CA988662A - Recovery system for sodium base sulfite pulping liquor - Google Patents
Recovery system for sodium base sulfite pulping liquorInfo
- Publication number
- CA988662A CA988662A CA168,346A CA168346A CA988662A CA 988662 A CA988662 A CA 988662A CA 168346 A CA168346 A CA 168346A CA 988662 A CA988662 A CA 988662A
- Authority
- CA
- Canada
- Prior art keywords
- recovery system
- pulping liquor
- sodium base
- sulfite pulping
- base sulfite
- 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.)
- Expired
Links
- 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 title 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title 1
- 239000003265 pulping liquor Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 229910052708 sodium Inorganic materials 0.000 title 1
- 239000011734 sodium Substances 0.000 title 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
- D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24636772A | 1972-04-21 | 1972-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA988662A true CA988662A (en) | 1976-05-11 |
Family
ID=22930369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA168,346A Expired CA988662A (en) | 1972-04-21 | 1973-04-10 | Recovery system for sodium base sulfite pulping liquor |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5330801B2 (xx) |
| CA (1) | CA988662A (xx) |
| DK (1) | DK149784C (xx) |
| FI (1) | FI55367B (xx) |
| NO (1) | NO143754C (xx) |
| SE (1) | SE386923B (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5366716A (en) * | 1991-12-02 | 1994-11-22 | A. Ahlstrom Corporation | Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6569865B2 (ja) * | 2016-02-29 | 2019-09-04 | 三菱重工業株式会社 | 固体レーザー装置 |
| JP7341673B2 (ja) | 2019-02-27 | 2023-09-11 | 三菱重工業株式会社 | レーザ装置 |
-
1973
- 1973-03-19 SE SE7303781A patent/SE386923B/xx unknown
- 1973-03-26 NO NO1244/73A patent/NO143754C/no unknown
- 1973-03-26 FI FI928/73A patent/FI55367B/fi active
- 1973-04-10 CA CA168,346A patent/CA988662A/en not_active Expired
- 1973-04-17 DK DK212673A patent/DK149784C/da active
- 1973-04-20 JP JP4423673A patent/JPS5330801B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5366716A (en) * | 1991-12-02 | 1994-11-22 | A. Ahlstrom Corporation | Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill |
Also Published As
| Publication number | Publication date |
|---|---|
| FI55367B (fi) | 1979-03-30 |
| JPS4920402A (xx) | 1974-02-22 |
| NO143754B (no) | 1980-12-29 |
| SE386923B (sv) | 1976-08-23 |
| DK149784C (da) | 1987-02-16 |
| JPS5330801B2 (xx) | 1978-08-29 |
| NO143754C (no) | 1981-04-08 |
| DK149784B (da) | 1986-09-29 |
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