CA2144433A1 - Improved bleaching of high consistency lignocellulosic pulp - Google Patents

Improved bleaching of high consistency lignocellulosic pulp

Info

Publication number
CA2144433A1
CA2144433A1 CA002144433A CA2144433A CA2144433A1 CA 2144433 A1 CA2144433 A1 CA 2144433A1 CA 002144433 A CA002144433 A CA 002144433A CA 2144433 A CA2144433 A CA 2144433A CA 2144433 A1 CA2144433 A1 CA 2144433A1
Authority
CA
Canada
Prior art keywords
pulp
bleaching
lignocellulosic
brightness
specific surface
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.)
Abandoned
Application number
CA002144433A
Other languages
English (en)
French (fr)
Inventor
Thomas P. Gandek
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.)
Union Camp Patent Holding Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2144433A1 publication Critical patent/CA2144433A1/en
Abandoned 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
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/007—Modification of pulp properties by mechanical or physical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
CA002144433A 1992-10-01 1993-09-28 Improved bleaching of high consistency lignocellulosic pulp Abandoned CA2144433A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US95500192A 1992-10-01 1992-10-01
US07/955,001 1992-10-01
US2754493A 1993-03-05 1993-03-05
US08/027,544 1993-03-05

Publications (1)

Publication Number Publication Date
CA2144433A1 true CA2144433A1 (en) 1994-04-14

Family

ID=26702594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002144433A Abandoned CA2144433A1 (en) 1992-10-01 1993-09-28 Improved bleaching of high consistency lignocellulosic pulp

Country Status (14)

Country Link
EP (1) EP0663030A4 (ko)
JP (1) JPH08502327A (ko)
KR (1) KR950703683A (ko)
CN (1) CN1104274A (ko)
AU (1) AU671159B2 (ko)
BR (1) BR9307135A (ko)
CA (1) CA2144433A1 (ko)
FI (1) FI951533A0 (ko)
ID (1) ID925B (ko)
MY (1) MY110586A (ko)
NO (1) NO951190L (ko)
NZ (1) NZ256783A (ko)
RU (1) RU2115780C1 (ko)
WO (1) WO1994008087A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018049522A1 (en) * 2016-09-14 2018-03-22 Fpinnovations Method of transforming high consistency pulp fibers into pre-dispersed semi-dry and dry fibrous materials

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9508224A (pt) * 1994-07-14 1997-10-28 Union Camp Patent Holding Processo tendo seletividade aumentada para alvejamento de polpa lignocelulósica alvejada
US5667974A (en) * 1995-06-07 1997-09-16 Abbott Laboratories Method for detecting nucleic acid sequences using competitive amplification
CN100345955C (zh) * 2006-02-25 2007-10-31 武汉市神虫液蜂蜜酒业有限公司 纯蜂蜜酒的酿造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902859A (en) * 1969-11-26 1972-06-20 Pulp And Paper Research Institute Of Canada Chemical reaction between a solid and a gas
NO131996C (ko) * 1973-10-04 1975-09-03 Papirind Forskningsinst
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
SE419603B (sv) * 1979-11-27 1981-08-17 Kamyr Ab Apparat for inblandning av behandlingsmedel i suspensioner
AU638017B2 (en) * 1990-05-17 1993-06-17 Union Camp Corporation Environmentally improved process for bleaching lignocellulosic materials
EP0492040A1 (en) * 1990-12-21 1992-07-01 Kamyr, Inc. Tumbling ozone reactor for paper pulp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018049522A1 (en) * 2016-09-14 2018-03-22 Fpinnovations Method of transforming high consistency pulp fibers into pre-dispersed semi-dry and dry fibrous materials
EP3512996A4 (en) * 2016-09-14 2020-05-20 FPInnovations PROCESS FOR CONVERTING HIGH CONSISTENCY PULP FIBERS INTO SEMI-DRY AND DRIED PRE-DISPERSED FIBROUS MATERIALS
US11834785B2 (en) 2016-09-14 2023-12-05 Fpinnovations Method of transforming high consistency pulp fibers into pre-dispersed semi-dry and dry fibrous materials

Also Published As

Publication number Publication date
NO951190D0 (no) 1995-03-28
EP0663030A1 (en) 1995-07-19
WO1994008087A1 (en) 1994-04-14
ID925B (id) 1996-09-16
MY110586A (en) 1998-08-29
RU95110663A (ru) 1997-04-10
NO951190L (no) 1995-03-28
BR9307135A (pt) 1999-07-27
RU2115780C1 (ru) 1998-07-20
JPH08502327A (ja) 1996-03-12
NZ256783A (en) 1996-08-27
KR950703683A (ko) 1995-09-20
AU5166593A (en) 1994-04-26
FI951533A (fi) 1995-03-31
EP0663030A4 (en) 1995-12-06
CN1104274A (zh) 1995-06-28
FI951533A0 (fi) 1995-03-31
AU671159B2 (en) 1996-08-15

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued