SE391750B - Sett att i ett kerl kontinuerligt behandla cellulosamassa med klor - Google Patents
Sett att i ett kerl kontinuerligt behandla cellulosamassa med klorInfo
- Publication number
- SE391750B SE391750B SE7403806A SE7403806A SE391750B SE 391750 B SE391750 B SE 391750B SE 7403806 A SE7403806 A SE 7403806A SE 7403806 A SE7403806 A SE 7403806A SE 391750 B SE391750 B SE 391750B
- Authority
- SE
- Sweden
- Prior art keywords
- kerl
- cellulosa
- chlorine
- mass
- see
- Prior art date
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
- D21C9/1026—Other features in bleaching processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7403806A SE391750B (sv) | 1974-03-21 | 1974-03-21 | Sett att i ett kerl kontinuerligt behandla cellulosamassa med klor |
FI750776A FI59127C (fi) | 1974-03-21 | 1975-03-17 | Saett foer blekning av cellulosamassa |
US05/560,863 US3992250A (en) | 1974-03-21 | 1975-03-21 | Method for bleaching of high consistency cellulosic pulp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7403806A SE391750B (sv) | 1974-03-21 | 1974-03-21 | Sett att i ett kerl kontinuerligt behandla cellulosamassa med klor |
Publications (1)
Publication Number | Publication Date |
---|---|
SE391750B true SE391750B (sv) | 1977-02-28 |
Family
ID=20320592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7403806A SE391750B (sv) | 1974-03-21 | 1974-03-21 | Sett att i ett kerl kontinuerligt behandla cellulosamassa med klor |
Country Status (3)
Country | Link |
---|---|
US (1) | US3992250A (sv) |
FI (1) | FI59127C (sv) |
SE (1) | SE391750B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4480089A (en) * | 1983-06-14 | 1984-10-30 | Purdue Research Foundation | Modified cellulose products by bleaching |
DE3581034D1 (de) * | 1984-10-03 | 1991-02-07 | Teijin Ltd | Faser aus modifiziertem polyester und verfahren zu deren herstellung. |
KR20010104030A (ko) * | 2000-05-12 | 2001-11-24 | 김승철 | 사탕수수 찌꺼기를 이용한 펄프 원료의 생산 방법 |
KR100476468B1 (ko) * | 2001-07-24 | 2005-03-17 | 주식회사 코오롱 | 알칼리 이용성 폴리에스테르의 제조방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2514503A (en) * | 1947-07-30 | 1950-07-11 | Buffalo Electro Chem Co | Method of bleaching moist felted groundwood pulp |
US2730426A (en) * | 1951-06-20 | 1956-01-10 | Cellulose Dev Corp Ltd | Treating vegetable fibrous material with chlorine gas |
NL134770C (sv) * | 1963-07-12 | |||
US3433702A (en) * | 1965-06-28 | 1969-03-18 | Hooker Chemical Corp | Woodpulp bleaching process |
US3455777A (en) * | 1965-10-29 | 1969-07-15 | Dow Chemical Co | Method of bleaching kraft pulp sheet |
US3579419A (en) * | 1967-04-24 | 1971-05-18 | Pulp Paper Res Inst | Treatment of fluffed pulp fibers with gaseous chlorine |
US3501374A (en) * | 1968-12-26 | 1970-03-17 | Hooker Chemical Corp | Sequential bleaching of kraft pulp with chlorine dioxide and chlorine |
-
1974
- 1974-03-21 SE SE7403806A patent/SE391750B/sv unknown
-
1975
- 1975-03-17 FI FI750776A patent/FI59127C/fi not_active IP Right Cessation
- 1975-03-21 US US05/560,863 patent/US3992250A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI59127C (fi) | 1981-06-10 |
FI59127B (fi) | 1981-02-27 |
FI750776A (sv) | 1975-09-22 |
US3992250A (en) | 1976-11-16 |
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