ZA877379B - Manufacture of pulp - Google Patents
Manufacture of pulpInfo
- Publication number
- ZA877379B ZA877379B ZA877379A ZA877379A ZA877379B ZA 877379 B ZA877379 B ZA 877379B ZA 877379 A ZA877379 A ZA 877379A ZA 877379 A ZA877379 A ZA 877379A ZA 877379 B ZA877379 B ZA 877379B
- Authority
- ZA
- South Africa
- Prior art keywords
- pulp
- manufacture
- 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
- D21C3/222—Use of compounds accelerating the pulping processes
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ21778686 | 1986-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA877379B true ZA877379B (en) | 1989-04-26 |
Family
ID=19921815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA877379A ZA877379B (en) | 1986-10-02 | 1987-09-30 | Manufacture of pulp |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0262988A3 (pt) |
BR (1) | BR8705254A (pt) |
FI (1) | FI874289A (pt) |
PT (1) | PT85862B (pt) |
ZA (1) | ZA877379B (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325892B1 (en) | 1998-09-23 | 2001-12-04 | University Of New Brunswick | Method of delignifying sulphite pulp with oxygen and borohydride |
US6464827B1 (en) * | 2000-11-28 | 2002-10-15 | Praxair Technology, Inc. | Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissociated lignin |
FI122838B (fi) | 2005-03-31 | 2012-07-31 | Metso Paper Inc | Menetelmä massan valmistamiseksi lignoselluloosamateriaalista |
US20070240837A1 (en) * | 2006-04-13 | 2007-10-18 | Andritz Inc. | Hardwood alkaline pulping processes and systems |
AR091998A1 (es) * | 2012-05-03 | 2015-03-18 | Annikki Gmbh | Procedimiento de preparacion de celulosa con baja concentracion de lignina |
CN115976865A (zh) * | 2021-10-14 | 2023-04-18 | 中国科学院大连化学物理研究所 | 一种化学法制备木质纤维素本色浆联产木质素磺酸盐的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1651665A (en) * | 1927-12-06 | And edward p | ||
US2528351A (en) * | 1950-08-17 | 1950-10-31 | Hardwood By Products Inc | Alkaline sulfite digestion of hardwood |
FR2357490A1 (fr) * | 1976-07-06 | 1978-02-03 | Eparco Sa | Activateur biologique pour fosses septiques |
CA1110413A (en) * | 1977-12-14 | 1981-10-13 | Oji Paper Co., Ltd. | Process for pulping lignocellulosic material |
JPS55163291A (en) * | 1979-05-31 | 1980-12-19 | Oji Paper Co | Alkaline sulfite pulping method |
JPS56118988A (en) * | 1980-02-18 | 1981-09-18 | Oji Paper Co | Alkali sulfite pulping method |
-
1987
- 1987-09-30 ZA ZA877379A patent/ZA877379B/xx unknown
- 1987-09-30 FI FI874289A patent/FI874289A/fi not_active Application Discontinuation
- 1987-10-02 EP EP87308780A patent/EP0262988A3/en not_active Withdrawn
- 1987-10-02 PT PT85862A patent/PT85862B/pt unknown
- 1987-10-02 BR BR8705254A patent/BR8705254A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
FI874289A0 (fi) | 1987-09-30 |
FI874289A (fi) | 1988-04-03 |
PT85862A (en) | 1987-11-01 |
PT85862B (en) | 1990-01-12 |
EP0262988A3 (en) | 1988-06-29 |
BR8705254A (pt) | 1988-05-24 |
EP0262988A2 (en) | 1988-04-06 |
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