BR9504574A - Processo de diminuir a quantidade de líquido que resta com pasta de grau branqueável - Google Patents

Processo de diminuir a quantidade de líquido que resta com pasta de grau branqueável

Info

Publication number
BR9504574A
BR9504574A BR9504574A BR9504574A BR9504574A BR 9504574 A BR9504574 A BR 9504574A BR 9504574 A BR9504574 A BR 9504574A BR 9504574 A BR9504574 A BR 9504574A BR 9504574 A BR9504574 A BR 9504574A
Authority
BR
Brazil
Prior art keywords
decreasing
remains
liquid
amount
grade paste
Prior art date
Application number
BR9504574A
Other languages
English (en)
Portuguese (pt)
Inventor
Jacqueline K Pease
Original Assignee
Betz Int
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 Betz Int filed Critical Betz Int
Publication of BR9504574A publication Critical patent/BR9504574A/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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic 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
    • 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
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
BR9504574A 1994-10-26 1995-10-26 Processo de diminuir a quantidade de líquido que resta com pasta de grau branqueável BR9504574A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32975294A 1994-10-26 1994-10-26

Publications (1)

Publication Number Publication Date
BR9504574A true BR9504574A (pt) 1997-05-20

Family

ID=23286853

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9504574A BR9504574A (pt) 1994-10-26 1995-10-26 Processo de diminuir a quantidade de líquido que resta com pasta de grau branqueável

Country Status (5)

Country Link
EP (1) EP0709521A1 (no)
BR (1) BR9504574A (no)
CA (1) CA2159748A1 (no)
FI (1) FI955110A (no)
NO (1) NO954193L (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0102012L (sv) * 2001-06-07 2002-12-08 Metso Paper Inc Tvättning av massa
US6706144B1 (en) * 2002-06-18 2004-03-16 Ondeo Nalco Company Method of dewatering pulp
KR20160082540A (ko) * 2013-11-08 2016-07-08 솔레니스 테크놀러지스, 엘.피. 초지기 배수제 및 지력 강화제를 위한 계면활성제 기반 브라운 스톡 세척 보조제 처리법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO167311C (no) * 1984-09-19 1991-10-23 Henkel Corp Fremgangsmaate for fjerning av brukte eller overskytende kokekjemikalier.
JPH0663188B2 (ja) * 1985-04-18 1994-08-17 株式会社片山化学工業研究所 紙・パルプ工場におけるピツチ障害抑制方法
US4744865A (en) 1986-06-03 1988-05-17 Betz Laboratories, Inc. Process for controlling pitch deposition from pulp in papermaking systems
JPH05302284A (ja) * 1992-04-22 1993-11-16 New Oji Paper Co Ltd 未晒クラフトパルプの洗浄方法
US5405498A (en) * 1993-06-22 1995-04-11 Betz Paperchem, Inc. Method for improving pulp washing efficiency

Also Published As

Publication number Publication date
NO954193L (no) 1996-04-29
EP0709521A1 (en) 1996-05-01
FI955110A (fi) 1996-04-27
FI955110A0 (fi) 1995-10-26
NO954193D0 (no) 1995-10-20
CA2159748A1 (en) 1996-04-27

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law