CA2101005A1 - Cristallisation de la liqueur verte - Google Patents
Cristallisation de la liqueur verteInfo
- Publication number
- CA2101005A1 CA2101005A1 CA002101005A CA2101005A CA2101005A1 CA 2101005 A1 CA2101005 A1 CA 2101005A1 CA 002101005 A CA002101005 A CA 002101005A CA 2101005 A CA2101005 A CA 2101005A CA 2101005 A1 CA2101005 A1 CA 2101005A1
- Authority
- CA
- Canada
- Prior art keywords
- liquor
- stream
- produce
- sulfur
- recited
- Prior art date
- 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.)
- Abandoned
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
- D21C11/0042—Fractionating or concentration of spent liquors by special methods
-
- 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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
-
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91885592A | 1992-07-27 | 1992-07-27 | |
| US07/918,855 | 1992-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2101005A1 true CA2101005A1 (fr) | 1994-01-28 |
Family
ID=25441076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002101005A Abandoned CA2101005A1 (fr) | 1992-07-27 | 1993-07-21 | Cristallisation de la liqueur verte |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2986137B2 (fr) |
| CA (1) | CA2101005A1 (fr) |
| FI (1) | FI933297A7 (fr) |
| SE (1) | SE9302497L (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018046482A1 (fr) * | 2016-09-08 | 2018-03-15 | Suncarbon Ab | Procédé et système de traitement d'effluent de papeterie usagé |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI55065C (fi) * | 1971-07-30 | 1979-05-10 | St Regis Paper Co | Foerfarande foer tillvaratagande av talloljetvaolar ur avlutloesningar |
| FI53728C (fi) * | 1974-03-12 | 1978-07-10 | Ahlstroem Oy | Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning |
| JPS51116205A (en) * | 1975-04-02 | 1976-10-13 | Ahlstroem Oy | Method of recovering natrium chloride discharged from related process by cellulose manufacture |
| FI52230C (fi) * | 1975-08-26 | 1977-07-11 | Keskuslaboratorio | Menetelmä liukosellun valmistamiseksi. |
-
1993
- 1993-07-21 CA CA002101005A patent/CA2101005A1/fr not_active Abandoned
- 1993-07-21 JP JP5179555A patent/JP2986137B2/ja not_active Expired - Lifetime
- 1993-07-22 FI FI933297A patent/FI933297A7/fi unknown
- 1993-07-26 SE SE9302497A patent/SE9302497L/xx not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018046482A1 (fr) * | 2016-09-08 | 2018-03-15 | Suncarbon Ab | Procédé et système de traitement d'effluent de papeterie usagé |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06173184A (ja) | 1994-06-21 |
| SE9302497D0 (sv) | 1993-07-26 |
| FI933297A0 (fi) | 1993-07-22 |
| SE9302497L (sv) | 1994-01-28 |
| FI933297A7 (fi) | 1994-01-28 |
| JP2986137B2 (ja) | 1999-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4302281A (en) | Method for producing pulp | |
| US3210235A (en) | Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor | |
| US3746612A (en) | Removal of sodium chloride from white pulping liquor | |
| US3347739A (en) | Continuous sodium sulfide pulping of cellulosic material | |
| US4331507A (en) | Desilication in alkaline pulp processes | |
| US6143130A (en) | Polysulfide pulping process | |
| US1689534A (en) | Cyclic process for the manufacture of kraft pulp | |
| CA2077216C (fr) | Fabrication de cellulose | |
| FI130066B (en) | A method for replacing sodium losses in a pulp mill and a method for producing bleached cellulose pulp | |
| EP0635080B1 (fr) | Procede de production de pate | |
| US5507912A (en) | Kraft pulping process wherein sulphide-rich and sulphide-lean white liquors are generated | |
| US5607549A (en) | Method for the manufacture of cooking liquors of different sulphidity by green liquor crystallization | |
| AU674035B2 (en) | Process for dividing the sulphide content of the green liquor for the production of white liquors having high and low sulphidity respectively | |
| CA2101005A1 (fr) | Cristallisation de la liqueur verte | |
| US4253911A (en) | Process for maintaining a low sodium chloride content in recycled sodium chemicals of sodium-based pulp manufacturing processes | |
| US6939439B1 (en) | Batch process for producing chemical pulp by removing and reintroducing calcium-containing spent liquor in the digester | |
| CA1061512A (fr) | Elimination du chlorure de sodium dans les usines de pates a papier | |
| US4249990A (en) | Process for removal of potassium values from pulp mill liquors | |
| WO1999014423A1 (fr) | Procede de reduction en pate faisant appel a du polysulfure | |
| US3554858A (en) | Process for regeneration of white liquor with hydrogen sulfide recycle | |
| FI98226B (fi) | Menetelmä natriumkarbonaatin käsittelemiseksi | |
| FI104334B (fi) | Menetelmä kemikaalin talteenottamiseksi | |
| EP4627152A1 (fr) | Procédé d'élimination d'éléments non-traités dans un procédé de fabrication de pâte kraft | |
| CA1102055A (fr) | Systeme modifie pour la recuperation de chlorure de sodium a partir de la lessive blanche | |
| JPH10280290A (ja) | 蒸解廃液燃焼溶融物の処理方法及びクラフトパルプの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |