PL164745B1 - Sposób bielenia pulpy drzewnej dwutlenkiem chloru PL PL PL - Google Patents

Sposób bielenia pulpy drzewnej dwutlenkiem chloru PL PL PL

Info

Publication number: PL164745B1
Authority: PL; Poland
Prior art keywords: bleaching; stage; chlorine dioxide; mixture; approximately
Prior art date: 1989-10-19

Application number

PL90287415A

Other languages

English (en)

Polish (pl)

Other versions

PL287415A1 (en

Inventor

Hou-Min Chang

Hasan Jameel

Geoffrey E 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.)

1989-10-19

Filing date

1990-10-19

Publication date

1994-10-31

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=PL164745(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1990-10-19 Application filed by Univ North Carolina State filed Critical Univ North Carolina State

1991-09-23 Publication of PL287415A1 publication Critical patent/PL287415A1/xx

1994-10-31 Publication of PL164745B1 publication Critical patent/PL164745B1/pl

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)

PL90287415A 1989-10-19 1990-10-19 Sposób bielenia pulpy drzewnej dwutlenkiem chloru PL PL PL PL164745B1 (pl)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
PL287415A1 PL287415A1 (en)	1991-09-23
PL164745B1 true PL164745B1 (pl)	1994-10-31

Family

ID=23682296

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PL90287415A PL164745B1 (pl)	1989-10-19	1990-10-19	Sposób bielenia pulpy drzewnej dwutlenkiem chloru PL PL PL

Country Status (12)

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

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

1990
- 1990-10-17 ES ES90915570T patent/ES2085358T3/es not_active Expired - Lifetime
- 1990-10-17 AU AU65376/90A patent/AU6537690A/en not_active Abandoned
- 1990-10-17 CA CA002069322A patent/CA2069322A1/en not_active Abandoned
- 1990-10-17 WO PCT/US1990/005825 patent/WO1991005909A1/en not_active Ceased
- 1990-10-17 DE DE69026105T patent/DE69026105T2/de not_active Revoked
- 1990-10-17 EP EP90915570A patent/EP0496782B1/en not_active Revoked
- 1990-10-18 NZ NZ235754A patent/NZ235754A/xx unknown
- 1990-10-18 ZA ZA908341A patent/ZA908341B/xx unknown
- 1990-10-19 PL PL90287415A patent/PL164745B1/pl unknown
- 1990-10-19 MX MX022931A patent/MX172853B/es unknown
- 1990-10-19 AR AR90318139A patent/AR243945A1/es active
- 1990-10-19 CN CN90109504A patent/CN1052157A/zh active Pending

Also Published As

Publication number	Publication date
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
MX172853B (es)	1994-01-17
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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