SE9600977D0 - Use of acid-stage filtrate in cooking liquor preparation - Google Patents
Use of acid-stage filtrate in cooking liquor preparationInfo
- Publication number
- SE9600977D0 SE9600977D0 SE9600977A SE9600977A SE9600977D0 SE 9600977 D0 SE9600977 D0 SE 9600977D0 SE 9600977 A SE9600977 A SE 9600977A SE 9600977 A SE9600977 A SE 9600977A SE 9600977 D0 SE9600977 D0 SE 9600977D0
- Authority
- SE
- Sweden
- Prior art keywords
- filtrate
- alkaline
- green liquor
- liquor
- produce
- Prior art date
Links
- 239000000706 filtrate Substances 0.000 title abstract 8
- 238000010411 cooking Methods 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 2
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 2
- 230000002378 acidificating effect Effects 0.000 abstract 2
- 239000007844 bleaching agent Substances 0.000 abstract 2
- 239000004571 lime Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 241001062472 Stokellia anisodon Species 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 238000009993 causticizing Methods 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40524395A | 1995-03-17 | 1995-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE9600977D0 true SE9600977D0 (sv) | 1996-03-14 |
| SE9600977L SE9600977L (sv) | 1996-09-18 |
Family
ID=23602876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9600977A SE9600977L (sv) | 1995-03-17 | 1996-03-14 | Användning av filtratfrån syrabehandlingssteg vid framställning av koklut |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH0921088A (sv) |
| CA (1) | CA2171595A1 (sv) |
| FI (1) | FI961191A (sv) |
| SE (1) | SE9600977L (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI129811B (sv) * | 2019-08-23 | 2022-09-15 | Upm Kymmene Corp | Process för minskning av fosfor i avloppsvatten från en cellulosaframställningsprocess |
-
1996
- 1996-03-12 CA CA002171595A patent/CA2171595A1/en not_active Abandoned
- 1996-03-14 FI FI961191A patent/FI961191A/sv unknown
- 1996-03-14 SE SE9600977A patent/SE9600977L/sv not_active Application Discontinuation
- 1996-03-15 JP JP8100722A patent/JPH0921088A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FI961191A (sv) | 1996-09-18 |
| FI961191A0 (sv) | 1996-03-14 |
| SE9600977L (sv) | 1996-09-18 |
| JPH0921088A (ja) | 1997-01-21 |
| CA2171595A1 (en) | 1996-09-18 |
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| Becker | Crown Simpson finds process revisions less costly than primary treatment | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
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