SE343092B - - Google Patents
Info
- Publication number
- SE343092B SE343092B SE8589/70A SE858970A SE343092B SE 343092 B SE343092 B SE 343092B SE 8589/70 A SE8589/70 A SE 8589/70A SE 858970 A SE858970 A SE 858970A SE 343092 B SE343092 B SE 343092B
- Authority
- SE
- Sweden
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8589/70A SE343092B (pt) | 1970-06-22 | 1970-06-22 | |
| NO2305/71A NO131734C (pt) | 1970-06-22 | 1971-06-18 | |
| DE19712130164 DE2130164B2 (de) | 1970-06-22 | 1971-06-18 | Verfahren zur herstellung von holzpulpe |
| US00154486A US3764464A (en) | 1970-06-22 | 1971-06-18 | Process for preparing cellulose pulp by alkaline oxygen digestion of wood in the presence of alkali metal carbonate or bicarbonate |
| FI1740/71A FI54345C (fi) | 1970-06-22 | 1971-06-18 | Foerfarande foer framstaellning av cellulosamassa |
| CA116186A CA935958A (en) | 1970-06-22 | 1971-06-21 | Alkaline oxygen digestion of wood |
| ZA714055A ZA714055B (en) | 1970-06-22 | 1971-06-21 | Method of preparing wood pulp |
| JP46044554A JPS4938921B1 (pt) | 1970-06-22 | 1971-06-22 | |
| AT542871A AT303509B (de) | 1970-06-22 | 1971-06-22 | Verfahren zur Herstellung von Holzzellstoff |
| FR7122712A FR2099805A5 (pt) | 1970-06-22 | 1971-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8589/70A SE343092B (pt) | 1970-06-22 | 1970-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE343092B true SE343092B (pt) | 1972-02-28 |
Family
ID=20274493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8589/70A SE343092B (pt) | 1970-06-22 | 1970-06-22 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3764464A (pt) |
| JP (1) | JPS4938921B1 (pt) |
| AT (1) | AT303509B (pt) |
| CA (1) | CA935958A (pt) |
| DE (1) | DE2130164B2 (pt) |
| FI (1) | FI54345C (pt) |
| FR (1) | FR2099805A5 (pt) |
| NO (1) | NO131734C (pt) |
| SE (1) | SE343092B (pt) |
| ZA (1) | ZA714055B (pt) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE373896B (pt) * | 1972-07-05 | 1975-02-17 | Mo Och Domsjoe Ab | |
| SE373395B (sv) * | 1972-12-19 | 1975-02-03 | Mo Och Domsjoe Ab | Forfarande for framstellning av cellulosamassa med hog ljushet genom uppslutning av ved med syrgas under tryck i nervaro av en kokvetska forsatt med basiska neutralisationsmedel |
| SE381692B (sv) * | 1973-10-17 | 1975-12-15 | Mo Och Domsjoe Ab | Forfarande for forbettring av vermeekonomin vid kokning av lignocellulosamaterial i diskontinuerliga kokare |
| US4089737A (en) * | 1974-02-18 | 1978-05-16 | Toyo Pulp Company, Ltd. | Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein |
| SE393138B (sv) * | 1974-03-14 | 1977-05-02 | Mo Och Domsjoe Ab | Forfarande for blekning av cellulosa med en syre innehallande gas i nervaro av natriumbikarbonat |
| FI58360C (fi) * | 1974-06-14 | 1981-01-12 | Mo Och Domsjoe Ab | Foerfarande foer delignifiering av lignocellulosahaltigt material med hjaelp av syreinnehaollande gas och apparatur foer utfoerande av detta foerfarande |
| US4338158A (en) * | 1976-04-09 | 1982-07-06 | Weyerhaeuser Company | Pulping in the presence of a protector |
| US4080248A (en) * | 1976-06-28 | 1978-03-21 | Crown Zellerbach Corporation | Two-stage oxygen pulping |
| US4172006A (en) * | 1976-08-26 | 1979-10-23 | Weyerhaeuser Company | Method of delignifying wood chips with oxygen by adding cooking liquor under pressure |
| JPS5383012A (en) * | 1976-12-28 | 1978-07-22 | Fujitec Kk | Device for controlling induction motor |
| US4664832A (en) * | 1984-09-28 | 1987-05-12 | State Of South Dakota As Represented By The Department Of Transportation | Deicing chemicals and their preparation from polysaccharide sources |
| US6126781A (en) * | 1991-08-01 | 2000-10-03 | Union Camp Patent Holding, Inc. | Process for conditioning ozone gas recycle stream in ozone pulp bleaching |
| WO1993018226A1 (en) * | 1992-03-02 | 1993-09-16 | Kamyr, Inc. | Combined ozone destruction and fiber scrubbing in paper pulp mills |
| US5571378A (en) * | 1993-11-23 | 1996-11-05 | Hampshire Chemical Ltd. | Process for high-pH metal ion chelation in pulps |
| US6210527B1 (en) * | 1994-03-14 | 2001-04-03 | The Boc Group, Inc. | Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream |
| SE516030C2 (sv) * | 1994-11-14 | 2001-11-12 | Aga Ab | Regenerering av en gasblandning från ett ozonbleksteg |
| US6475338B1 (en) * | 1996-06-05 | 2002-11-05 | Andritz Inc. | Method of minimizing transition metal ions during chemical pulping in a digester by adding chelating agent to the digester |
| ATE277681T1 (de) * | 2000-12-01 | 2004-10-15 | Linde Ag | Verfahren zur reinigung von abgas aus einer zellstoffabrik |
| FI122815B (fi) * | 2005-04-18 | 2012-07-13 | Cerefi Oy | Menetelmä lignoselluloosamateriaalien ja niistä saatujen jakeiden fraktioimiseksi |
-
1970
- 1970-06-22 SE SE8589/70A patent/SE343092B/xx unknown
-
1971
- 1971-06-18 US US00154486A patent/US3764464A/en not_active Expired - Lifetime
- 1971-06-18 NO NO2305/71A patent/NO131734C/no unknown
- 1971-06-18 DE DE19712130164 patent/DE2130164B2/de active Granted
- 1971-06-18 FI FI1740/71A patent/FI54345C/fi active
- 1971-06-21 ZA ZA714055A patent/ZA714055B/xx unknown
- 1971-06-21 CA CA116186A patent/CA935958A/en not_active Expired
- 1971-06-22 AT AT542871A patent/AT303509B/de not_active IP Right Cessation
- 1971-06-22 JP JP46044554A patent/JPS4938921B1/ja active Pending
- 1971-06-22 FR FR7122712A patent/FR2099805A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI54345B (fi) | 1978-07-31 |
| US3764464A (en) | 1973-10-09 |
| ZA714055B (en) | 1973-02-28 |
| NO131734B (pt) | 1975-04-07 |
| JPS4938921B1 (pt) | 1974-10-22 |
| DE2130164C3 (pt) | 1974-04-11 |
| DE2130164A1 (de) | 1971-12-30 |
| CA935958A (en) | 1973-10-30 |
| NO131734C (pt) | 1975-07-16 |
| FR2099805A5 (pt) | 1972-03-17 |
| FI54345C (fi) | 1978-11-10 |
| AT303509B (de) | 1972-11-27 |
| DE2130164B2 (de) | 1973-08-23 |