CH626864A5 - Process and arrangement for treating liquids, in particular waste water. - Google Patents
Process and arrangement for treating liquids, in particular waste water. Download PDFInfo
- Publication number
- CH626864A5 CH626864A5 CH154778A CH154778A CH626864A5 CH 626864 A5 CH626864 A5 CH 626864A5 CH 154778 A CH154778 A CH 154778A CH 154778 A CH154778 A CH 154778A CH 626864 A5 CH626864 A5 CH 626864A5
- Authority
- CH
- Switzerland
- Prior art keywords
- sludge
- liquid
- cleaning
- pretreatment
- biological treatment
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 19
- 239000002351 wastewater Substances 0.000 title claims description 10
- 230000008569 process Effects 0.000 title claims description 7
- 239000010802 sludge Substances 0.000 claims description 46
- 238000004140 cleaning Methods 0.000 claims description 39
- 239000000126 substance Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 7
- 239000010801 sewage sludge Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims 1
- 230000015271 coagulation Effects 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000008394 flocculating agent Substances 0.000 claims 1
- 238000010979 pH adjustment Methods 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009423 ventilation 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Analytical Chemistry (AREA)
- Physical Water Treatments (AREA)
- Biological Treatment Of Waste Water (AREA)
- Treatment Of Sludge (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7701608A NL7701608A (nl) | 1977-02-16 | 1977-02-16 | Werkwijze en stelsel voor het behandelen van vloeistoffen, in het bijzonder afvalwater. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH626864A5 true CH626864A5 (en) | 1981-12-15 |
Family
ID=19827985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH154778A CH626864A5 (en) | 1977-02-16 | 1978-02-13 | Process and arrangement for treating liquids, in particular waste water. |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS53103660A (fr) |
| AT (1) | AT360448B (fr) |
| AU (1) | AU515362B2 (fr) |
| BE (1) | BE864005A (fr) |
| BR (1) | BR7800917A (fr) |
| CA (1) | CA1113193A (fr) |
| CH (1) | CH626864A5 (fr) |
| DE (1) | DE2805461A1 (fr) |
| DK (1) | DK70778A (fr) |
| ES (1) | ES467000A1 (fr) |
| FR (1) | FR2380990A1 (fr) |
| GB (1) | GB1593132A (fr) |
| IT (1) | IT1105861B (fr) |
| NL (1) | NL7701608A (fr) |
| NO (1) | NO780526L (fr) |
| PT (1) | PT67653B (fr) |
| SE (1) | SE7801737L (fr) |
| ZA (1) | ZA78555B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3822508A1 (de) * | 1988-07-04 | 1990-01-11 | Didier Werke Ag | Verfahren zum reinigen von waessern |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8007096A (nl) * | 1980-12-30 | 1982-07-16 | Pielkenrood Vinitex Bv | Inrichting voor het met behulp van gasbelletjes opdrijvend maken van een in een vloeistof gesuspendeerde bestanddelen. |
| DE3239471C2 (de) * | 1982-10-25 | 1986-11-06 | Preussag Ag, 3000 Hannover Und 1000 Berlin | Reinigungsstufe zur Flüssigkeitsaufbereitung, insbesondere zur Abwasser-, Brauchwasser- oder Trinkwasseraufbereitung |
| JPS63182100A (ja) * | 1987-01-23 | 1988-07-27 | Toyota Motor Corp | 水溶性切削・研削廃液の処理方法 |
| AU618454B2 (en) * | 1990-02-28 | 1991-12-19 | Syskill (Australia) Pty. Ltd. | Waste water treatment |
| US6890429B2 (en) | 2003-06-18 | 2005-05-10 | Hog Slat, Inc. | Systems and methods for treating waste water |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1816932C3 (de) * | 1968-12-24 | 1979-02-08 | Rainer Dr.-Ing. 2807 Achim Born | Verfahren zur Reinigung von Abwasser mit einer Flotationsstufe |
| SE368776B (fr) * | 1969-06-28 | 1974-07-22 | Pielkenrood Vinitex Bv | |
| CH546209A (de) * | 1972-07-26 | 1974-02-28 | Norm Amc Ag | Verfahren und einrichtung zur mechanisch-biologischen reinigung von abwasser und anwendung des verfahrens. |
| HU184526B (en) * | 1972-07-29 | 1984-09-28 | Tatabanyai Szenbanyak | Method and apparatus for purifyng thin manures and sewages of plantlike animal keeping |
| NL7317649A (nl) * | 1973-12-22 | 1975-06-24 | Pielkenrood Vinitex Bv | Werkwijze en inrichting voor het afscheiden van in een vloeistof gesuspendeerde bestanddelen. |
-
1977
- 1977-02-16 NL NL7701608A patent/NL7701608A/xx not_active Application Discontinuation
-
1978
- 1978-01-30 ZA ZA00780555A patent/ZA78555B/xx unknown
- 1978-01-31 GB GB3781/78A patent/GB1593132A/en not_active Expired
- 1978-02-03 AU AU32975/78A patent/AU515362B2/en not_active Expired
- 1978-02-09 DE DE19782805461 patent/DE2805461A1/de not_active Withdrawn
- 1978-02-10 AT AT97678A patent/AT360448B/de not_active IP Right Cessation
- 1978-02-10 CA CA296,683A patent/CA1113193A/fr not_active Expired
- 1978-02-13 CH CH154778A patent/CH626864A5/de not_active IP Right Cessation
- 1978-02-14 PT PT6765378A patent/PT67653B/pt unknown
- 1978-02-15 IT IT333178A patent/IT1105861B/it active
- 1978-02-15 SE SE7801737A patent/SE7801737L/xx unknown
- 1978-02-15 FR FR7804241A patent/FR2380990A1/fr active Granted
- 1978-02-15 ES ES467000A patent/ES467000A1/es not_active Expired
- 1978-02-15 BR BR7800917A patent/BR7800917A/pt unknown
- 1978-02-15 NO NO780526A patent/NO780526L/no unknown
- 1978-02-16 JP JP1601178A patent/JPS53103660A/ja active Pending
- 1978-02-16 DK DK70778A patent/DK70778A/da not_active Application Discontinuation
- 1978-02-16 BE BE185209A patent/BE864005A/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3822508A1 (de) * | 1988-07-04 | 1990-01-11 | Didier Werke Ag | Verfahren zum reinigen von waessern |
Also Published As
| Publication number | Publication date |
|---|---|
| DK70778A (da) | 1978-08-17 |
| NL7701608A (nl) | 1978-08-18 |
| NO780526L (no) | 1978-08-17 |
| PT67653B (en) | 1979-07-19 |
| ZA78555B (en) | 1978-12-27 |
| IT7803331A0 (it) | 1978-02-15 |
| ES467000A1 (es) | 1978-11-01 |
| PT67653A (en) | 1978-03-01 |
| DE2805461A1 (de) | 1978-08-17 |
| AU515362B2 (en) | 1981-04-02 |
| IT1105861B (it) | 1985-11-04 |
| BR7800917A (pt) | 1979-01-02 |
| FR2380990B1 (fr) | 1982-09-10 |
| JPS53103660A (en) | 1978-09-09 |
| GB1593132A (en) | 1981-07-15 |
| SE7801737L (sv) | 1978-08-17 |
| CA1113193A (fr) | 1981-11-24 |
| ATA97678A (de) | 1980-05-15 |
| FR2380990A1 (fr) | 1978-09-15 |
| BE864005A (nl) | 1978-08-16 |
| AU3297578A (en) | 1979-08-09 |
| AT360448B (de) | 1980-01-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |