CH678177A5 - - Google Patents
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- Publication number
- CH678177A5 CH678177A5 CH50989A CH50989A CH678177A5 CH 678177 A5 CH678177 A5 CH 678177A5 CH 50989 A CH50989 A CH 50989A CH 50989 A CH50989 A CH 50989A CH 678177 A5 CH678177 A5 CH 678177A5
- Authority
- CH
- Switzerland
- Prior art keywords
- surfactants
- waste water
- dirt load
- diffuser
- process step
- Prior art date
Links
- 239000002351 wastewater Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 24
- 239000004094 surface-active agent Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 238000005188 flotation Methods 0.000 claims description 12
- 239000010802 sludge Substances 0.000 claims description 12
- 239000002736 nonionic surfactant Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000005189 flocculation Methods 0.000 claims description 4
- 230000016615 flocculation Effects 0.000 claims description 4
- 239000010842 industrial wastewater Substances 0.000 claims description 4
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 229920000620 organic polymer Polymers 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000693 micelle Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 1
- 229920000867 polyelectrolyte Polymers 0.000 description 6
- 125000002091 cationic group Chemical group 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 241000446313 Lamella Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000000985 reactive dye Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920001448 anionic polyelectrolyte Polymers 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- JBJMZCVEBLDYCA-UHFFFAOYSA-N didodecyl butanedioate Chemical compound CCCCCCCCCCCCOC(=O)CCC(=O)OCCCCCCCCCCCC JBJMZCVEBLDYCA-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 229940006186 sodium polystyrene sulfonate Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000988 sulfur dye Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 238000000733 zeta-potential measurement Methods 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/547—Tensides
-
- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/685—Devices for dosing the additives
Landscapes
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
- Physical Water Treatments (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH50989A CH678177A5 (enrdf_load_stackoverflow) | 1989-02-14 | 1989-02-14 | |
| DE19904003055 DE4003055A1 (de) | 1989-02-14 | 1990-02-02 | Verfahren zur aufarbeitung von industriellem abwasser sowie vorrichtung zur durchfuehrung des verfahrens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH50989A CH678177A5 (enrdf_load_stackoverflow) | 1989-02-14 | 1989-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH678177A5 true CH678177A5 (enrdf_load_stackoverflow) | 1991-08-15 |
Family
ID=4188634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH50989A CH678177A5 (enrdf_load_stackoverflow) | 1989-02-14 | 1989-02-14 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH678177A5 (enrdf_load_stackoverflow) |
| DE (1) | DE4003055A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128665C1 (enrdf_load_stackoverflow) * | 1991-08-29 | 1993-03-04 | K-Pack Systems International, Neede, Nl | |
| DE19517231A1 (de) * | 1995-05-15 | 1996-11-21 | Stockhausen Chem Fab Gmbh | Verfahren zur Reinigung von Abwässern der Leder-, Lederfaser- und Pelzindustrie |
| DE102004047010A1 (de) | 2004-09-28 | 2006-03-30 | KOWITEC Ingenieurgesellschaft für Wassertechnik mbH | Vorrichtung und Verfahren zur Abwasserreinigung |
-
1989
- 1989-02-14 CH CH50989A patent/CH678177A5/de not_active IP Right Cessation
-
1990
- 1990-02-02 DE DE19904003055 patent/DE4003055A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE4003055A1 (de) | 1990-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |