CA1239253A - Blanchiment a l'aide de dioxyde de chlore - Google Patents

Blanchiment a l'aide de dioxyde de chlore

Info

Publication number
CA1239253A
CA1239253A CA000454143A CA454143A CA1239253A CA 1239253 A CA1239253 A CA 1239253A CA 000454143 A CA000454143 A CA 000454143A CA 454143 A CA454143 A CA 454143A CA 1239253 A CA1239253 A CA 1239253A
Authority
CA
Canada
Prior art keywords
pulp
chlorine dioxide
recited
caustic
practiced
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
CA000454143A
Other languages
English (en)
Inventor
Louis O. Torregrossa
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.)
Kamyr Inc
Original Assignee
Kamyr 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
Application filed by Kamyr Inc filed Critical Kamyr Inc
Application granted granted Critical
Publication of CA1239253A publication Critical patent/CA1239253A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Paper (AREA)
CA000454143A 1983-05-20 1984-05-11 Blanchiment a l'aide de dioxyde de chlore Expired CA1239253A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49647083A 1983-05-20 1983-05-20
US496,470 1983-05-20

Publications (1)

Publication Number Publication Date
CA1239253A true CA1239253A (fr) 1988-07-19

Family

ID=23972771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000454143A Expired CA1239253A (fr) 1983-05-20 1984-05-11 Blanchiment a l'aide de dioxyde de chlore

Country Status (1)

Country Link
CA (1) CA1239253A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0496782B1 (fr) * 1989-10-19 1996-03-20 North Carolina State University Procede de blanchiment de cellulose hautement efficace a l'aide de dioxyde de chlore

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0496782B1 (fr) * 1989-10-19 1996-03-20 North Carolina State University Procede de blanchiment de cellulose hautement efficace a l'aide de dioxyde de chlore

Similar Documents

Publication Publication Date Title
CA2067295C (fr) Procede de blanchiment de matiere contenant de la lignocellulose
CA2040871C (fr) Procede de blanchiment de materiau contenant de la lignocellulose
GB2227759A (en) Hydrogen peroxide bleaching process
CA1332262C (fr) Blanchiment avec des melanges ozone-chlore
CA2074715C (fr) Methode de blanchiment de matiere ligno-cellulosique
CA1239253A (fr) Blanchiment a l'aide de dioxyde de chlore
US11384480B2 (en) Method for bleaching paper pulp
FI73020C (fi) Foerfarande foer delignifiering/blekning av cellulosamassa.
CN1041541C (zh) 二氧化氯纸浆漂白法
EP1418269B1 (fr) Procédé de blanchiment des pates mecaniques
KR950013196B1 (ko) 고밀도하 산소에 의해 리그닌을 제거하는 공정 중 펄프의 리그닌 제거 선택도를 향상시키는 방법
CA2067750A1 (fr) Procede de blanchiment de pate au bioxyde de chlore faisant appel a l'ajout sequence de chlore
NZ237019A (en) Bleaching paper pulp by initially treating with oxygen and/or hydrogen peroxide and subsequently treating with a bleaching agent without intervening washing steps
RU2071518C1 (ru) Способ кислородной делигнификации небеленой целлюлозной массы
US20030168190A1 (en) Method for controlling the delignfication and bleaching of a pulp suspension
Yetis et al. Reducing chlorinated organics, AOX, in the bleachery effluents of a Turkish pulp and paper plant
JP3754687B2 (ja) 熱退色性の改良された漂白クラフトパルプの製造方法
US20040211533A1 (en) Method for bleaching and color stripping recycled fibers
CA3049171C (fr) Procede de blanchiment d'une pate a papier
WO1988001661A1 (fr) Procede de blanchiment de pulpes
US20030155086A1 (en) Process for bleaching a lignocellulosic pulp
FI68683B (fi) Saett att behandla lignocellulosahaltigt material
JP2002517621A (ja) リグノセルロース系材料の選択的脱リグニン方法
SE442880B (sv) Forfarande for delignifiering/blekning av cellulosamassa med klordioxid/klor i samma steg
Hart et al. Competing/parallel reaction of chlorine and chlorine dioxide during kraft pulp bleaching

Legal Events

Date Code Title Description
MKEX Expiry