AU1566766A - Production of cellulosic pulp - Google Patents
Production of cellulosic pulpInfo
- Publication number
- AU1566766A AU1566766A AU15667/66A AU1566766A AU1566766A AU 1566766 A AU1566766 A AU 1566766A AU 15667/66 A AU15667/66 A AU 15667/66A AU 1566766 A AU1566766 A AU 1566766A AU 1566766 A AU1566766 A AU 1566766A
- Authority
- AU
- Australia
- Prior art keywords
- production
- cellulosic pulp
- cellulosic
- pulp
- 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
-
- 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
- D06L4/23—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 hypohalogenites
-
- 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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US562963A US3345250A (en) | 1966-06-30 | 1966-06-30 | Bleaching pulp without direct chlorination by bleaching with chlorine dioxide |
AU15667/66A AU418050B2 (en) | 1966-06-30 | 1966-12-22 | Production of cellulosic pulp |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US562963A US3345250A (en) | 1966-06-30 | 1966-06-30 | Bleaching pulp without direct chlorination by bleaching with chlorine dioxide |
DE1966J0032568 DE1546261B2 (en) | 1966-12-21 | 1966-12-21 | PROCESS FOR BLEACHING CELLULOSE FOR THE MANUFACTURE OF SYNTHETIC SILK |
AT1181466A AT305018B (en) | 1966-06-30 | 1966-12-22 | Process for bleaching a cellulose pulp |
AU15667/66A AU418050B2 (en) | 1966-06-30 | 1966-12-22 | Production of cellulosic pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1566766A true AU1566766A (en) | 1968-06-27 |
AU418050B2 AU418050B2 (en) | 1971-10-20 |
Family
ID=32966485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU15667/66A Expired AU418050B2 (en) | 1966-06-30 | 1966-12-22 | Production of cellulosic pulp |
Country Status (2)
Country | Link |
---|---|
US (1) | US3345250A (en) |
AU (1) | AU418050B2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1100709A (en) * | 1965-06-25 | 1968-01-24 | Pulp Paper Res Inst | Two-stage purification of fibrous cellulose material |
FR1604717A (en) * | 1968-10-22 | 1972-01-24 | ||
US3632469A (en) * | 1969-06-05 | 1972-01-04 | Ethyl Corp | Process for the manufacture of dissolving grade pulp |
DE2219505C3 (en) * | 1972-04-21 | 1974-10-17 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Chlorine-free multi-stage bleaching of cellulose |
US4081317A (en) * | 1973-12-18 | 1978-03-28 | Hooker Chemicals & Plastics Corporation | Process for the reduction of effluent color from a cellulosic pulp bleaching sequence |
US4568420B1 (en) * | 1984-12-03 | 1999-03-02 | Int Paper Co | Multi-stage bleaching process including an enhanced oxidative extraction stage |
US9339058B2 (en) * | 2012-04-19 | 2016-05-17 | R. J. Reynolds Tobacco Company | Method for producing microcrystalline cellulose from tobacco and related tobacco product |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2494542A (en) * | 1946-05-02 | 1950-01-17 | Niagara Alkali Company | Method of bleaching pulp |
US2513788A (en) * | 1947-01-31 | 1950-07-04 | Brown Co | Bleaching of sulfate wood pulp |
US2587064A (en) * | 1949-03-09 | 1952-02-26 | Int Paper Canada | Method of bleaching wood pulp |
US3061504A (en) * | 1960-03-21 | 1962-10-30 | Int Paper Canada | Method of removing resin from wood pulp |
US3020196A (en) * | 1960-08-05 | 1962-02-06 | Allied Chem | Production of high brightness high strength wood pulps |
-
1966
- 1966-06-30 US US562963A patent/US3345250A/en not_active Expired - Lifetime
- 1966-12-22 AU AU15667/66A patent/AU418050B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU418050B2 (en) | 1971-10-20 |
US3345250A (en) | 1967-10-03 |
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