JPS5242495A - Recovering of chemicals used for digesting sulfite pulp - Google Patents
Recovering of chemicals used for digesting sulfite pulpInfo
- Publication number
- JPS5242495A JPS5242495A JP11915575A JP11915575A JPS5242495A JP S5242495 A JPS5242495 A JP S5242495A JP 11915575 A JP11915575 A JP 11915575A JP 11915575 A JP11915575 A JP 11915575A JP S5242495 A JPS5242495 A JP S5242495A
- Authority
- JP
- Japan
- Prior art keywords
- recovering
- digesting
- sulfite pulp
- chemicals used
- 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.)
- Granted
Links
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title abstract 2
- 239000000126 substance Substances 0.000 title 1
- 239000007832 Na2SO4 Substances 0.000 abstract 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 229910052979 sodium sulfide Inorganic materials 0.000 abstract 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Landscapes
- Paper (AREA)
Abstract
PURPOSE: Recovering Na2S in the waste fluid of digestion of sulfite pulp, by converting it to Na2SO4 through Na2S2O3 with two steps.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11915575A JPS5242495A (en) | 1975-10-02 | 1975-10-02 | Recovering of chemicals used for digesting sulfite pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11915575A JPS5242495A (en) | 1975-10-02 | 1975-10-02 | Recovering of chemicals used for digesting sulfite pulp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5242495A true JPS5242495A (en) | 1977-04-02 |
| JPS5648636B2 JPS5648636B2 (en) | 1981-11-17 |
Family
ID=14754273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11915575A Granted JPS5242495A (en) | 1975-10-02 | 1975-10-02 | Recovering of chemicals used for digesting sulfite pulp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5242495A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50967A (en) * | 1973-05-03 | 1975-01-08 |
-
1975
- 1975-10-02 JP JP11915575A patent/JPS5242495A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50967A (en) * | 1973-05-03 | 1975-01-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5648636B2 (en) | 1981-11-17 |
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