CS223859B2 - Method of decreasing the contamination of waters by making the bleached sulphite cellulose - Google Patents
Method of decreasing the contamination of waters by making the bleached sulphite cellulose Download PDFInfo
- Publication number
- CS223859B2 CS223859B2 CS742562A CS256274A CS223859B2 CS 223859 B2 CS223859 B2 CS 223859B2 CS 742562 A CS742562 A CS 742562A CS 256274 A CS256274 A CS 256274A CS 223859 B2 CS223859 B2 CS 223859B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- liquor
- waste liquor
- bleaching
- process according
- base
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 title claims abstract description 9
- 238000011109 contamination Methods 0.000 title abstract description 3
- 229920002678 cellulose Polymers 0.000 title abstract 4
- 239000001913 cellulose Substances 0.000 title abstract 4
- 239000003643 water by type Substances 0.000 title abstract 2
- 230000003247 decreasing effect Effects 0.000 title 1
- 239000002699 waste material Substances 0.000 claims abstract description 33
- 238000004061 bleaching Methods 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 15
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000605 extraction Methods 0.000 claims abstract description 8
- 239000011777 magnesium Substances 0.000 claims abstract description 8
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000460 chlorine Substances 0.000 claims abstract description 7
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 7
- 150000001805 chlorine compounds Chemical class 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 10
- 238000000855 fermentation Methods 0.000 claims description 6
- 230000004151 fermentation Effects 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
- 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 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- -1 ammonium ions Chemical class 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000003911 water pollution Methods 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 150000003464 sulfur compounds Chemical class 0.000 claims 1
- 238000004056 waste incineration Methods 0.000 claims 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract description 6
- 239000007844 bleaching agent Substances 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011575 calcium Substances 0.000 abstract description 2
- 229910052791 calcium Inorganic materials 0.000 abstract description 2
- 150000003868 ammonium compounds Chemical class 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 150000002681 magnesium compounds Chemical class 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 239000000706 filtrate Substances 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000036586 afterload Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- Paper (AREA)
- Treating Waste Gases (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI1100/73A FI51604B (enrdf_load_stackoverflow) | 1973-04-09 | 1973-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS223859B2 true CS223859B2 (en) | 1983-11-25 |
Family
ID=8505103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS742562A CS223859B2 (en) | 1973-04-09 | 1974-04-09 | Method of decreasing the contamination of waters by making the bleached sulphite cellulose |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5040801A (enrdf_load_stackoverflow) |
| AT (1) | ATA295574A (enrdf_load_stackoverflow) |
| CA (1) | CA1025158A (enrdf_load_stackoverflow) |
| CH (1) | CH609395A5 (enrdf_load_stackoverflow) |
| CS (1) | CS223859B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2417084C3 (enrdf_load_stackoverflow) |
| FI (1) | FI51604B (enrdf_load_stackoverflow) |
| FR (1) | FR2224589B3 (enrdf_load_stackoverflow) |
| NO (1) | NO141858B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579258B1 (enrdf_load_stackoverflow) * | 1971-05-15 | 1982-02-20 | ||
| US4155804A (en) * | 1975-03-17 | 1979-05-22 | International Telephone And Telegraph Corporation | Removal of volatile organic components from spent sulfite effluent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1217833A (en) * | 1967-01-16 | 1970-12-31 | Electric Reduction Co | Improved cellulosic pulp process |
-
1973
- 1973-04-09 FI FI1100/73A patent/FI51604B/fi active
-
1974
- 1974-04-05 NO NO741270A patent/NO141858B/no unknown
- 1974-04-08 CH CH486174A patent/CH609395A5/xx not_active IP Right Cessation
- 1974-04-08 DE DE2417084A patent/DE2417084C3/de not_active Expired
- 1974-04-08 CA CA197,020A patent/CA1025158A/en not_active Expired
- 1974-04-09 FR FR7412406A patent/FR2224589B3/fr not_active Expired
- 1974-04-09 CS CS742562A patent/CS223859B2/cs unknown
- 1974-04-09 JP JP49040872A patent/JPS5040801A/ja active Pending
- 1974-04-09 AT AT742955A patent/ATA295574A/de not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2417084A1 (de) | 1974-10-24 |
| NO141858B (no) | 1980-02-11 |
| CH609395A5 (en) | 1979-02-28 |
| DE2417084C3 (de) | 1986-01-02 |
| ATA295574A (de) | 1978-01-15 |
| JPS5040801A (enrdf_load_stackoverflow) | 1975-04-14 |
| NO741270L (no) | 1974-10-10 |
| DE2417084B2 (de) | 1978-12-14 |
| FR2224589A1 (enrdf_load_stackoverflow) | 1974-10-31 |
| FR2224589B3 (enrdf_load_stackoverflow) | 1978-05-05 |
| CA1025158A (en) | 1978-01-31 |
| FI51604B (enrdf_load_stackoverflow) | 1976-11-01 |
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