DE2722063A1 - EQUIPMENT FOR TREATMENT OF WASTEWATER BEFORE ENTRY INTO BIOLOGICAL PURIFICATION - Google Patents
EQUIPMENT FOR TREATMENT OF WASTEWATER BEFORE ENTRY INTO BIOLOGICAL PURIFICATIONInfo
- Publication number
- DE2722063A1 DE2722063A1 DE19772722063 DE2722063A DE2722063A1 DE 2722063 A1 DE2722063 A1 DE 2722063A1 DE 19772722063 DE19772722063 DE 19772722063 DE 2722063 A DE2722063 A DE 2722063A DE 2722063 A1 DE2722063 A1 DE 2722063A1
- Authority
- DE
- Germany
- Prior art keywords
- treatment
- before entry
- substances
- drivers
- wastewater
- 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.)
- Withdrawn
Links
- 239000002351 wastewater Substances 0.000 title claims description 19
- 238000000746 purification Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 239000003925 fat Substances 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 238000005352 clarification Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 235000014593 oils and fats Nutrition 0.000 claims 1
- 210000003608 fece Anatomy 0.000 description 4
- 239000003921 oil Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012620 biological material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
- E02B8/026—Cleaning devices
-
- 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
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- 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
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
-
- 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
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
-
- 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
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtration Of Liquid (AREA)
Description
Einrichtung zur H°n?udlong von Abwässern vor Ein2rÄ2t2Q6 in die biologische Reinigung Equipment for the h ° n? Udlong of wastewater before Ein2rÄ2t2Q6 in the biological treatment
Die Erfindung betrifft eine Anlage, die in sich eine Anzahl von Funktionen vereinigt, für die in der bisher üblichen Bauweise einzelne und in der Anschaffung teure Geräte und Bauwerke vorgesehen werden müssen. Insbesondere bei kleineren und mittleren Gesamtanlagen zur Reinigung von Abwässern vor Eintritt in die biologische Reinigung stellen die Aufwendungen dieser einzelnen Geräte und Bauwerke d.h. der Sicherheitsrechen, der Anlage von Gerinnen 'zur Sandabscheidung und deren Räumeinrichtungen, sowie der Anlage von Vorklärbecken und deren Reinigungs- und Austrageinrichtungen einen erheblichen Prozentsatz der gesamten Anlagekosten dar, der bei der der Erfindung zu Grunde liegenden Einrichtung eingespart werden kann.The invention relates to a system which combines a number of functions for the conventional construction individual devices and structures that are expensive to purchase have to be provided. Especially with smaller and medium-sized ones Complete systems for the purification of wastewater before entry into the biological treatment represent the expenses of this individual Devices and structures, i.e. the safety screen, the system of flumes' for sand separation and their clearing facilities, as well as the installation of primary clarifiers and their cleaning and Discharge devices represent a significant percentage of the total system costs, those on which the invention is based Facility can be saved.
An Hand der ein Ausführungsbeispiel darstellenden Zeichnungen Fig. 1 und 2 soll das Wesen der Erfindung näher erläutert werden .With the aid of the drawings representing an exemplary embodiment 1 and 2, the essence of the invention is to be explained in more detail.
Durch den Einlauf 1 fließen die Abwässer zu, oder werden durch eine Pumpeinrichtung zugeführt. Die im Abwasser befindlichen Fäkalien, Grob- und Faserstoffe gelangen über den Einlauf 1 in den Behälter 2. Der Behälter 2 ist in der Auslaufzone 3 mit einem Spaltsieb 4 versehen, das die im Abwasser befindlichen Grob-und Faserstoffe zurückhält, während die Fäkalien zum größten Teil das Spaltsieb 4 passieren. Der im Abwasser befindliche Sand setzt sich infolge seines höheren spezifischen Gewichtes am Boden des Behälters 2 ab, während die spezifisch leichteren Grob- und Faserstoffe sich zunächst in der Schwebe befinden, und je nach derem spezifischen Gewicht an die Wasseroberfläche aufschwimmen, bzw. sich am Boden des Behälters 2 absetzen.The wastewater flows in through the inlet 1 or is supplied by a pumping device. Those located in the wastewater Feces, coarse and fibrous matter pass through the inlet 1 into the container 2. The container 2 is in the outlet zone 3 with a wedge wire screen 4 is provided, which holds back the coarse and fibrous matter in the wastewater, while the feces to the greatest extent Part of the wedge wire screen 4 pass. The sand in the wastewater settles due to its higher specific weight at the bottom of the container 2, while the specifically lighter coarse and fibrous materials are initially in suspension, and, depending on their specific weight, float to the surface of the water or settle on the bottom of the container 2.
