JPS5046904A - - Google Patents
Info
- Publication number
- JPS5046904A JPS5046904A JP48136957A JP13695773A JPS5046904A JP S5046904 A JPS5046904 A JP S5046904A JP 48136957 A JP48136957 A JP 48136957A JP 13695773 A JP13695773 A JP 13695773A JP S5046904 A JPS5046904 A JP S5046904A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
- D21C3/22—Other features of pulping processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7216130A SE384544B (sv) | 1972-12-11 | 1972-12-11 | Sett vid alkalisk uppslutning av cellulosahaltigt material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5046904A true JPS5046904A (ja) | 1975-04-26 |
| JPS5117601B2 JPS5117601B2 (ja) | 1976-06-03 |
Family
ID=20301770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48136957A Expired JPS5117601B2 (ja) | 1972-12-11 | 1973-12-10 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3937647A (ja) |
| JP (1) | JPS5117601B2 (ja) |
| CA (1) | CA1016708A (ja) |
| FI (1) | FI55224C (ja) |
| NO (1) | NO135150C (ja) |
| SE (1) | SE384544B (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4239906A (en) * | 1979-06-07 | 1980-12-16 | Standard Brands Incorporated | Method for obtaining a purified cellulose product from corn hulls |
| SE447554B (sv) * | 1985-04-04 | 1986-11-24 | Simonson Rune G W | Forfarande vid tillverkning av produkter innehallande trespan |
| US6468390B1 (en) * | 1998-08-24 | 2002-10-22 | Kvaerner Pulping Ab | Method for continuous cooking of lignocellulosic fiber material |
| US6245196B1 (en) | 1999-02-02 | 2001-06-12 | Praxair Technology, Inc. | Method and apparatus for pulp yield enhancement |
| US7815876B2 (en) * | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| US7815741B2 (en) * | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| SE0702874L (sv) * | 2007-12-20 | 2009-06-09 | Metso Fiber Karlstad Ab | Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1859888A (en) * | 1927-02-02 | 1932-05-24 | Brown Co | Process of regenerating spent alkaline liquor to fresh acid cooking liquor |
| US2167556A (en) * | 1936-03-18 | 1939-07-25 | Stacom Process Corp | Recovery of lignin from natural cellulose compounds |
| US2686120A (en) * | 1952-01-14 | 1954-08-10 | Ontario Paper Co Ltd | Alkaline pulping of lignocellulose in the presence of oxygen to produce pulp, vanillin, and other oxidation products of lignin substance |
| US2976273A (en) * | 1958-09-10 | 1961-03-21 | West Virginia Pulp & Paper Co | Treatment of kraft black liquor and product |
| US3428520A (en) * | 1965-08-12 | 1969-02-18 | Scott Paper Co | Pulping process with lignin recovery |
| US3806403A (en) * | 1972-03-27 | 1974-04-23 | Nyanza Inc | Process for treating black liquor to precipitate organic materials therefrom |
-
1972
- 1972-12-11 SE SE7216130A patent/SE384544B/xx unknown
-
1973
- 1973-11-06 CA CA185,164A patent/CA1016708A/en not_active Expired
- 1973-11-12 US US05/415,153 patent/US3937647A/en not_active Expired - Lifetime
- 1973-11-28 NO NO4541/73A patent/NO135150C/no unknown
- 1973-12-03 FI FI3705/73A patent/FI55224C/fi active
- 1973-12-10 JP JP48136957A patent/JPS5117601B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5117601B2 (ja) | 1976-06-03 |
| SE384544B (sv) | 1976-05-10 |
| FI55224B (fi) | 1979-02-28 |
| FI55224C (fi) | 1979-06-11 |
| US3937647A (en) | 1976-02-10 |
| NO135150B (ja) | 1976-11-08 |
| CA1016708A (en) | 1977-09-06 |
| NO135150C (ja) | 1977-02-16 |