DE2511432B2 - Verfahren zur Entgiftung von formaldehydhaltigen Abwässern - Google Patents
Verfahren zur Entgiftung von formaldehydhaltigen AbwässernInfo
- Publication number
- DE2511432B2 DE2511432B2 DE2511432A DE2511432A DE2511432B2 DE 2511432 B2 DE2511432 B2 DE 2511432B2 DE 2511432 A DE2511432 A DE 2511432A DE 2511432 A DE2511432 A DE 2511432A DE 2511432 B2 DE2511432 B2 DE 2511432B2
- Authority
- DE
- Germany
- Prior art keywords
- formaldehyde
- wastewater
- hydrogen peroxide
- weight
- reaction
- 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.)
- Ceased
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims description 170
- 239000002351 wastewater Substances 0.000 title claims description 37
- 238000000034 method Methods 0.000 title claims description 19
- 238000001784 detoxification Methods 0.000 title claims description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 47
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000003513 alkali Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000010865 sewage Substances 0.000 description 8
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 4
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000008098 formaldehyde solution Substances 0.000 description 2
- 239000004312 hexamethylene tetramine Substances 0.000 description 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZHTJVFJXNTXXOV-UHFFFAOYSA-N 1-(5-acetyl-2,6-dimethyl-1,2-dihydropyridin-3-yl)ethanone Chemical compound CC1NC(C)=C(C(C)=O)C=C1C(C)=O ZHTJVFJXNTXXOV-UHFFFAOYSA-N 0.000 description 1
- 208000007976 Ketosis Diseases 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 150000001323 aldoses Chemical class 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 150000002584 ketoses Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000012476 oxidizable substance Substances 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012619 stoichiometric conversion Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Removal Of Specific Substances (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7413932A FR2267984B1 (enrdf_load_stackoverflow) | 1974-04-22 | 1974-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2511432A1 DE2511432A1 (de) | 1975-10-30 |
| DE2511432B2 true DE2511432B2 (de) | 1980-07-17 |
Family
ID=9137943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2511432A Ceased DE2511432B2 (de) | 1974-04-22 | 1975-03-15 | Verfahren zur Entgiftung von formaldehydhaltigen Abwässern |
Country Status (11)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3221795A1 (de) * | 1982-06-09 | 1983-12-15 | Hugo Petersen Gesellschaft für verfahrenstechnischen Anlagenbau mbH & Co KG, 6200 Wiesbaden | Verfahren zum kontinuierlichen entfernen von formaldehyd aus einem gasstrom |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2286111A2 (fr) * | 1974-09-26 | 1976-04-23 | Degussa | Procede d'epuration d'eaux residuaires contenant du formaldehyde |
| JPS52150778A (en) * | 1976-06-11 | 1977-12-14 | Kureha Chem Ind Co Ltd | Treatment of waste soda solution |
| DE2931692A1 (de) | 1979-08-04 | 1981-02-26 | Basf Ag | Verfahren zur entfernung von formaldehyd aus waessrigen loesungen von 2-butindiol-1,4 |
| ES528559A0 (es) * | 1983-12-30 | 1985-05-16 | Llatas Escrig Ignacio | Procedimiento para la depuracion de aguas residuales |
| DE3412581A1 (de) * | 1984-04-04 | 1985-10-24 | KPA Kiener Pyrolyse Gesellschaft für thermische Abfallverwertung mbH, 7000 Stuttgart | Verfahren zur reinigung von gasen aus pyrolyseanlagen von abfallstoffen |
| DE3534677C1 (de) * | 1985-09-28 | 1987-04-30 | Degussa | Verfahren zur Reinigung von Industriegasen |
| DE4314521C2 (de) * | 1993-05-03 | 1996-05-30 | Eisenmann Kg Maschbau | Verfahren zur Reinigung von organisch belasteten Industrieabwässern |
| FR3100243B1 (fr) * | 2019-08-28 | 2021-07-30 | Arkema France | Elimination du formaldehyde dans les eaux usees par un traitement d'oxydation |
-
1974
- 1974-04-22 FR FR7413932A patent/FR2267984B1/fr not_active Expired
-
1975
- 1975-03-15 DE DE2511432A patent/DE2511432B2/de not_active Ceased
- 1975-03-17 IT IT67667/75A patent/IT1030361B/it active
- 1975-03-20 SE SE7503191A patent/SE7503191L/ unknown
- 1975-03-24 NO NO751017A patent/NO751017L/no unknown
- 1975-04-04 CH CH432475A patent/CH599060A5/xx not_active IP Right Cessation
- 1975-04-16 GB GB15608/75A patent/GB1495339A/en not_active Expired
- 1975-04-21 BE BE6044993A patent/BE828198A/xx not_active IP Right Cessation
- 1975-04-21 AT AT304475A patent/AT336512B/de not_active IP Right Cessation
- 1975-04-22 JP JP4826175A patent/JPS5422697B2/ja not_active Expired
- 1975-04-22 NL NL7504745A patent/NL7504745A/xx not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3221795A1 (de) * | 1982-06-09 | 1983-12-15 | Hugo Petersen Gesellschaft für verfahrenstechnischen Anlagenbau mbH & Co KG, 6200 Wiesbaden | Verfahren zum kontinuierlichen entfernen von formaldehyd aus einem gasstrom |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2267984B1 (enrdf_load_stackoverflow) | 1976-12-17 |
| FR2267984A1 (enrdf_load_stackoverflow) | 1975-11-14 |
| AT336512B (de) | 1977-05-10 |
| ATA304475A (de) | 1976-08-15 |
| DE2511432A1 (de) | 1975-10-30 |
| GB1495339A (en) | 1977-12-14 |
| NO751017L (enrdf_load_stackoverflow) | 1975-10-23 |
| JPS5422697B2 (enrdf_load_stackoverflow) | 1979-08-08 |
| BE828198A (fr) | 1975-10-21 |
| NL7504745A (nl) | 1975-10-24 |
| SE7503191L (sv) | 1975-10-23 |
| JPS512256A (enrdf_load_stackoverflow) | 1976-01-09 |
| CH599060A5 (enrdf_load_stackoverflow) | 1978-05-12 |
| IT1030361B (it) | 1979-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |