JPS55142787A - Bleaching of cellulosic fiber substance - Google Patents
Bleaching of cellulosic fiber substanceInfo
- Publication number
- JPS55142787A JPS55142787A JP4818480A JP4818480A JPS55142787A JP S55142787 A JPS55142787 A JP S55142787A JP 4818480 A JP4818480 A JP 4818480A JP 4818480 A JP4818480 A JP 4818480A JP S55142787 A JPS55142787 A JP S55142787A
- Authority
- JP
- Japan
- Prior art keywords
- bleaching
- cellulosic fiber
- fiber substance
- substance
- 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.)
- Pending
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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3055779A | 1979-04-16 | 1979-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55142787A true JPS55142787A (en) | 1980-11-07 |
Family
ID=21854784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4818480A Pending JPS55142787A (en) | 1979-04-16 | 1980-04-14 | Bleaching of cellulosic fiber substance |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS55142787A (en) |
AR (1) | AR219443A1 (en) |
BR (1) | BR8002327A (en) |
CA (1) | CA1120660A (en) |
CS (1) | CS228128B2 (en) |
FI (1) | FI71964B (en) |
FR (1) | FR2454478A1 (en) |
PL (1) | PL123711B1 (en) |
SE (1) | SE445367B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010144263A (en) * | 2008-12-16 | 2010-07-01 | Mayekawa Mfg Co Ltd | Method and apparatus for producing pulp bleaching water |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR94026E (en) * | 1965-06-28 | 1969-06-20 | Hooker Chemical Corp | Process for bleaching cellulosic materials. |
CA926056A (en) * | 1966-01-10 | 1973-05-15 | C. Logan Kenneth | Process of bleaching woodpulp |
FR1489262A (en) * | 1966-06-28 | 1967-07-21 | Canadian Ind | Bleaching of wood pulp |
US3501374A (en) * | 1968-12-26 | 1970-03-17 | Hooker Chemical Corp | Sequential bleaching of kraft pulp with chlorine dioxide and chlorine |
ZA791174B (en) * | 1978-03-30 | 1980-10-29 | Erco Ind Ltd | Bleaching procedure |
-
1980
- 1980-03-06 CA CA000347139A patent/CA1120660A/en not_active Expired
- 1980-03-17 AR AR280331A patent/AR219443A1/en active
- 1980-04-08 FI FI801103A patent/FI71964B/en not_active Application Discontinuation
- 1980-04-10 SE SE8002723A patent/SE445367B/en not_active IP Right Cessation
- 1980-04-14 JP JP4818480A patent/JPS55142787A/en active Pending
- 1980-04-15 PL PL1980223468A patent/PL123711B1/en unknown
- 1980-04-15 FR FR8008451A patent/FR2454478A1/en active Granted
- 1980-04-15 BR BR8002327A patent/BR8002327A/en not_active IP Right Cessation
- 1980-04-15 CS CS802613A patent/CS228128B2/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010144263A (en) * | 2008-12-16 | 2010-07-01 | Mayekawa Mfg Co Ltd | Method and apparatus for producing pulp bleaching water |
Also Published As
Publication number | Publication date |
---|---|
FI801103A (en) | 1980-10-17 |
FI71964B (en) | 1986-11-28 |
FR2454478A1 (en) | 1980-11-14 |
CS228128B2 (en) | 1984-05-14 |
SE445367B (en) | 1986-06-16 |
SE8002723L (en) | 1980-10-17 |
PL223468A1 (en) | 1981-03-27 |
CA1120660A (en) | 1982-03-30 |
AR219443A1 (en) | 1980-08-15 |
PL123711B1 (en) | 1982-11-30 |
FR2454478B1 (en) | 1983-09-23 |
BR8002327A (en) | 1980-12-02 |
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