CN1209480A - 在ecf漂白中使用臭氧的方法 - Google Patents

在ecf漂白中使用臭氧的方法 Download PDF

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Publication number
CN1209480A
CN1209480A CN98118627A CN98118627A CN1209480A CN 1209480 A CN1209480 A CN 1209480A CN 98118627 A CN98118627 A CN 98118627A CN 98118627 A CN98118627 A CN 98118627A CN 1209480 A CN1209480 A CN 1209480A
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CN
China
Prior art keywords
bleaching
ozone
section
paper pulp
reaction
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
CN98118627A
Other languages
English (en)
Chinese (zh)
Inventor
J·L·克罗德特
A·C·H·德布利托
E·萨尔瓦多尔
M·R·达斯尔瓦
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.)
Praxair Technology Inc
Original Assignee
Praxair Technology 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 Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of CN1209480A publication Critical patent/CN1209480A/zh
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1057Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/24Continuous processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/26Multistage processes
    • D21C3/263Multistage processes at least one stage being in presence of oxygen
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/16Bleaching ; Apparatus therefor with per compounds

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CN98118627A 1997-08-25 1998-08-21 在ecf漂白中使用臭氧的方法 Pending CN1209480A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US917,235 1978-06-20
US91723597A 1997-08-25 1997-08-25

Publications (1)

Publication Number Publication Date
CN1209480A true CN1209480A (zh) 1999-03-03

Family

ID=25438514

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98118627A Pending CN1209480A (zh) 1997-08-25 1998-08-21 在ecf漂白中使用臭氧的方法

Country Status (6)

Country Link
EP (1) EP0905307A1 (id)
KR (1) KR19990023814A (id)
CN (1) CN1209480A (id)
BR (1) BR9803217A (id)
CA (1) CA2245535A1 (id)
ID (1) ID23571A (id)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111979822A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种适合无元素氯(ecf)短程序漂白的顺序漂白工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102995478B (zh) * 2011-09-09 2015-04-15 吉林化纤集团有限责任公司 一种制备高质量低污染竹材溶解浆的漂白方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
SE467260B (sv) * 1989-12-29 1992-06-22 Kamyr Ab Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
CA2063591C (en) * 1990-05-17 1998-02-03 Bruce F. Griggs Environmentally improved process for bleaching lignocellulosic materials
SE470065C (sv) * 1991-04-30 1996-01-15 Eka Nobel Ab Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111979822A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种适合无元素氯(ecf)短程序漂白的顺序漂白工艺

Also Published As

Publication number Publication date
ID23571A (id) 2000-05-04
KR19990023814A (ko) 1999-03-25
EP0905307A1 (en) 1999-03-31
CA2245535A1 (en) 1999-02-25
BR9803217A (pt) 1999-11-03

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Delignification MANAGEMENT SUMMARY
Lindstrom et al. The Evolution of Low Emission Pulp Mill Technology

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication