EP1117620A1 - Purifying structures for doping physico-biological reactors - Google Patents
Purifying structures for doping physico-biological reactorsInfo
- Publication number
- EP1117620A1 EP1117620A1 EP00951605A EP00951605A EP1117620A1 EP 1117620 A1 EP1117620 A1 EP 1117620A1 EP 00951605 A EP00951605 A EP 00951605A EP 00951605 A EP00951605 A EP 00951605A EP 1117620 A1 EP1117620 A1 EP 1117620A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- structures
- fixed
- heated
- treatment
- membrane
- 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- Withdrawn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
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
- C02F3/04—Aerobic processes using trickle filters
-
- 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
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
Definitions
- the present invention relates to specific purification structures, in particular for the lining of basins and other particle separators.
- the main object of the present invention is therefore to remedy these drawbacks, by proposing on the one hand the improvement of the extraction of components refractory to purification, preferably in pretreatment and, on the other hand new forms of doping of fixed culture reactors.
- the present invention relates to the choice of materials and structures preexisting or not, with the following main embodiments:
- Loop biological doping structures the first stage consisting of a plastic bacterial trickle bed with heated support, surmounting an anoxia pool with fixed cultures heated and supplied with mainly microbiological and carbon substrates coming from composting or equivalent , in direct or indirect supply,
- these solutions can be used in pretreatment works, pits and basins, for the elimination of suspended matter, more or less organic or toxic, preexisting or produced by change of state.
- Main execution models are described and illustrated below by way of example:
- - Figure 1 is a sectional view of the doping structures, preferably in pretreatment, illustrating the purification functions and their positioning in reactors of the all-tank type reactors
- - Figure 2 brings together the doping components linked to the main stage purification, in an aerated lagoon tidal model, fixed cultures floating or not, heated and redox and controlled feeding,
- FIG. 1A A pretreatment with two stages combined or not, the first stage (FIG. 1A) consisting of an all-water tank (1) receives the effluent to be treated (2) modified by adding or not adding ion sequestrants (3
- the second stage favors the change of state by adding an adjuvant, sulfuric acid for example (7) and other molecules or ions, which frequently involves an associated neutralization at the output (8).
- the main stage called secondary purification of concentrated and more or less toxic organic effluents, is optimized through the use of specific fixed cultures boosted by localized heating, and their positioning in and out of a partitioned lagoon or a tidal channel.
- the first fixed culture system corresponds to a compartment containing biological supports, fixed or mobile, regenerable or consumable, heated floating (16), suspended (17) or attached to a filter membrane (18), heating, liquids or walls hot, being diffuse in this compartment of reduced volume or associated directly with the support materials.
- the finishing and safety treatments ( Figures 3), independent tertiary treatments, with or without recycling, more compact, also use two stages of fixed cultures, an infiltration-percolation (26) on a well ventilated medium, preferably a mixture of grains and fibers (27) with an anoxic basin with movable fixed cultures and supplied with carbonaceous substrate to boost denitrification, and a so-called suspended hydroponic composite system (28) consisting of a variable level tank to control the ventilation and initial implementation of macrophytes (29), with an inlet compartment, extraction of suspended matter and flow regulation (30), fibrous and granular filtering partitions with removable fixed or mobile cartridges (31 ), defining areas of open water with root system (32) and supporting an organic level of vegetation resting on a grid and geosynthetics (33), the fine compartment al allowing rejection and quality control (34).
- a suspended hydroponic composite system consisting of a variable level tank to control the ventilation and initial implementation of macrophytes (29), with an inlet compartment, extraction of suspended matter and flow regulation
- This set of doping structures thus makes it possible to optimize the operation of a biological purification treatment sector, in particular, for the functions of elimination of nitrogen and refractory organic materials.
- all or part of the three doping stages are associated with any process for the treatment of organic effluents, more or less concentrated and toxic, in the form of independent and evolving modules.
- the general principle of operation can be described from the observation of the fate of a feed of the evolving sector by an evolved leachate called hard or little biodegradable resulting from the deposit of old household waste.
- the effluent arriving by gravity or by pumping is injected into the first tank ( Figure 1 A), after injection of a ferric salt specifically conditioned for better sequestration of metals in the form or not of sulphides.
- the filtering wall trapping the suspended solids is cleaned by jet in situ or outside, for example once a week.
- the sludge is extracted several times a day.
- the second tank ( Figure 1B) of mainly organic detoxification stirred, the contact of the effluent acidified by sulfuric acid to insolubilize humic substances, with hot walls for example electrically heated, promotes concentration and extraction, after scraping of the newly formed suspended matter.
