ES8205285A1 - Procedimiento y aparato para la deslignificacion continua con oxigeno de pulpas de consistencia media - Google Patents

Procedimiento y aparato para la deslignificacion continua con oxigeno de pulpas de consistencia media

Info

Publication number
ES8205285A1
ES8205285A1 ES505210A ES505210A ES8205285A1 ES 8205285 A1 ES8205285 A1 ES 8205285A1 ES 505210 A ES505210 A ES 505210A ES 505210 A ES505210 A ES 505210A ES 8205285 A1 ES8205285 A1 ES 8205285A1
Authority
ES
Spain
Prior art keywords
pulp
reaction zone
oxygen
mixture
oxygen delignification
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.)
Expired
Application number
ES505210A
Other languages
English (en)
Spanish (es)
Other versions
ES505210A0 (es
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.)
Air Products and Chemicals Inc
Black Clawson Co
Original Assignee
Air Products and Chemicals Inc
Black Clawson Co
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 Air Products and Chemicals Inc, Black Clawson Co filed Critical Air Products and Chemicals Inc
Publication of ES505210A0 publication Critical patent/ES505210A0/es
Publication of ES8205285A1 publication Critical patent/ES8205285A1/es
Expired 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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
ES505210A 1980-09-05 1981-09-04 Procedimiento y aparato para la deslignificacion continua con oxigeno de pulpas de consistencia media Expired ES8205285A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18451480A 1980-09-05 1980-09-05

Publications (2)

Publication Number Publication Date
ES505210A0 ES505210A0 (es) 1982-06-01
ES8205285A1 true ES8205285A1 (es) 1982-06-01

Family

ID=22677195

Family Applications (1)

Application Number Title Priority Date Filing Date
ES505210A Expired ES8205285A1 (es) 1980-09-05 1981-09-04 Procedimiento y aparato para la deslignificacion continua con oxigeno de pulpas de consistencia media

Country Status (8)

Country Link
EP (1) EP0047656A1 (fr)
JP (1) JPS57121687A (fr)
AU (1) AU543014B2 (fr)
CA (1) CA1176408A (fr)
ES (1) ES8205285A1 (fr)
FI (1) FI812725L (fr)
NO (1) NO813009L (fr)
ZA (1) ZA816105B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA918978A (en) * 1970-01-08 1973-01-16 G. Jamieson Allan Oxygen bleaching
JPS5119481B2 (fr) * 1973-08-30 1976-06-17
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp

Also Published As

Publication number Publication date
JPS57121687A (en) 1982-07-29
CA1176408A (fr) 1984-10-23
AU543014B2 (en) 1985-03-28
AU7492281A (en) 1982-03-11
ES505210A0 (es) 1982-06-01
ZA816105B (en) 1982-09-29
EP0047656A1 (fr) 1982-03-17
FI812725A7 (fi) 1982-03-06
FI812725L (fi) 1982-03-06
NO813009L (no) 1982-03-08

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