DE3138246A1 - Verfahren und vorrichtung zur behandlung von abwasser - Google Patents
Verfahren und vorrichtung zur behandlung von abwasserInfo
- Publication number
- DE3138246A1 DE3138246A1 DE19813138246 DE3138246A DE3138246A1 DE 3138246 A1 DE3138246 A1 DE 3138246A1 DE 19813138246 DE19813138246 DE 19813138246 DE 3138246 A DE3138246 A DE 3138246A DE 3138246 A1 DE3138246 A1 DE 3138246A1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- wastewater
- filtrate
- medium
- remove
- 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
- 239000002351 wastewater Substances 0.000 title claims description 113
- 238000000034 method Methods 0.000 title claims description 60
- 239000007787 solid Substances 0.000 claims description 85
- 238000011282 treatment Methods 0.000 claims description 77
- 239000000706 filtrate Substances 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 47
- 239000010865 sewage Substances 0.000 claims description 43
- 239000000126 substance Substances 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 27
- 239000007800 oxidant agent Substances 0.000 claims description 24
- 238000004065 wastewater treatment Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 230000002829 reductive effect Effects 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 17
- 239000004094 surface-active agent Substances 0.000 claims description 16
- 239000003925 fat Substances 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000011001 backwashing Methods 0.000 claims description 11
- 239000000701 coagulant Substances 0.000 claims description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000005189 flocculation Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 230000016615 flocculation Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 230000004071 biological effect Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- 230000000249 desinfective effect Effects 0.000 claims description 2
- 230000000670 limiting effect Effects 0.000 claims description 2
- 244000005700 microbiome Species 0.000 claims description 2
- 230000001546 nitrifying effect Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 239000010791 domestic waste Substances 0.000 claims 2
- 230000008719 thickening Effects 0.000 claims 2
- 238000005299 abrasion Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 229940079593 drug Drugs 0.000 claims 1
- 238000005243 fluidization Methods 0.000 claims 1
- 239000008239 natural water Substances 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 description 37
- 230000031018 biological processes and functions Effects 0.000 description 14
- 239000003599 detergent Substances 0.000 description 14
- 230000009467 reduction Effects 0.000 description 14
- 230000012010 growth Effects 0.000 description 10
- 239000004576 sand Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000033228 biological regulation Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000011368 organic material Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000012620 biological material Substances 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005352 clarification Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 206010016803 Fluid overload Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000010261 cell growth Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005108 dry cleaning Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 238000011221 initial treatment Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 239000010796 biological waste Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229950005228 bromoform Drugs 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009827 uniform distribution 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/045—Breaking emulsions with coalescers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
- Removal Of Specific Substances (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19060580A | 1980-09-25 | 1980-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3138246A1 true DE3138246A1 (de) | 1982-08-26 |
Family
ID=22702026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813138246 Ceased DE3138246A1 (de) | 1980-09-25 | 1981-09-25 | Verfahren und vorrichtung zur behandlung von abwasser |
Country Status (16)
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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3308287A1 (de) * | 1983-03-09 | 1984-09-13 | Bergwerksverband Gmbh, 4300 Essen | Verfahren und vorrichtung zum filtrieren feststoffbeladener fluessigkeiten |
| FR2565962B1 (fr) * | 1984-06-15 | 1989-12-01 | Omnium Traitement Valorisa | Procede d'epuration des eaux par voie biologique |
| IT1187671B (it) * | 1985-05-17 | 1987-12-23 | Tovo Spa | Procedimento e impianto per il trattamento di emulsioni oleose |
| US5285903A (en) * | 1992-10-13 | 1994-02-15 | Sorenson Blaine F | Method for recovering particulate and scavenging formaldehyde in a wood panel fabrication process |
| AT1014U3 (de) * | 1996-07-09 | 1997-04-25 | Norbert Ing Kosatko | Vorrichtung zur mechanischen und adsorptiven reinigung und/oder rückgewinnung von abwässern |
| AT403907B (de) * | 1996-07-09 | 1998-06-25 | Norbert Ing Kosatko | Vorrichtung zur mechanischen und adsorptiven reinigung und/oder rückgewinnung von abwässern |
