RU93058344A - HIGH EFFICIENCY METHOD OF BLEACHING CHLORIDE PULP PULP - Google Patents
HIGH EFFICIENCY METHOD OF BLEACHING CHLORIDE PULP PULPInfo
- Publication number
- RU93058344A RU93058344A RU93058344/12A RU93058344A RU93058344A RU 93058344 A RU93058344 A RU 93058344A RU 93058344/12 A RU93058344/12 A RU 93058344/12A RU 93058344 A RU93058344 A RU 93058344A RU 93058344 A RU93058344 A RU 93058344A
- Authority
- RU
- Russia
- Prior art keywords
- pulp
- bleaching
- high efficiency
- chloride
- efficiency method
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title claims 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N Chlorine dioxide Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims 6
- 239000004155 Chlorine dioxide Substances 0.000 claims 3
- 229920001131 Pulp (paper) Polymers 0.000 claims 3
- 235000019398 chlorine dioxide Nutrition 0.000 claims 3
- 238000005352 clarification Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 230000003993 interaction Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000001590 oxidative Effects 0.000 claims 1
Claims (1)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US649848 | 1984-09-11 | ||
US07/649,848 US5268075A (en) | 1989-10-19 | 1991-02-01 | High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process |
US649.848 | 1991-02-01 | ||
PCT/US1992/000769 WO1992013991A1 (en) | 1991-02-01 | 1992-01-29 | High efficiency chlorine dioxide pulp bleaching process |
Publications (2)
Publication Number | Publication Date |
---|---|
RU93058344A true RU93058344A (en) | 1996-03-20 |
RU2091530C1 RU2091530C1 (en) | 1997-09-27 |
Family
ID=24606473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU9293058344A RU2091530C1 (en) | 1991-02-01 | 1992-01-29 | Method of groundwood pulp bleaching |
Country Status (11)
Country | Link |
---|---|
US (1) | US5268075A (en) |
EP (1) | EP0576541B1 (en) |
JP (1) | JPH06510335A (en) |
CN (1) | CN1041541C (en) |
AU (1) | AU1467892A (en) |
CA (1) | CA2101752A1 (en) |
DE (1) | DE69228872D1 (en) |
FI (1) | FI933409A (en) |
PL (1) | PL170541B3 (en) |
RU (1) | RU2091530C1 (en) |
WO (1) | WO1992013991A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI119383B (en) * | 1998-03-06 | 2008-10-31 | Andritz Oy | Procedure for treating pulp |
CN1100177C (en) * | 2000-07-20 | 2003-01-29 | 华南理工大学 | High-temp ClO2 bleaching method of sulfated wood pulp |
US20060201642A1 (en) * | 2005-03-08 | 2006-09-14 | Andritz Inc. | Methods of treating chemical cellulose pulp |
PT2082096E (en) * | 2006-10-11 | 2013-04-26 | Akzo Nobel Nv | Bleaching of pulp |
US8920603B2 (en) * | 2006-10-11 | 2014-12-30 | Akzo Nobel N.V. | Bleaching of pulp |
US9057156B2 (en) * | 2010-12-22 | 2015-06-16 | Skzo Nobel Chemicals International B.V. | Process for improving chlorine dioxide bleaching of pulp |
FR3062138B1 (en) | 2017-01-23 | 2019-06-07 | Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses | PROCESS FOR WHITENING A PAPER PULP |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3433702A (en) * | 1965-06-28 | 1969-03-18 | Hooker Chemical Corp | Woodpulp bleaching process |
US3884752A (en) * | 1973-09-17 | 1975-05-20 | Int Paper Co | Single vessel wood pulp bleaching with chlorine dioxide followed by sodium hypochlorite or alkaline extraction |