Hinter dem Spaltsieb 4 ist eine Trennwand 5 so angeordnet, daß vor und hinter dem Spaltsieb 4 der gleiche hydrostatische Druck herrscht, wodurch ein Verstopfen des Spaltsiebes 4 durch Grob- und Faserstoffe verhindert wird. Weiter bildet das hinter der Trennwand 5 im Raum 6 befindliche Wasser mit dem im Behälter 2 bis zum Flüssigkeitsniveau 7 reichenden Wasser ein kummunizierendes System.Behind the slotted screen 4, a partition 5 is arranged so that in front of and behind the slotted screen 4 the same hydrostatic pressure prevails, whereby clogging of the slotted screen 4 is prevented by coarse and fibrous matter. Further forms behind the Partition wall 5 in space 6 is a kummunizierendes water with the water reaching up to liquid level 7 in container 2 System.
Das durch den Einlauf 1 zufließende Abwasser hebt das durch das Spaltsieb 4 von Grob- und Faserstoffen sowie Sand befreite Wasser im Raum 6 bis auf dem dem Niveau 7 entsprechende Niveau von wo aus das von Sand-Grob- und Faserstoffen freies, jedoch mit biologischen Materialien befrachtete Wasser über den Ablauf und das Rohr 11 der biologischen Reinigung zufließt.The wastewater flowing in through the inlet 1 lifts that freed from coarse and fibrous matter and sand through the wedge wire screen 4 Water in room 6 up to the level corresponding to level 7 from where the sand, coarse and fibrous matter free, however With biological materials loaded water flows over the drain and the pipe 11 of the biological cleaning.
Das Spaltsieb 4 ist mit einer Rütteleinrichtung Io verbunden, die an der Vorderseite des SpaJ-^siebes 4 gegebenenfalls festklebende Stoffe zur Ablösung bringt.The wedge wire screen 4 is connected to a vibrating device Io, the one on the front of the SpaJ- ^ sieves 4 possibly sticking Brings substances to detachment.
Falls die Zulaufmenge des ungereinigten Wassers einen vorgegebenen Wert unterschreitet, wodurch die Turbulenz im Behälter 2 nicht mehr zur Zerkleinerung der Fäkalien ausrecht, wird über ein nicht dargestelltes Mengenmessgerät, das die ZulaufmengeIf the inflow of the unpurified water is a given Falls below the value, so that the turbulence in the container 2 is no longer sufficient to crush the feces, is over a quantity measuring device, not shown, that measures the inflow quantity
-2--2-
809847/0292809847/0292
ORIGINAL INSPECTEDORIGINAL INSPECTED
des ungereinigten Wasers in einer vorgegebenen Zeiteinheit überwacht , <He Klappe; 27 am Austrag 23 über ein Verstel^gerät 28 geschlossen, wodurch die von den Mitnehmern \1 und 17transportierten Stoffen wieder in den Behälter 2 zurückfallen und deren organischen Anteil durch die Strömung zwischen Einlauf 1 und Auslauf 9 nochmals dem Spaltrieb 4 zugeführt , wobei diese durch das Spaltsieb 4 dem Auslauf 9 und die Leitung 11 in die biologische Reinigung gelangen.of the unpurified water monitored in a specified time unit, <He flap; 27 closed at the outlet 23 via an adjusting device 28, whereby the substances transported by the drivers 1 and 17 fall back into the container 2 and their organic content is again fed to the gap drive 4 by the flow between the inlet 1 and outlet 9, whereby these through the slotted sieve 4 to the outlet 9 and the line 11 get into the biological cleaning.
Weiter ist ein absporrbarer Druckwasseranschluß 12 vorgesehen um bei Bedarf den Raum hinter dem Spaltsieb 4 reinigen zu können.A pressurized water connection 12 that can be sporulated is also provided to be able to clean the space behind the wedge wire screen 4 if necessary.
