NZ217001A - Delignification using acid and hydrogen peroxide - Google Patents
Delignification using acid and hydrogen peroxideInfo
- Publication number
- NZ217001A NZ217001A NZ217001A NZ21700186A NZ217001A NZ 217001 A NZ217001 A NZ 217001A NZ 217001 A NZ217001 A NZ 217001A NZ 21700186 A NZ21700186 A NZ 21700186A NZ 217001 A NZ217001 A NZ 217001A
- Authority
- NZ
- New Zealand
- Prior art keywords
- delignification
- acid
- cellulosic materials
- hydrogen peroxide
- treated
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
- Organic Insulating Materials (AREA)
- Dental Preparations (AREA)
- Materials For Medical Uses (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- External Artificial Organs (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76272485A | 1985-08-05 | 1985-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
NZ217001A true NZ217001A (en) | 1989-01-27 |
Family
ID=25065878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NZ217001A NZ217001A (en) | 1985-08-05 | 1986-07-28 | Delignification using acid and hydrogen peroxide |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0213376B1 (no) |
JP (1) | JPH0742669B2 (no) |
AT (1) | ATE57401T1 (no) |
AU (1) | AU591508B2 (no) |
BR (1) | BR8603671A (no) |
CA (1) | CA1282911C (no) |
DE (1) | DE3674866D1 (no) |
ES (1) | ES2000831A6 (no) |
FI (1) | FI85725C (no) |
IN (1) | IN167959B (no) |
NO (1) | NO168375C (no) |
NZ (1) | NZ217001A (no) |
PT (1) | PT83117B (no) |
YU (1) | YU45352B (no) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU591509B2 (en) * | 1985-08-05 | 1989-12-07 | Interox Societe Anonyme | Process for the delignification of cellulosic substances |
FI122654B (fi) * | 1997-12-08 | 2012-05-15 | Ovivo Luxembourg Sarl | Menetelmä paperisellumassan valmistamiseksi |
WO2008141463A1 (en) * | 2007-05-23 | 2008-11-27 | Alberta Research Council Inc. | Method to remove hemicellutose from cellutosic fibres using a solution of ammonia and hydrogen peroxide |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE873649C (de) * | 1944-08-25 | 1953-04-16 | Degussa | Verfahren zur Herstellung von ungebleichten Zellstoffen mit hohem Weissgehalt |
SE373896B (no) * | 1972-07-05 | 1975-02-17 | Mo Och Domsjoe Ab | |
SE380298B (sv) * | 1974-03-14 | 1975-11-03 | Mo | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
US4486267A (en) * | 1983-11-14 | 1984-12-04 | Mead Corporation | Chemithermomechanical pulping process employing separate alkali and sulfite treatments |
AU591509B2 (en) * | 1985-08-05 | 1989-12-07 | Interox Societe Anonyme | Process for the delignification of cellulosic substances |
-
1986
- 1986-07-18 IN IN647/DEL/86A patent/IN167959B/en unknown
- 1986-07-25 DE DE8686110249T patent/DE3674866D1/de not_active Expired - Fee Related
- 1986-07-25 AT AT86110249T patent/ATE57401T1/de not_active IP Right Cessation
- 1986-07-25 AU AU60543/86A patent/AU591508B2/en not_active Ceased
- 1986-07-25 EP EP86110249A patent/EP0213376B1/fr not_active Expired - Lifetime
- 1986-07-28 NZ NZ217001A patent/NZ217001A/xx unknown
- 1986-07-31 YU YU1370/86A patent/YU45352B/xx unknown
- 1986-08-01 PT PT83117A patent/PT83117B/pt not_active IP Right Cessation
- 1986-08-01 CA CA000515198A patent/CA1282911C/fr not_active Expired - Lifetime
- 1986-08-04 JP JP61183261A patent/JPH0742669B2/ja not_active Expired - Lifetime
- 1986-08-04 ES ES868600839A patent/ES2000831A6/es not_active Expired
- 1986-08-04 NO NO863132A patent/NO168375C/no not_active IP Right Cessation
- 1986-08-04 BR BR8603671A patent/BR8603671A/pt not_active IP Right Cessation
- 1986-08-05 FI FI863193A patent/FI85725C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2000831A6 (es) | 1988-03-16 |
NO168375C (no) | 1992-02-12 |
NO863132L (no) | 1987-02-06 |
JPS6297991A (ja) | 1987-05-07 |
JPH0742669B2 (ja) | 1995-05-10 |
YU45352B (en) | 1992-05-28 |
FI85725C (fi) | 1992-05-25 |
IN167959B (no) | 1991-01-12 |
NO863132D0 (no) | 1986-08-04 |
EP0213376A1 (fr) | 1987-03-11 |
FI863193A (fi) | 1987-02-06 |
AU6054386A (en) | 1987-02-12 |
PT83117B (pt) | 1988-10-14 |
FI85725B (fi) | 1992-02-14 |
AU591508B2 (en) | 1989-12-07 |
CA1282911C (fr) | 1991-04-16 |
FI863193A0 (fi) | 1986-08-05 |
DE3674866D1 (de) | 1990-11-15 |
NO168375B (no) | 1991-11-04 |
EP0213376B1 (fr) | 1990-10-10 |
YU137086A (en) | 1987-10-31 |
ATE57401T1 (de) | 1990-10-15 |
BR8603671A (pt) | 1987-03-10 |
PT83117A (fr) | 1986-09-01 |
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