AT347235B - Verfahren zur herstellung von natrium- bisulfitloesung fuer die sulfit-zellulose- produktion - Google Patents
Verfahren zur herstellung von natrium- bisulfitloesung fuer die sulfit-zellulose- produktionInfo
- Publication number
- AT347235B AT347235B AT108676A AT108676A AT347235B AT 347235 B AT347235 B AT 347235B AT 108676 A AT108676 A AT 108676A AT 108676 A AT108676 A AT 108676A AT 347235 B AT347235 B AT 347235B
- Authority
- AT
- Austria
- Prior art keywords
- production
- sodium bisulfite
- bisulfite solution
- sulfite cellulose
- sulfite
- Prior art date
Links
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 title 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title 1
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 235000010267 sodium hydrogen sulphite Nutrition 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI750831A FI51217C (fi) | 1975-03-20 | 1975-03-20 | Tapa valmistaa lisäyskemikalia sellaista selluloosan valmistusmenetelm ää varten, jossa liukoisena emäksenä käytetään Na-bisulfiittiliuosta. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA108676A ATA108676A (de) | 1978-04-15 |
| AT347235B true AT347235B (de) | 1978-12-11 |
Family
ID=8509072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT108676A AT347235B (de) | 1975-03-20 | 1976-02-16 | Verfahren zur herstellung von natrium- bisulfitloesung fuer die sulfit-zellulose- produktion |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS51119803A (enrdf_load_stackoverflow) |
| AT (1) | AT347235B (enrdf_load_stackoverflow) |
| CA (1) | CA1091869A (enrdf_load_stackoverflow) |
| FI (1) | FI51217C (enrdf_load_stackoverflow) |
| NO (1) | NO147191C (enrdf_load_stackoverflow) |
| SE (1) | SE7602200L (enrdf_load_stackoverflow) |
-
1975
- 1975-03-20 FI FI750831A patent/FI51217C/fi not_active IP Right Cessation
-
1976
- 1976-02-16 AT AT108676A patent/AT347235B/de not_active IP Right Cessation
- 1976-02-18 CA CA246,074A patent/CA1091869A/en not_active Expired
- 1976-02-24 SE SE7602200A patent/SE7602200L/xx not_active Application Discontinuation
- 1976-03-19 NO NO760992A patent/NO147191C/no unknown
- 1976-03-19 JP JP51030746A patent/JPS51119803A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ATA108676A (de) | 1978-04-15 |
| JPS51119803A (en) | 1976-10-20 |
| NO147191C (no) | 1983-02-16 |
| FI51217C (fi) | 1976-11-10 |
| SE7602200L (sv) | 1976-09-21 |
| NO760992L (enrdf_load_stackoverflow) | 1976-09-21 |
| FI51217B (enrdf_load_stackoverflow) | 1976-08-02 |
| CA1091869A (en) | 1980-12-23 |
| NO147191B (no) | 1982-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| UEP | Publication of translation of european patent specification |