In άετη Behälter 2 sind zwei in sir-h geschlossene Keti ensysterne 13 urd 14 angeordnet, die von einem nicht dargestellten polumscha)tbaren Getriebemotor über die Kettenräder 15 und 16 angetrieben werden. Die Ketten 13 und 14 sind mit Mitnehmern 17 und 17' versehen. Die Kette 13 ist über die auf den zugehörigen Achsen E'.ich frei drehenden Umlenkscheiben 18,19 und 2o geführt. Die Ki-I ten sind wie Fig. 2 zeigt mit Abstreifern 17 und 17' vorsehen wobei die Abstreifer 17 die auf dem Boden des Behälters 2 aboiesiinkc in. η Stoffe und die Mitnehmer 17' die an der Wasseroberfläche schwimmenden Stoffe zum Austrag 23 transportieren.In άετη container 2 two ke ti ensysterne 13 and 14 closed in sir-h are arranged, which are driven by a non-illustrated pole-changing gear motor via the chain wheels 15 and 16. The chains 13 and 14 are provided with drivers 17 and 17 '. The chain 13 is guided over the deflecting pulleys 18, 19 and 20 which rotate freely on the associated axes E '. The ki-I th are provided with scrapers 17 and 17 'as shown in FIG. 2, the scrapers 17 transporting the substances aboiesiinkc in.
Zwei Führungsleisten 2 1 übernehmen die Führung der abwäftsqehend'-'ii Ketten 13 samt deren Mitnehmern 17 in dem Zwischenraum zwischen dem Spaltsieb 4 und den Führungsleisten 21. Hierbei streifen die mit den Ketten verbundenen Mitnehmer 17 die vor dein Spaltsieb 4 befindlichen Grob-und Faserstoffe, sowie festsitzende Fäkalien ab, die dorthin durch die Strömung zwischen Zulauf 1 und Ablauf 9 gelangt sind, wobei die letzteren soweit zerkleinert werden, daß diese sicVi in dem im Behälter 2 befindlichen Wasser verteilen und aufschwimmen, bzw. absinken, soweit diese nicht schon vorher durch die Eiη 1 auf turbulenz zerkleinert sino. Weiter nehmen die Mitnehmer 17 den Sand und in der biologischen Reinigung nicht erwünschte Stoffe mit, die sich am Boden des Behälters 2 abgesetzt haben. Diese Stoffe werden über die Öffnung 2 3 in einen nicht dargestellten Transportbehälter, oder auf ein Transportband ausgetragen.Two guide strips 2 1 take over the leadership of the abwäftsqehend '-' ii Chains 13 together with their drivers 17 in the space between the slotted screen 4 and the guide strips 21. Here, the drivers 17 connected to the chains brush against the coarse and fibrous materials located in front of your slotted screen 4, as well as stuck feces that have got there through the flow between inlet 1 and outlet 9, the latter so far are crushed that this sicVi in the container 2 located Distribute water and float, or sink, as far as this not previously crushed by the Eiη 1 to turbulence sino. The drivers 17 also take the sand and substances that are not desired in the biological cleaning process with them, which are located at the bottom of the container 2 have discontinued. These substances are via the opening 2 3 in a transport container, not shown, or on a Conveyor belt discharged.
Die spezifisch leichteren Grob- und Faserstoffe,sowie Öle, Fette und Phenole schwimmen im Behälter 2 auf und bilden eine Schicht am Ol'f'r f lächenn ν veau 7. Die von den Kettenrädern 16 angetriebenen in sich geschlossene Ketten 14 mit den Abs tr eifern 17*sind über die Losrollen 24 und 25 geführt, wobei die Ketten auf den Führungsleisten 26 gleiten, die um die Mitnehmerhöhe 17*unter dem oberen Niveau 7 des im Behälter 2 befindlichen Wassers angeordnet sind. Hierbei nehmen die Mitnehmer 17' die an der Niveau-Oberilache 7 schwimmenden leichteren Stoffe mit und übergeben diese ^n den UmIenkrädeι η 25 auf die Mitnehmer 17 der Ketten 13, die über die öffnung 23 austragen.The specifically lighter coarse and fibrous materials, as well as oils, fats and phenols float up in the container 2 and form a layer on the oil for the smile ν veau 7. The self-contained chains 14 driven by the sprockets 16 with the Abs tr eifern 17 * are guided over the idler rollers 24 and 25, the chains sliding on the guide strips 26, which are arranged around the driver height 17 * below the upper level 7 of the water in the container 2. Here, the drivers 17 'take the lighter substances floating on the level surface 7 with them and transfer them to the drivers 17 of the chains 13, which are discharged through the opening 23.
Es wird somit in ei.;iem kontinuierlichem Arbeitsgang das durch die Zuf lußöf f nuiig 1 eintretende Abwasser in dessen Sand-Grob- und Faserstoffan tei1 einerseits und andrerseits einen mit organist! en Schwebstoffen beladenen Anteil sichergestellt, der ohne eine weitere Behandlung der biologischen Reinigung zugeführt werde η JdIiIi.It is thus carried out in one continuous operation the inflow opening only 1 wastewater entering its sand coarse and fiber content on the one hand and an organist on the other! en suspended matter-laden proportion ensured that without a further treatment of the biological purification will be added η JdIiIi.
- i- - i-
809847/0292809847/0292
Um den Austrag einem unterschiedlichen Angebot der zulaufenden Äbwassermenge anzupassen, ist der nicht dargestellte Getriebemotor
zum Antrieb des Kettensystems 13 und 14 mit einem polumschaltbaren Motor für verschiedene Drehzahlen und Geschwindigkeiten
der Ketten 13 und 14 vorgesehen. Es sind
durch die beschriebene Anordnung die Funktionen des Sicherheitsrechens, des Gerinnes für Sandabscheidung, sowie des
nachgeschalteten Vorklärbeckens in einem Aggregat vereinigt.In order to adapt the discharge to a different supply of incoming waste water, the gear motor (not shown) for driving the chain system 13 and 14 is provided with a pole-changing motor for different speeds and speeds of the chains 13 and 14. There are
the functions of the safety rake, the channel for sand separation, and the
downstream primary clarifier combined in one unit.
809847/0292809847/0292
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772722063 DE2722063A1 (en) | 1977-05-16 | 1977-05-16 | EQUIPMENT FOR TREATMENT OF WASTEWATER BEFORE ENTRY INTO BIOLOGICAL PURIFICATION |
FR7813174A FR2391166A1 (en) | 1977-05-16 | 1978-05-03 | Sewage processing before biological stage - in settling tank with wedge wire screen and endless scraper chains |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772722063 DE2722063A1 (en) | 1977-05-16 | 1977-05-16 | EQUIPMENT FOR TREATMENT OF WASTEWATER BEFORE ENTRY INTO BIOLOGICAL PURIFICATION |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2722063A1 true DE2722063A1 (en) | 1978-11-23 |
Family
ID=6009088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772722063 Withdrawn DE2722063A1 (en) | 1977-05-16 | 1977-05-16 | EQUIPMENT FOR TREATMENT OF WASTEWATER BEFORE ENTRY INTO BIOLOGICAL PURIFICATION |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2722063A1 (en) |
FR (1) | FR2391166A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3024671A1 (en) * | 1980-06-30 | 1982-01-28 | Schloemann-Siemag AG, 4000 Düsseldorf | Skimmer for liquid surface mounted on float - has endless chain with scrapers moving over liquid up ramp into receiver |
DE3248230A1 (en) * | 1982-12-27 | 1984-07-05 | Hein, Lehmann AG, 4000 Düsseldorf | DEVICE FOR SEPARATING SOLIDS FROM A LIQUID, IN PARTICULAR WATER |
DE3323290A1 (en) * | 1983-06-28 | 1985-01-10 | Helmut Ing. Löwenstein (grad.), 4807 Borgholzhausen | Process and apparatus for the treatment of waste water |
DE3326248A1 (en) * | 1983-07-21 | 1985-02-07 | Ralf F. Piepho Abwassertechnik Gmbh, 3015 Wennigsen | DEVICE FOR TREATING USED EMULSIONS, SOLUTIONS AND INDUSTRIAL WASTEWATERS OR THE LIKE |
