MX172853B - Procedimiento de alta eficiencia para blanquear pasta con dioxido de cloro. - Google Patents

Procedimiento de alta eficiencia para blanquear pasta con dioxido de cloro.

Info

Publication number
MX172853B
MX172853B MX022931A MX2293190A MX172853B MX 172853 B MX172853 B MX 172853B MX 022931 A MX022931 A MX 022931A MX 2293190 A MX2293190 A MX 2293190A MX 172853 B MX172853 B MX 172853B
Authority
MX
Mexico
Prior art keywords
chlorine dioxide
pasta
whitening
high efficiency
bleaching
Prior art date
Application number
MX022931A
Other languages
English (en)
Spanish (es)
Inventor
Hou-Min Chang
Hasan Jameel
Geoffrey Eugene Seger
Original Assignee
Univ North Carolina State
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23682296&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX172853(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Univ North Carolina State filed Critical Univ North Carolina State
Publication of MX172853B publication Critical patent/MX172853B/es

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Noodles (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
MX022931A 1989-10-19 1990-10-19 Procedimiento de alta eficiencia para blanquear pasta con dioxido de cloro. MX172853B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42434789A 1989-10-19 1989-10-19

Publications (1)

Publication Number Publication Date
MX172853B true MX172853B (es) 1994-01-17

Family

ID=23682296

Family Applications (1)

Application Number Title Priority Date Filing Date
MX022931A MX172853B (es) 1989-10-19 1990-10-19 Procedimiento de alta eficiencia para blanquear pasta con dioxido de cloro.

Country Status (12)

Country Link
EP (1) EP0496782B1 (pl)
CN (1) CN1052157A (pl)
AR (1) AR243945A1 (pl)
AU (1) AU6537690A (pl)
CA (1) CA2069322A1 (pl)
DE (1) DE69026105T2 (pl)
ES (1) ES2085358T3 (pl)
MX (1) MX172853B (pl)
NZ (1) NZ235754A (pl)
PL (1) PL164745B1 (pl)
WO (1) WO1991005909A1 (pl)
ZA (1) ZA908341B (pl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
BR9901291B1 (pt) * 1999-04-27 2011-11-01 processo para branqueamento de polpas quìmicas de baixa consistência.
SE524896C2 (sv) * 2003-03-07 2004-10-19 Kvaerner Pulping Tech Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna
CN101171386B (zh) * 2005-05-04 2011-11-16 诺维信北美公司 二氧化氯处理组合物和方法
FI122626B (fi) * 2006-03-31 2012-04-30 Laennen Tutkimus Western Res Inc Oy Kemiallisen massan valkaisumenetelmä
CN103469663B (zh) * 2013-08-13 2016-05-04 广西大学 一种通过响应面法优化纸浆二氧化氯漂白方法
FR3062138B1 (fr) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Procede de blanchiment d'une pate a papier
CN111979818A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种硫酸盐木浆短程序ecf漂白工艺x/z/d-eop-d或x/d/z-eop-d

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433702A (en) * 1965-06-28 1969-03-18 Hooker Chemical Corp Woodpulp bleaching process
CA1004805A (en) * 1973-10-18 1977-02-08 Louis O. Torregrossa Non-neutral bleaching of pulp
FR2432574A1 (fr) * 1978-08-01 1980-02-29 Europeen Cellulose Procede de blanchiment de pate a papier
SE8106334L (sv) * 1981-10-27 1983-04-28 Sunds Defibrator Sett att behandla cellulosahaltigt material
CA1239253A (en) * 1983-05-20 1988-07-19 Louis O. Torregrossa Method of chlorine dioxide bleaching

Also Published As

Publication number Publication date
PL164745B1 (pl) 1994-10-31
EP0496782A1 (en) 1992-08-05
EP0496782A4 (en) 1993-02-03
DE69026105T2 (de) 1996-09-26
PL287415A1 (en) 1991-09-23
AR243945A1 (es) 1993-09-30
DE69026105D1 (de) 1996-04-25
ZA908341B (en) 1991-08-28
CN1052157A (zh) 1991-06-12
NZ235754A (en) 1993-03-26
WO1991005909A1 (en) 1991-05-02
EP0496782B1 (en) 1996-03-20
AU6537690A (en) 1991-05-16
CA2069322A1 (en) 1991-04-20
ES2085358T3 (es) 1996-06-01

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