- the effluent prepared for biological action after careful pre-aeration, enters a floating compartment (19) partitioning the aerated basin which itself receives the liquids enriched by the external biological loops (23, 25).
- This compartment is lined with corn cobs, "honeycombs", which serve as a support for fixed cultures and as an emitter of easily biodegradable organic substrate.
- the bottom of this floating reactor operating with internal and external recycling, is in semi-permeable geotextile, allowing the effluent to drain into the basin while meeting a new suspended, very active fixed culture.
- a tubular heating device locally heats the fixed cultures.
- the outer loops participate in the purification, through the fixed cultures heated by the support and to regularly provide biological ferments.
- a fraction of pond effluent sequentially sprinkles a corn waste compost (23) which produces juices rich in microorganisms and enzymes.
- the enriched effluent joins the trickling bacterial bed loop, favorable to nitrification (25) and a denitrification compartment with a more carbon-less mobile support, before returning to the main basin.
- the finishing equipment essential to the search for high levels of treatment contributes to the final elimination of all forms of pollution and constitutes the safety and tertiary treatment stage.
- the first biological filter heated in winter (26) receives, in sequence, in alternation and by surface fractions in drip, a one-pass feed in this example.
- the perfectly nitrified effluent joins a post-denitrification stage with mobile fixed cultures enriched at least in carbon.
- the second finishing filter (28) provides "total quality" in combination with the other treatment stages.
- the effluent is freed from its more or less contaminated suspended matter in the feed compartment and by passage through the filter dikes which also trap the residual phosphorus and other undesirable elements.
- the suspended hydroponic culture is implemented by planting macrophytes and partial immersion of the organic substrate, at equilibrium, the lower level allows forced ventilation, and the roots biological support participates in the purification thanks to fixed cultures, heated l winter, and carbonaceous excretates. The infrequent washing of the compartments allows the extraction of excess sludge in all of the tertiary liquid compartments.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
- Physical Water Treatments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9908049 | 1999-06-21 | ||
FR9908049A FR2795067B3 (en) | 1999-06-21 | 1999-06-21 | ACTIVE DEPURATION STRUCTURES FOR DOPING PHYSICO-BIOLOGICAL REACTORS |
PCT/FR2000/001683 WO2000078683A1 (en) | 1999-06-21 | 2000-06-19 | Purifying structures for doping physico-biological reactors |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1117620A1 true EP1117620A1 (en) | 2001-07-25 |
Family
ID=9547232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00951605A Withdrawn EP1117620A1 (en) | 1999-06-21 | 2000-06-19 | Purifying structures for doping physico-biological reactors |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1117620A1 (en) |
FR (1) | FR2795067B3 (en) |
WO (1) | WO2000078683A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL370001A1 (en) * | 2001-11-14 | 2005-05-16 | Dharma Living Systems, Inc. | Integrated hydroponic and fixed-film wastewater treatment systems and associated methods |
FR2963340B1 (en) * | 2010-07-29 | 2013-03-08 | Aquatrium | DEVICE FOR FILTRATION OF WASTE WATER COMPRISING A CHENAL IN WHICH PLANT ROOTS DEVELOP |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2815507A1 (en) * | 1978-04-10 | 1979-10-18 | Walter Dr Albersmeyer | METHOD AND DEVICE FOR THERMOPHILIC BIOCHEMICAL SEWAGE PURIFICATION |
BE1002648A4 (en) * | 1988-06-23 | 1991-04-23 | Faculte Des Sciences Agron De | Continuous methanisable effluent purification method |
NL9200845A (en) * | 1992-05-13 | 1993-12-01 | Epenhuysen Chem Fab | FERTILIZER SOLUTION, METHOD FOR PREPARING THIS FERTILIZER SOLUTION AND USE THEREOF |
JP3302227B2 (en) * | 1995-09-06 | 2002-07-15 | シャープ株式会社 | Wastewater treatment device and wastewater treatment method |
-
1999
- 1999-06-21 FR FR9908049A patent/FR2795067B3/en not_active Expired - Lifetime
-
2000
- 2000-06-19 EP EP00951605A patent/EP1117620A1/en not_active Withdrawn
- 2000-06-19 WO PCT/FR2000/001683 patent/WO2000078683A1/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO0078683A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2795067A1 (en) | 2000-12-22 |
FR2795067B3 (en) | 2001-10-12 |
WO2000078683A1 (en) | 2000-12-28 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20010517 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DAUTAIS, JEAN-PIERRE |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: DAUTAIS, JEAN-PIERRE |
|
17Q | First examination report despatched |
Effective date: 20071019 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20080103 |