FR2432574A1 (en) * | 1978-08-01 | 1980-02-29 | Europeen Cellulose | PROCESS FOR BLEACHING PAPER PULP |
SE442880B (en) * | 1980-11-27 | 1986-02-03 | Mo Och Domsjoe Ab | PROCEDURE FOR DELIGNIFICATION / WHITING OF CELLULOSAMASSA WITH CHLORIDE Dioxide / CHLORINE IN THE SAME STEP |
SE8106334L (en) * | 1981-10-27 | 1983-04-28 | Sunds Defibrator | SETTLE TO TREAT CELLULOSIC MATERIAL |
WO1991005909A1 (en) * | 1989-10-19 | 1991-05-02 | North Carolina State University | High efficiency chlorine dioxide pulp bleaching process |
-
1991
- 1991-02-01 US US07/649,848 patent/US5268075A/en not_active Expired - Lifetime
-
1992
- 1992-01-29 RU RU9293058344A patent/RU2091530C1/en active
- 1992-01-29 DE DE69228872T patent/DE69228872D1/en not_active Expired - Lifetime
- 1992-01-29 EP EP92907930A patent/EP0576541B1/en not_active Revoked
- 1992-01-29 AU AU14678/92A patent/AU1467892A/en not_active Abandoned
- 1992-01-29 WO PCT/US1992/000769 patent/WO1992013991A1/en not_active Application Discontinuation
- 1992-01-29 PL PL92304179A patent/PL170541B3/en unknown
- 1992-01-29 JP JP4507239A patent/JPH06510335A/en active Pending
- 1992-01-29 CA CA002101752A patent/CA2101752A1/en not_active Abandoned
- 1992-01-31 CN CN92101192A patent/CN1041541C/en not_active Expired - Fee Related
-
1993
- 1993-07-30 FI FI933409A patent/FI933409A/en unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI874113A (en) | FOERFARANDE FOER BEHANDLING AV PAPPERSMASSA MED ENTZYMLOESNING. | |
GB9018426D0 (en) | Improvements in or relating to novel compounds | |
ATE123787T1 (en) | PRODUCTION OF PERFLUORPOLYETHERS CONTAINING PEROXIDE. | |
DE3775683D1 (en) | PRODUCTION OF AROMATIC CARBONIC ACIDS. | |
DE3778857D1 (en) | CATALYTIC PRODUCTION OF OPTICALLY ACTIVE CARBONIC ACIDS. | |
FI855038A (en) | FLERSTEGSFOERFARANDE FOER BLEKNING AV HOEGUTBYTES- OCH ULTRAHOEGUTBYTESMASSOR. | |
SE9001187D0 (en) | OXYGEN BLEACHING WITH BETWEEN STAGE WASHING | |
DE3884696D1 (en) | Production of corrosion-resistant steels. | |
FI873234A (en) | BLEKNINGSFOERFARANDE OCH -SAMMANSAETTNING. | |
FI943753A (en) | Production process of oxidized white liquor | |
ATE48290T1 (en) | PROCESSES FOR DELIGNIFICATION AND BLEACHING OF PULP. | |
DE3850244D1 (en) | Production of polymorphically pure terfenadine. | |
CA2056605A1 (en) | Method of producing pulp | |
ATE149551T1 (en) | SULFUR DYE PREPARATIONS AND THEIR PRODUCTION | |
RU93058344A (en) | HIGH EFFICIENCY METHOD OF BLEACHING CHLORIDE PULP PULP | |
DE69219622D1 (en) | PRODUCTION OF OPTICALLY ACTIVE ALIPHATIC CARBONIC ACIDS | |
FI944992A0 (en) | Preparation of polysulfide in white liquor | |
DE3778134D1 (en) | CONTINUOUS PRODUCTION OF DIALKANESULFONYL PEROXIDES. | |
NZ235754A (en) | Bleaching wood pulp with chlorine dioxide first at ph of 5 to 10 then at ph of 1.9 to 4.2 | |
AU586298B2 (en) | Method in the bleaching of cellulose pulp | |
ES2073880T3 (en) | BLEACHING PROCEDURE OF PLANT MATTERS IN TWO STAGES. | |
EP0576541A4 (en) | High efficiency chlorine dioxide pulp bleaching process | |
DE69313099D1 (en) | PRODUCTION OF OPTICALLY ACTIVE ALIPHATIC CARBONIC ACIDS | |
ATE83217T1 (en) | PRODUCTION OF CHLORINE DIOXIDE. | |
DE69117180D1 (en) | ELECTROCHEMICAL PRODUCTION OF ACID CHLORATE SOLUTIONS |