SE9400016L - Återvinningsprocess för blekning av pappersmassa - Google Patents
Återvinningsprocess för blekning av pappersmassaInfo
- Publication number
- SE9400016L SE9400016L SE9400016A SE9400016A SE9400016L SE 9400016 L SE9400016 L SE 9400016L SE 9400016 A SE9400016 A SE 9400016A SE 9400016 A SE9400016 A SE 9400016A SE 9400016 L SE9400016 L SE 9400016L
- Authority
- SE
- Sweden
- Prior art keywords
- bleaching
- liquor
- black liquor
- cooking liquor
- effluent
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
Landscapes
- Paper (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9400016A SE9400016L (sv) | 1994-01-04 | 1994-01-04 | Återvinningsprocess för blekning av pappersmassa |
PCT/SE1995/000002 WO1995018884A1 (en) | 1994-01-04 | 1995-01-04 | Process for the recovery of chemicals and energy from pulp bleaching effluent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9400016A SE9400016L (sv) | 1994-01-04 | 1994-01-04 | Återvinningsprocess för blekning av pappersmassa |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9400016D0 SE9400016D0 (sv) | 1994-01-04 |
SE9400016L true SE9400016L (sv) | 1995-07-05 |
Family
ID=20392500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9400016A SE9400016L (sv) | 1994-01-04 | 1994-01-04 | Återvinningsprocess för blekning av pappersmassa |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE9400016L (sv) |
WO (1) | WO1995018884A1 (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI122246B (sv) * | 2007-06-15 | 2011-10-31 | Andritz Oy | Förfarande för behandling av massa på en massafabrik |
CN105421134A (zh) * | 2014-09-22 | 2016-03-23 | 丹阳市华兴纸箱有限公司 | 一种包装牛皮纸生产工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE435302B (sv) * | 1974-10-08 | 1984-09-17 | Mannbro Sys Hb | Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel |
-
1994
- 1994-01-04 SE SE9400016A patent/SE9400016L/sv not_active Application Discontinuation
-
1995
- 1995-01-04 WO PCT/SE1995/000002 patent/WO1995018884A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
SE9400016D0 (sv) | 1994-01-04 |
WO1995018884A1 (en) | 1995-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1222603A (en) | Polution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor | |
US5296099A (en) | Environmentally improved process for bleaching lignocellulosic materials with oxygen, ozone and chlorine dioxide | |
US4248662A (en) | Oxygen pulping with recycled liquor | |
US6302997B1 (en) | Process for producing a pulp suitable for papermaking from nonwood fibrous materials | |
US5164043A (en) | Environmentally improved process for bleaching lignocellulosic materials with ozone | |
US4155806A (en) | Method for continuous alkaline delignification of lignocellulose material in two or more steps, the final of which with oxygen | |
US5147503A (en) | Recycling waste cellulosic material with sodium sulphide digestion | |
US4196043A (en) | Kraft pulp bleaching and recovery process | |
CA1043515A (en) | Method for controlling batch alkaline pulp digestion in combination with continuous alkaline oxygen delignification | |
US5211811A (en) | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification | |
CA1275757C (en) | Method of processing waste paper | |
US5350493A (en) | Oxygen delignification of old corrugated containers | |
US5188708A (en) | Process for high consistency oxygen delignification followed by ozone relignification | |
NO891117D0 (no) | Fremgangsmaate for bleking av mekanisk masse av ved. | |
EP0056263B1 (en) | A method for improving the washing of cellulose pulps produced from lignocellulosic material | |
US6221206B1 (en) | Method for oxygen delignification of a digested pulp | |
ES8704569A1 (es) | Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion | |
CA1173604A (en) | Production of chemimechanical pulp | |
US6319357B1 (en) | Method for two-stage oxygen bleaching and delignification of chemical pulp | |
SE9400016D0 (sv) | Återvinningsprocess för blekning av pappersmassa | |
US3811995A (en) | Method of high yield semichemical pulp production | |
US5441603A (en) | Method for chelation of pulp prior to ozone delignification | |
US3798119A (en) | Process for bleaching kraft pulp with oxygen in the presence of white liquor from a kraft recovery system | |
Rolf et al. | Non-wood pulping technology-present status and future | |
WO1987001746A1 (en) | Method of pretreating pulp with stabilizers and peroxide prior to mechanical refining |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9400016-3 |