| CN114195327B (zh) * | 2021-12-02 | 2023-07-25 | 何京恩 | 生活污水净化排放系统 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB293927A (en) * | 1927-04-29 | 1928-07-19 | Reginald Humphrey Lee Pennell | Improvements in or relating to the purification of liquid trades waste |
| GB1341741A (en) * | 1970-05-12 | 1973-12-25 | Ecodyne Corp | Apparatus and method of filtration |
| US3817378A (en) * | 1971-06-22 | 1974-06-18 | Hydro Clear Corp | Method and apparatus for filtering solids from a liquid effluent |
| DE2506263A1 (de) * | 1974-02-15 | 1975-08-21 | Sterling Drug Inc | Verfahren zur filterreinigung |
| DE2530722A1 (de) * | 1975-07-10 | 1977-01-13 | Mueller Wolf Ruediger | Verfahren zur nitrifikation, entmanganung und enteisenung in festbetten und biologischen festbettreaktoren |
| US4032443A (en) * | 1976-01-29 | 1977-06-28 | Sterling Drug Inc. | Removal of grease and oil from particulate bed granules by backwashing with a detergent |
| DE2608899A1 (de) * | 1976-03-04 | 1977-09-08 | Mueller Wolf Ruediger Dipl Ing | Verfahren zur verbesserung des rueckspuelvorganges bei filtern aus koernigen materialien durch den einsatz von wasserstoffperoxid (h tief 2 o tief 2 ) |
| DE2822497A1 (de) * | 1978-05-23 | 1979-11-29 | Egyesuelt Mueszaki Toemito Es | Verfahren und vorrichtung zur reinigung von verschmutztem wasser |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1033669A (en) * | 1972-06-28 | 1978-06-27 | Allen Clamen | Control of aerobic biological growth in activated carbon waste water treatment |
| GB1449342A (en) * | 1974-01-03 | 1976-09-15 | British Petroleum Co | Process for reducing the oil conentt of aqueous effluents |
| FR2456539A1 (fr) * | 1979-05-15 | 1980-12-12 | Raffinage Cie Francaise | Procede d'epuration d'eaux contenant des hydrocarbures |
-
1981
- 1981-09-16 AU AU75287/81A patent/AU551752B2/en not_active Ceased
- 1981-09-21 ZA ZA816522A patent/ZA816522B/xx unknown
- 1981-09-23 BE BE1/10322A patent/BE890458A/fr not_active IP Right Cessation
- 1981-09-23 FR FR8117955A patent/FR2490620B1/fr not_active Expired
- 1981-09-24 GB GB8128885A patent/GB2084041B/en not_active Expired
- 1981-09-24 NL NL8104402A patent/NL8104402A/nl not_active Application Discontinuation
- 1981-09-24 KR KR8103568A patent/KR890000704B1/ko not_active Expired
- 1981-09-24 SE SE8105659A patent/SE8105659L/xx unknown
- 1981-09-24 MX MX189314A patent/MX159327A/es unknown
- 1981-09-24 NO NO813255A patent/NO813255L/no unknown
- 1981-09-24 BR BR8106104A patent/BR8106104A/pt unknown
- 1981-09-24 IT IT24136/81A patent/IT1139489B/it active
- 1981-09-25 CH CH6213/81A patent/CH647742A5/fr not_active IP Right Cessation
- 1981-09-25 JP JP56151889A patent/JPS5787893A/ja active Granted
- 1981-09-25 DE DE19813138246 patent/DE3138246A1/de not_active Ceased
- 1981-09-25 AT AT4125/81A patent/AT393497B/de not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB293927A (en) * | 1927-04-29 | 1928-07-19 | Reginald Humphrey Lee Pennell | Improvements in or relating to the purification of liquid trades waste |
| GB1341741A (en) * | 1970-05-12 | 1973-12-25 | Ecodyne Corp | Apparatus and method of filtration |
| US3817378A (en) * | 1971-06-22 | 1974-06-18 | Hydro Clear Corp | Method and apparatus for filtering solids from a liquid effluent |
| DE2506263A1 (de) * | 1974-02-15 | 1975-08-21 | Sterling Drug Inc | Verfahren zur filterreinigung |
| DE2530722A1 (de) * | 1975-07-10 | 1977-01-13 | Mueller Wolf Ruediger | Verfahren zur nitrifikation, entmanganung und enteisenung in festbetten und biologischen festbettreaktoren |
| US4032443A (en) * | 1976-01-29 | 1977-06-28 | Sterling Drug Inc. | Removal of grease and oil from particulate bed granules by backwashing with a detergent |
| DE2608899A1 (de) * | 1976-03-04 | 1977-09-08 | Mueller Wolf Ruediger Dipl Ing | Verfahren zur verbesserung des rueckspuelvorganges bei filtern aus koernigen materialien durch den einsatz von wasserstoffperoxid (h tief 2 o tief 2 ) |
| DE2822497A1 (de) * | 1978-05-23 | 1979-11-29 | Egyesuelt Mueszaki Toemito Es | Verfahren und vorrichtung zur reinigung von verschmutztem wasser |
Non-Patent Citations (1)
| Title |
|---|
| Moderne Abwasserreinigungsverfahren, Münchner Beiträge zur Abwasser-, Fischerei- und Fluß- biologie, Bd. 29, R. Oldenbourg Verlag, 1978, S. 47-49 und S. 211-212 * |
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 |
|---|---|
| ATA412581A (de) | 1991-04-15 |
| IT8124136A0 (it) | 1981-09-24 |
| JPH0119959B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-04-13 |
| NO813255L (no) | 1982-03-26 |
| KR830007442A (ko) | 1983-10-21 |
| BE890458A (fr) | 1982-03-23 |
| FR2490620B1 (fr) | 1987-09-04 |
| BR8106104A (pt) | 1982-06-15 |
| ZA816522B (en) | 1982-09-29 |
| JPS5787893A (en) | 1982-06-01 |
| KR890000704B1 (en) | 1989-03-27 |
| GB2084041A (en) | 1982-04-07 |
| SE8105659L (sv) | 1982-03-26 |
| NL8104402A (nl) | 1982-04-16 |
| AU551752B2 (en) | 1986-05-08 |
| FR2490620A1 (fr) | 1982-03-26 |
| IT1139489B (it) | 1986-09-24 |
| AT393497B (de) | 1991-10-25 |
| GB2084041B (en) | 1985-08-21 |
| AU7528781A (en) | 1982-04-01 |
| CH647742A5 (fr) | 1985-02-15 |
| MX159327A (es) | 1989-05-17 |
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