JPH10506965A - 漂白に関連したキレート化剤と酸化剤とによる化学パルプの処理 - Google Patents

漂白に関連したキレート化剤と酸化剤とによる化学パルプの処理

Info

Publication number
JPH10506965A
JPH10506965A JP8512520A JP51252095A JPH10506965A JP H10506965 A JPH10506965 A JP H10506965A JP 8512520 A JP8512520 A JP 8512520A JP 51252095 A JP51252095 A JP 51252095A JP H10506965 A JPH10506965 A JP H10506965A
Authority
JP
Japan
Prior art keywords
pulp
range
bleaching
chelating agent
chelating
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.)
Pending
Application number
JP8512520A
Other languages
English (en)
Japanese (ja)
Inventor
ゲールムゴールド，ユールフ
ブーマーン，ロルフ
ハーフベンストローム，ケネス
リンドクイスト，ヨナス
Original Assignee
シユンドス・デフイブラトール・インダストリーズ・アクテイエボラーグ
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 シユンドス・デフイブラトール・インダストリーズ・アクテイエボラーグ filed Critical シユンドス・デフイブラトール・インダストリーズ・アクテイエボラーグ
Publication of JPH10506965A publication Critical patent/JPH10506965A/ja
Pending 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
JP8512520A 1994-10-07 1995-10-05 漂白に関連したキレート化剤と酸化剤とによる化学パルプの処理 Pending JPH10506965A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9403396A SE504826C2 (sv) 1994-10-07 1994-10-07 Behandling av kemisk massa med komplexbildare i närvaro av ett oxidationsmedel
SE9403396-6 1994-10-07
PCT/SE1995/001135 WO1996011298A1 (en) 1994-10-07 1995-10-05 Treatment of chemical pulp with a chelating agent and an oxidizing agent in connection with bleaching

Publications (1)

Publication Number Publication Date
JPH10506965A true JPH10506965A (ja) 1998-07-07

Family

ID=20395512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8512520A Pending JPH10506965A (ja) 1994-10-07 1995-10-05 漂白に関連したキレート化剤と酸化剤とによる化学パルプの処理

Country Status (10)

Country Link
EP (1) EP0784720A1 (sv)
JP (1) JPH10506965A (sv)
CN (1) CN1159842A (sv)
AU (1) AU686024B2 (sv)
BR (1) BR9509253A (sv)
CA (1) CA2199257A1 (sv)
FI (1) FI971401A (sv)
NO (1) NO971536D0 (sv)
SE (1) SE504826C2 (sv)
WO (1) WO1996011298A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2189412C2 (ru) * 1996-09-11 2002-09-20 Солвей Интерокс (Сосьете Аноним) Способ отбеливания бумажной массы
BE1010617A3 (fr) * 1996-09-11 1998-11-03 Solvay Interox Procede de blanchiment de pate a papier.
BE1010678A3 (fr) * 1996-10-11 1998-11-03 Solvay Interox Procede de delignification et de blanchiment de pate a papier chimique.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420430B (sv) * 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
ATE97179T1 (de) * 1989-06-06 1993-11-15 Eka Nobel Ab Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.

Also Published As

Publication number Publication date
FI971401A0 (sv) 1997-04-04
AU3712495A (en) 1996-05-02
CA2199257A1 (en) 1996-04-18
NO971536L (no) 1997-04-04
CN1159842A (zh) 1997-09-17
SE9403396D0 (sv) 1994-10-07
AU686024B2 (en) 1998-01-29
SE504826C2 (sv) 1997-05-12
NO971536D0 (no) 1997-04-04
FI971401A (sv) 1997-04-04
WO1996011298A1 (en) 1996-04-18
EP0784720A1 (en) 1997-07-23
BR9509253A (pt) 1997-10-21
SE9403396L (sv) 1996-04-08

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