CA1139507A - Process for deodorizing evaporation condensates in the pulp industry - Google Patents
Process for deodorizing evaporation condensates in the pulp industryInfo
- Publication number
- CA1139507A CA1139507A CA000350593A CA350593A CA1139507A CA 1139507 A CA1139507 A CA 1139507A CA 000350593 A CA000350593 A CA 000350593A CA 350593 A CA350593 A CA 350593A CA 1139507 A CA1139507 A CA 1139507A
- Authority
- CA
- Canada
- Prior art keywords
- evaporation
- hydrogen peroxide
- condensate
- added
- condensates
- 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
- 238000001704 evaporation Methods 0.000 title claims abstract description 47
- 230000008020 evaporation Effects 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims description 34
- 230000001877 deodorizing effect Effects 0.000 title claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims 4
- 239000001913 cellulose Substances 0.000 claims 3
- 229920002678 cellulose Polymers 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- ZFFTZDQKIXPDAF-UHFFFAOYSA-N 2-Furanmethanethiol Chemical compound SCC1=CC=CO1 ZFFTZDQKIXPDAF-UHFFFAOYSA-N 0.000 claims 2
- 230000029087 digestion Effects 0.000 claims 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims 2
- 239000002699 waste material Substances 0.000 claims 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims 1
- 238000007792 addition Methods 0.000 claims 1
- 150000002978 peroxides Chemical class 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- WQDSRJBTLILEEK-UHFFFAOYSA-N sulfurous acid Chemical compound OS(O)=O.OS(O)=O WQDSRJBTLILEEK-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 12
- 239000012190 activator Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 description 3
- 235000010269 sulphur dioxide Nutrition 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000010959 steel Substances 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
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
- D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
Landscapes
- Paper (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Detergent Compositions (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2928652.0 | 1979-07-16 | ||
| DE19792928652 DE2928652A1 (de) | 1979-07-16 | 1979-07-16 | Verfahren zur desodorierung von eindampfkondensaten in der zellstoffindustrie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1139507A true CA1139507A (en) | 1983-01-18 |
Family
ID=6075827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000350593A Expired CA1139507A (en) | 1979-07-16 | 1980-04-24 | Process for deodorizing evaporation condensates in the pulp industry |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT375108B (no) |
| CA (1) | CA1139507A (no) |
| CH (1) | CH645147A5 (no) |
| DE (1) | DE2928652A1 (no) |
| FR (1) | FR2461777A1 (no) |
| IT (1) | IT1128928B (no) |
| NO (1) | NO801311L (no) |
| SE (1) | SE445654B (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015171653A1 (en) * | 2014-05-06 | 2015-11-12 | Weyerhaeuser Nr Company | Reduced furfural content in polyacrylic acid crosslinked cellulose fibers |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4442226A1 (de) * | 1994-11-26 | 1995-06-14 | Goes Ges Fuer Sanierungsmasnah | Verfahren zum Dekontaminieren von thixotropen, wässrigen, ligninhaltigen Schlämmen |
| SE0702610L (sv) * | 2007-11-26 | 2009-04-21 | Processum Biorefinery Initiative Ab | Förfarande för utvinning av ammoniumsalt och metanol ur vätska emanerande från orent kondensat, som uppstår vid cellulosamassaframställning |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE176690C (no) * | ||||
| DE218344C (no) * | ||||
| DE340126C (de) * | 1919-02-27 | 1921-09-01 | Ludwig Schmidt Dr | Verfahren zur Geruchsverbesserung von Sulfatterpentinoel |
| US2409614A (en) * | 1942-01-15 | 1946-10-22 | Hercules Powder Co Ltd | Refining sulfate turpentine |
| US3705098A (en) * | 1971-02-22 | 1972-12-05 | Fmc Corp | Sewage treatment with hydrogen peroxide |
| FR2192981B1 (no) * | 1972-07-21 | 1988-11-10 | Air Liquide Fr | |
| US3796628A (en) * | 1972-09-12 | 1974-03-12 | Cariboo Pulp And Paper Co | Method for reducing sulfide odors from kraft mill lime kiln stacks |
-
1979
- 1979-07-16 DE DE19792928652 patent/DE2928652A1/de not_active Withdrawn
-
1980
- 1980-04-14 FR FR8008322A patent/FR2461777A1/fr active Granted
- 1980-04-24 CA CA000350593A patent/CA1139507A/en not_active Expired
- 1980-05-05 NO NO801311A patent/NO801311L/no unknown
- 1980-07-10 IT IT68096/80A patent/IT1128928B/it active
- 1980-07-15 SE SE8005174A patent/SE445654B/sv unknown
- 1980-07-15 AT AT0367680A patent/AT375108B/de not_active IP Right Cessation
- 1980-07-15 CH CH543880A patent/CH645147A5/de not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015171653A1 (en) * | 2014-05-06 | 2015-11-12 | Weyerhaeuser Nr Company | Reduced furfural content in polyacrylic acid crosslinked cellulose fibers |
| US11725339B2 (en) | 2014-05-06 | 2023-08-15 | International Paper Company | Reduced furfural content in polyacrylic acid crosslinked cellulose fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| NO801311L (no) | 1981-01-19 |
| FR2461777B1 (no) | 1984-10-19 |
| DE2928652A1 (de) | 1981-02-19 |
| ATA367680A (de) | 1983-11-15 |
| IT8068096A0 (it) | 1980-07-10 |
| FR2461777A1 (fr) | 1981-02-06 |
| SE8005174L (sv) | 1981-01-17 |
| CH645147A5 (en) | 1984-09-14 |
| SE445654B (sv) | 1986-07-07 |
| IT1128928B (it) | 1986-06-04 |
| AT375108B (de) | 1984-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |