BR9709946A - Processo aperfeiçoado de lavagem de polpa - Google Patents

Processo aperfeiçoado de lavagem de polpa

Info

Publication number
BR9709946A
BR9709946A BR9709946A BR9709946A BR9709946A BR 9709946 A BR9709946 A BR 9709946A BR 9709946 A BR9709946 A BR 9709946A BR 9709946 A BR9709946 A BR 9709946A BR 9709946 A BR9709946 A BR 9709946A
Authority
BR
Brazil
Prior art keywords
washing process
pulp washing
improved pulp
improved
washing
Prior art date
Application number
BR9709946A
Other languages
English (en)
Inventor
John S Antkowiak
Original Assignee
Beloit Technologies Inc
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=24687277&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9709946(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Beloit Technologies Inc filed Critical Beloit Technologies Inc
Publication of BR9709946A publication Critical patent/BR9709946A/pt

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)
  • Extraction Or Liquid Replacement (AREA)
BR9709946A 1996-06-24 1997-04-29 Processo aperfeiçoado de lavagem de polpa BR9709946A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/669,678 US5741399A (en) 1996-06-24 1996-06-24 Pulp washing method
PCT/US1997/007186 WO1997049859A1 (en) 1996-06-24 1997-04-29 Improved pulp washing method

Publications (1)

Publication Number Publication Date
BR9709946A true BR9709946A (pt) 1999-08-10

Family

ID=24687277

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709946A BR9709946A (pt) 1996-06-24 1997-04-29 Processo aperfeiçoado de lavagem de polpa

Country Status (7)

Country Link
US (1) US5741399A (pt)
EP (1) EP0907786A1 (pt)
JP (1) JPH11513084A (pt)
AU (1) AU2993897A (pt)
BR (1) BR9709946A (pt)
CA (1) CA2258962A1 (pt)
WO (1) WO1997049859A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107742B (fi) * 1995-09-11 2001-09-28 Andritz Ahlstrom Oy Menetelmä ja laite massan käsittelemiseksi
EP0956388A1 (en) * 1997-01-31 1999-11-17 Ahlstrom Machinery Oy Feeding of washing liquid in a pulp washer
FI112957B (fi) * 1999-07-21 2004-02-13 Metso Paper Pori Oy Menetelmä ja laite massan pesemiseksi

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2057059A (en) * 1935-11-05 1936-10-13 Hooker Electrochemical Co Treatment of sulphite process paper machine effluent
US2988470A (en) * 1959-05-12 1961-06-13 Union Bag Camp Paper Corp Method and apparatus for continuous countercurrent pulping of ligno-cellulose materials
US3959068A (en) * 1974-10-24 1976-05-25 The Babcock & Wilcox Company Process and apparatus for recovery of sulfur from a polysulfide pulping operation
ZA761255B (en) * 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
SE406943B (sv) * 1976-04-14 1979-03-05 Mo Och Domsjoe Ab Forfarande for kontinuerlig tvettning av suspensioner
FI56865C (fi) * 1978-06-01 1980-04-10 Enso Gutzeit Oy Foerfarande och aggregat foer tvaettning av cellulosa
JPS57149586A (en) * 1981-03-09 1982-09-16 Mitsubishi Heavy Ind Ltd Pipe line washing method
US4806203A (en) * 1985-02-14 1989-02-21 Elton Edward F Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
FI74752C (fi) * 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
US5046338A (en) * 1990-06-13 1991-09-10 Ingersoll-Rand Company Multiphase pulp washer
FI88940C (fi) * 1991-06-17 1993-07-26 Sunds Porin Tehtaat Oy Drumtvaettare
FI107742B (fi) * 1995-09-11 2001-09-28 Andritz Ahlstrom Oy Menetelmä ja laite massan käsittelemiseksi

Also Published As

Publication number Publication date
CA2258962A1 (en) 1997-12-31
US5741399A (en) 1998-04-21
EP0907786A1 (en) 1999-04-14
AU2993897A (en) 1998-01-14
WO1997049859A1 (en) 1997-12-31
JPH11513084A (ja) 1999-11-09

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]