SE7805124L - Forfarande for framstellning av barrvedscellulosamassa med magnesiumsulfitforfarandet - Google Patents
Forfarande for framstellning av barrvedscellulosamassa med magnesiumsulfitforfarandetInfo
- Publication number
- SE7805124L SE7805124L SE7805124A SE7805124A SE7805124L SE 7805124 L SE7805124 L SE 7805124L SE 7805124 A SE7805124 A SE 7805124A SE 7805124 A SE7805124 A SE 7805124A SE 7805124 L SE7805124 L SE 7805124L
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- magnesium
- cellulosa
- converted
- mass
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 title 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 2
- 241000218657 Picea Species 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 235000010980 cellulose Nutrition 0.000 abstract 1
- 238000012432 intermediate storage Methods 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract 1
- 239000000347 magnesium hydroxide Substances 0.000 abstract 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 abstract 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 1
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 1
- LPHFLPKXBKBHRW-UHFFFAOYSA-L magnesium;hydrogen sulfite Chemical compound [Mg+2].OS([O-])=O.OS([O-])=O LPHFLPKXBKBHRW-UHFFFAOYSA-L 0.000 abstract 1
- 239000008267 milk Substances 0.000 abstract 1
- 210000004080 milk Anatomy 0.000 abstract 1
- 235000013336 milk Nutrition 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
- D21C3/10—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites magnesium bisulfite
Landscapes
- Paper (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH548977 | 1977-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7805124L true SE7805124L (sv) | 1978-11-04 |
Family
ID=4294440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7805124A SE7805124L (sv) | 1977-05-03 | 1978-05-03 | Forfarande for framstellning av barrvedscellulosamassa med magnesiumsulfitforfarandet |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS53139802A (sv) |
| AT (1) | AT364908B (sv) |
| BR (1) | BR7802645A (sv) |
| CA (1) | CA1101616A (sv) |
| FI (1) | FI781351A (sv) |
| SE (1) | SE7805124L (sv) |
-
1978
- 1978-04-24 CA CA301,780A patent/CA1101616A/en not_active Expired
- 1978-04-27 BR BR7802645A patent/BR7802645A/pt unknown
- 1978-05-02 FI FI781351A patent/FI781351A/fi not_active Application Discontinuation
- 1978-05-02 AT AT0316478A patent/AT364908B/de not_active IP Right Cessation
- 1978-05-02 JP JP5321178A patent/JPS53139802A/ja active Pending
- 1978-05-03 SE SE7805124A patent/SE7805124L/sv unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT364908B (de) | 1981-11-25 |
| CA1101616A (en) | 1981-05-26 |
| JPS53139802A (en) | 1978-12-06 |
| BR7802645A (pt) | 1978-12-12 |
| ATA316478A (de) | 1981-04-15 |
| FI781351A (fi) | 1978-11-04 |
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