CA1194656A - Process for the preparation of the digesting liquor required in a neutral sulfite cooking with an addition of anthraquinone - Google Patents
Process for the preparation of the digesting liquor required in a neutral sulfite cooking with an addition of anthraquinoneInfo
- Publication number
- CA1194656A CA1194656A CA000389103A CA389103A CA1194656A CA 1194656 A CA1194656 A CA 1194656A CA 000389103 A CA000389103 A CA 000389103A CA 389103 A CA389103 A CA 389103A CA 1194656 A CA1194656 A CA 1194656A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- cooking
- naoh
- liquor
- per ton
- 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
- 238000010411 cooking Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title description 7
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 title description 6
- 150000004056 anthraquinones Chemical class 0.000 title description 5
- 230000007935 neutral effect Effects 0.000 title description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 126
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 32
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 21
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 16
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 9
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000011261 inert gas Substances 0.000 claims abstract description 6
- 235000010265 sodium sulphite Nutrition 0.000 claims abstract description 5
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 229940001593 sodium carbonate Drugs 0.000 claims abstract description 4
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims abstract description 4
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims abstract description 3
- 229940001482 sodium sulfite Drugs 0.000 claims abstract description 3
- 239000000126 substance Substances 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 12
- 230000008929 regeneration Effects 0.000 claims description 10
- 238000011069 regeneration method Methods 0.000 claims description 10
- 230000004087 circulation Effects 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 abstract description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 19
- 238000011084 recovery Methods 0.000 description 8
- 239000003513 alkali Substances 0.000 description 7
- 239000002023 wood Substances 0.000 description 7
- 238000009993 causticizing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- PWFQRQCIFHFTDG-UHFFFAOYSA-M C([O-])(O)=O.C(O)(O)=O.S(O)(O)=O.S(=O)(O)O.[Na+] Chemical compound C([O-])(O)=O.C(O)(O)=O.S(O)(O)=O.S(=O)(O)O.[Na+] PWFQRQCIFHFTDG-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229960005419 nitrogen Drugs 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- VYKVQJFOZDGJLN-UHFFFAOYSA-M sodium hydrogen sulfite sulfurous acid Chemical compound [Na+].OS(O)=O.OS([O-])=O VYKVQJFOZDGJLN-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI803574 | 1980-11-14 | ||
| FI803574A FI67105C (fi) | 1980-11-14 | 1980-11-14 | Foerfarande foer framstaellning av kokvaetska erforderilig i neutralsulfitkok med antrakinonoekning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1194656A true CA1194656A (en) | 1985-10-08 |
Family
ID=8513923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000389103A Expired CA1194656A (en) | 1980-11-14 | 1981-10-30 | Process for the preparation of the digesting liquor required in a neutral sulfite cooking with an addition of anthraquinone |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1194656A (fi) |
| DE (1) | DE3142787A1 (fi) |
| FI (1) | FI67105C (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2091529C1 (ru) * | 1995-11-21 | 1997-09-27 | Грудинин Владимир Павлович | Способ приготовления варочного раствора для получения волокнистого полуфабриката |
| DE102007022751A1 (de) * | 2007-05-11 | 2008-11-13 | Voith Patent Gmbh | Ablauge eines Sulfitaufschlusses |
-
1980
- 1980-11-14 FI FI803574A patent/FI67105C/fi not_active IP Right Cessation
-
1981
- 1981-10-28 DE DE19813142787 patent/DE3142787A1/de not_active Ceased
- 1981-10-30 CA CA000389103A patent/CA1194656A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3142787A1 (de) | 1982-07-15 |
| FI803574L (fi) | 1982-05-15 |
| FI67105B (fi) | 1984-09-28 |
| FI67105C (fi) | 1985-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20021008 |