DE3441528A1 (en) * | 1984-11-14 | 1986-05-28 | Karl 8901 Welden Wiedemann | Process and apparatus for disposing of mixtures composed of fat, organic substances and water |
DE3640847A1 (en) * | 1985-12-04 | 1987-06-11 | Passavant Werke | Process for disposing of waste from fat separator units |
DE3620602A1 (en) * | 1986-06-19 | 1987-12-23 | Lindemann Maschfab Gmbh | Apparatus for discharging sludge from a liquid tank |
DE19649814A1 (en) * | 1996-12-02 | 1998-06-04 | Emschergenossenschaft Lippever | Sedimentation basin with a rectangular layout for separating sludge from waste water |
DE102016103081A1 (en) * | 2016-02-23 | 2017-08-24 | Huber Se | screening device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1483667A (en) * | 1924-02-12 | Vaijia | ||
FR505629A (en) * | 1919-10-31 | 1920-08-03 | Henri Melix | Device for dredging leaves, in a hydraulic plant |
DE330926C (en) * | 1919-11-04 | 1920-12-24 | Eugen Geiger | Device for cleaning water polluted by floating and sinking matter |
GB307561A (en) * | 1927-12-20 | 1929-03-14 | Pulsometer Eng Co | Improvements in or relating to plant for dealing with sewage |
US3617555A (en) * | 1970-04-16 | 1971-11-02 | Standard Oil Co | Method and apparatus for removing oil and debris from water |
US3764016A (en) * | 1972-05-25 | 1973-10-09 | Rbh Cybernetics Ltd | Belt for picking up liquids |
-
1977
- 1977-05-16 DE DE19772722063 patent/DE2722063A1/en not_active Withdrawn
-
1978
- 1978-05-03 FR FR7813174A patent/FR2391166A1/en active Granted
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3024671A1 (en) * | 1980-06-30 | 1982-01-28 | Schloemann-Siemag AG, 4000 Düsseldorf | Skimmer for liquid surface mounted on float - has endless chain with scrapers moving over liquid up ramp into receiver |
DE3248230A1 (en) * | 1982-12-27 | 1984-07-05 | Hein, Lehmann AG, 4000 Düsseldorf | DEVICE FOR SEPARATING SOLIDS FROM A LIQUID, IN PARTICULAR WATER |
DE3323290A1 (en) * | 1983-06-28 | 1985-01-10 | Helmut Ing. Löwenstein (grad.), 4807 Borgholzhausen | Process and apparatus for the treatment of waste water |
DE3326248A1 (en) * | 1983-07-21 | 1985-02-07 | Ralf F. Piepho Abwassertechnik Gmbh, 3015 Wennigsen | DEVICE FOR TREATING USED EMULSIONS, SOLUTIONS AND INDUSTRIAL WASTEWATERS OR THE LIKE |
DE3441528A1 (en) * | 1984-11-14 | 1986-05-28 | Karl 8901 Welden Wiedemann | Process and apparatus for disposing of mixtures composed of fat, organic substances and water |
DE3640847A1 (en) * | 1985-12-04 | 1987-06-11 | Passavant Werke | Process for disposing of waste from fat separator units |
DE3620602A1 (en) * | 1986-06-19 | 1987-12-23 | Lindemann Maschfab Gmbh | Apparatus for discharging sludge from a liquid tank |
DE19649814A1 (en) * | 1996-12-02 | 1998-06-04 | Emschergenossenschaft Lippever | Sedimentation basin with a rectangular layout for separating sludge from waste water |
DE19649814C2 (en) * | 1996-12-02 | 1999-04-01 | Emschergenossenschaft Lippever | Sedimentation basin with a rectangular layout for separating sludge from waste water |
DE102016103081A1 (en) * | 2016-02-23 | 2017-08-24 | Huber Se | screening device |
US10648166B2 (en) | 2016-02-23 | 2020-05-12 | Huber Se | Screening device |
Also Published As
Publication number | Publication date |
---|---|
FR2391166B1 (en) | 1982-08-13 |
FR2391166A1 (en) | 1978-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
8139 | Disposal/non-payment of the annual fee |