DE2152852A1 - Verfahren zur anreicherung von organischen, der schlammstabilisierung zugaenglichen stoffen in abwasserschlaemmen - Google Patents
Verfahren zur anreicherung von organischen, der schlammstabilisierung zugaenglichen stoffen in abwasserschlaemmenInfo
- Publication number
- DE2152852A1 DE2152852A1 DE2152852A DE2152852A DE2152852A1 DE 2152852 A1 DE2152852 A1 DE 2152852A1 DE 2152852 A DE2152852 A DE 2152852A DE 2152852 A DE2152852 A DE 2152852A DE 2152852 A1 DE2152852 A1 DE 2152852A1
- Authority
- DE
- Germany
- Prior art keywords
- sludge
- organic
- solids
- phase
- enriched
- 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.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims description 56
- 238000000034 method Methods 0.000 title claims description 29
- 230000006641 stabilisation Effects 0.000 title claims description 15
- 238000011105 stabilization Methods 0.000 title claims description 15
- 230000008569 process Effects 0.000 title claims description 8
- 239000010801 sewage sludge Substances 0.000 title claims description 6
- 239000000126 substance Substances 0.000 title description 4
- 239000007787 solid Substances 0.000 claims description 18
- 229910003480 inorganic solid Inorganic materials 0.000 claims description 9
- 230000029087 digestion Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 230000008719 thickening Effects 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 239000008394 flocculating agent Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000011282 treatment Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009279 wet oxidation reaction 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
- C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/28—Strainers not provided for elsewhere
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Analytical Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Activated Sludge Processes (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE789842D BE789842A (fr) | 1971-10-23 | Procede pour la preparation de boues d'eau residuaire des installationsd'epuration et dispositif pour la mise en oeuvre du procede | |
| DE2152852A DE2152852A1 (de) | 1971-10-23 | 1971-10-23 | Verfahren zur anreicherung von organischen, der schlammstabilisierung zugaenglichen stoffen in abwasserschlaemmen |
| IT30262/72A IT968797B (it) | 1971-10-23 | 1972-10-09 | Procedimento per il trattamento di fanghi di acque di scarico di impianti di chiarificazione e dispositivo per la sua esecuzione |
| NL7213749A NL7213749A (xx) | 1971-10-23 | 1972-10-11 | |
| BR7125/72A BR7207125D0 (pt) | 1971-10-23 | 1972-10-12 | Processo para o preparo de lamas de aguas servidas de instalacoes de decantacao e dispositivo para a sua execucao |
| AU47745/72A AU4774572A (en) | 1971-10-23 | 1972-10-13 | Process for preparing wastewater sludge resulting from purification plants, and apparatus to carryout the process |
| SE1327172A SE7213271L (xx) | 1971-10-23 | 1972-10-13 | |
| DD166227A DD100233A5 (xx) | 1971-10-23 | 1972-10-13 | |
| FR7236429A FR2156729A1 (en) | 1971-10-23 | 1972-10-13 | Activated sludge conditioning - prior to dehydration and/or destruction |
| JP47101957A JPS4872967A (xx) | 1971-10-23 | 1972-10-13 | |
| DE2250446A DE2250446A1 (de) | 1971-10-23 | 1972-10-14 | Verfahren zur aufbereitung von abwasserschlaemmen aus klaeranlagen und vorrichtung zu dessen durchfuehrung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2152852A DE2152852A1 (de) | 1971-10-23 | 1971-10-23 | Verfahren zur anreicherung von organischen, der schlammstabilisierung zugaenglichen stoffen in abwasserschlaemmen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2152852A1 true DE2152852A1 (de) | 1973-04-26 |
Family
ID=5823178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2152852A Pending DE2152852A1 (de) | 1971-10-23 | 1971-10-23 | Verfahren zur anreicherung von organischen, der schlammstabilisierung zugaenglichen stoffen in abwasserschlaemmen |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4872967A (xx) |
| AU (1) | AU4774572A (xx) |
| BE (1) | BE789842A (xx) |
| BR (1) | BR7207125D0 (xx) |
| DD (1) | DD100233A5 (xx) |
| DE (1) | DE2152852A1 (xx) |
| FR (1) | FR2156729A1 (xx) |
| IT (1) | IT968797B (xx) |
| NL (1) | NL7213749A (xx) |
| SE (1) | SE7213271L (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2666026B1 (fr) * | 1990-08-24 | 1993-05-21 | Satha | Separateur de phases pour liquides charges et installation d'epuration comprenant un tel separateur. |
-
0
- BE BE789842D patent/BE789842A/xx unknown
-
1971
- 1971-10-23 DE DE2152852A patent/DE2152852A1/de active Pending
-
1972
- 1972-10-09 IT IT30262/72A patent/IT968797B/it active
- 1972-10-11 NL NL7213749A patent/NL7213749A/xx unknown
- 1972-10-12 BR BR7125/72A patent/BR7207125D0/pt unknown
- 1972-10-13 SE SE1327172A patent/SE7213271L/xx unknown
- 1972-10-13 DD DD166227A patent/DD100233A5/xx unknown
- 1972-10-13 AU AU47745/72A patent/AU4774572A/en not_active Expired
- 1972-10-13 JP JP47101957A patent/JPS4872967A/ja active Pending
- 1972-10-13 FR FR7236429A patent/FR2156729A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL7213749A (xx) | 1973-04-25 |
| FR2156729A1 (en) | 1973-06-01 |
| BR7207125D0 (pt) | 1973-09-20 |
| SE7213271L (xx) | 1973-04-24 |
| JPS4872967A (xx) | 1973-10-02 |
| AU4774572A (en) | 1974-04-26 |
| BE789842A (fr) | 1973-02-01 |
| IT968797B (it) | 1974-03-20 |
| DD100233A5 (xx) | 1973-09-12 |
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