CA975111A - Bleaching cellulosic pulp - Google Patents
Bleaching cellulosic pulpInfo
- Publication number
- CA975111A CA975111A CA130,453A CA130453A CA975111A CA 975111 A CA975111 A CA 975111A CA 130453 A CA130453 A CA 130453A CA 975111 A CA975111 A CA 975111A
- Authority
- CA
- Canada
- Prior art keywords
- cellulosic pulp
- bleaching cellulosic
- bleaching
- pulp
- cellulosic
- 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
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
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10899571A | 1971-01-22 | 1971-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA975111A true CA975111A (en) | 1975-09-30 |
Family
ID=22325250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA130,453A Expired CA975111A (en) | 1971-01-22 | 1971-12-17 | Bleaching cellulosic pulp |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5020601B1 (en) |
AU (1) | AU458729B2 (en) |
BR (1) | BR7200385D0 (en) |
CA (1) | CA975111A (en) |
DE (1) | DE2202662A1 (en) |
ES (1) | ES399036A1 (en) |
FR (1) | FR2122963A5 (en) |
IT (1) | IT946779B (en) |
NL (1) | NL7200822A (en) |
SE (1) | SE390991B (en) |
SU (1) | SU605555A3 (en) |
ZA (1) | ZA718559B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI884507A (en) * | 1987-10-05 | 1989-04-06 | Champion Int Corp | FOERMINSKNING AV FAERG I PAPPERSFABRIKSAVFALLSVATTEN GENOM OXIDERING MED KLORDIOXID. |
-
1971
- 1971-12-17 CA CA130,453A patent/CA975111A/en not_active Expired
- 1971-12-22 ZA ZA718559A patent/ZA718559B/en unknown
- 1971-12-23 AU AU37265/71A patent/AU458729B2/en not_active Expired
-
1972
- 1972-01-12 SU SU721737114A patent/SU605555A3/en active
- 1972-01-19 ES ES399036A patent/ES399036A1/en not_active Expired
- 1972-01-19 FR FR7201731A patent/FR2122963A5/en not_active Expired
- 1972-01-20 DE DE19722202662 patent/DE2202662A1/en active Pending
- 1972-01-20 NL NL7200822A patent/NL7200822A/xx unknown
- 1972-01-21 JP JP47008244A patent/JPS5020601B1/ja active Pending
- 1972-01-21 SE SE7200707A patent/SE390991B/en unknown
- 1972-01-21 IT IT19638/72A patent/IT946779B/en active
- 1972-01-24 BR BR385/72A patent/BR7200385D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
SU605555A3 (en) | 1978-04-30 |
ZA718559B (en) | 1972-09-27 |
NL7200822A (en) | 1972-07-25 |
JPS5020601B1 (en) | 1975-07-16 |
SE390991B (en) | 1977-01-31 |
AU458729B2 (en) | 1975-03-06 |
IT946779B (en) | 1973-05-21 |
ES399036A1 (en) | 1975-06-01 |
FR2122963A5 (en) | 1972-09-01 |
BR7200385D0 (en) | 1973-07-17 |
AU3726571A (en) | 1973-06-28 |
DE2202662A1 (en) | 1972-08-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU462469B2 (en) | A process for bleaching cellulose pulp | |
CA902861A (en) | Bleaching of cellulosic pulp | |
CA966604A (en) | Kraft pulp bleaching and recovery process | |
CA941655A (en) | Pulp refiners | |
CA943707A (en) | Delignification of chemical cellulosic pulp | |
CA933307A (en) | Lignin-preserving bleaching of cellulose pulp | |
AU465584B2 (en) | Pulp mill chemicals | |
AU470457B2 (en) | Bleaching cellulose | |
CA980513A (en) | Bleaching of waste paper pulp | |
AU475331B2 (en) | Paper, pulp and pulping process | |
CA864409A (en) | Pulp bleaching process | |
CA968507A (en) | Bleaching of mechanical pulps | |
CA975111A (en) | Bleaching cellulosic pulp | |
CA939855A (en) | Oxygen-peracetic acid-chlorine dioxide pulp bleaching sequence | |
CA886480A (en) | Bleaching cellulosic materials | |
AU477047B2 (en) | Bleaching lignocellulosic pulp | |
CA861979A (en) | Pulp bleaching process | |
AU461389B2 (en) | Bleaching of cellulosic pulp | |
CA899005A (en) | Bleaching of cellulosic pulp | |
CA779176A (en) | Bleaching of cellulosic pulp | |
CA973311A (en) | Method of bleaching cellulose pulp | |
CA810570A (en) | Pulp bleaching | |
CA792160A (en) | Bleaching of cellulose pulp | |
CA810571A (en) | Bleaching groundwood pulp | |
CA897360A (en) | Bleaching of wood pulp |