) 1995-02-02
CA2092396C (en) 1999-01-12
NO931110L (no) 1993-05-24
FI931395A (fi) 1993-05-17
FI931395A0 (fi) 1993-03-26
EP0550547A1 (en) 1993-07-14
FI103901B (fi) 1999-10-15
CA2092396A1 (en) 1992-03-29
WO1992006241A1 (en) 1992-04-16
JPH0778316B2 (ja) 1995-08-23
NO300385B1 (no) 1997-05-20
NO931110D0 (no) 1993-03-25
US5310460A (en) 1994-05-10
EP0550547B1 (en) 1994-12-21
ATE116020T1 (de) 1995-01-15
JPH06500605A (ja) 1994-01-20
GB9021126D0 (en) 1990-11-14

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Legal Events

Date Code Title Description
MA Patent expired