WO2003006385A2 - Materiau textile s'utilisant dans une station d'epuration biologique - Google Patents

Materiau textile s'utilisant dans une station d'epuration biologique Download PDF

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Publication number
WO2003006385A2
WO2003006385A2 PCT/DE2002/002492 DE0202492W WO03006385A2 WO 2003006385 A2 WO2003006385 A2 WO 2003006385A2 DE 0202492 W DE0202492 W DE 0202492W WO 03006385 A2 WO03006385 A2 WO 03006385A2
Authority
WO
WIPO (PCT)
Prior art keywords
textile material
effect
material according
frame
carrying device
Prior art date
Application number
PCT/DE2002/002492
Other languages
German (de)
English (en)
Other versions
WO2003006385A3 (fr
Inventor
Peter Langendorf
Original Assignee
Peter Langendorf
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE2001132546 external-priority patent/DE10132546C1/de
Priority claimed from DE2001143367 external-priority patent/DE10143367A1/de
Application filed by Peter Langendorf filed Critical Peter Langendorf
Publication of WO2003006385A2 publication Critical patent/WO2003006385A2/fr
Publication of WO2003006385A3 publication Critical patent/WO2003006385A3/fr

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
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/103—Textile-type packing
    • 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
    • C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
    • 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 a textile material for use in a biological sewage treatment plant using, in particular, fibrous or looped (knitted) effect structures.
  • the present invention also relates to an effect structure for use in the aforementioned textile material, a method for producing the aforementioned textile material, a carrying device for inserting or hanging in the basin of the sewage treatment plant, a waste water purification module, and a method for operating a biological sewage treatment plant Use of the textile material.
  • gas e.g. B. initiated oxygen to carry out an aerobic wastewater treatment.
  • the gas rises to the surface of the water and is consumed by microorganisms in the clarifier.
  • flat textile materials are positioned in the areas through which gas flows, so that microorganisms on the side surfaces of the textile material grow with the continuous addition of gas and a food supply to form a biofilm.
  • the water purification takes place anaerobically without the supply of oxygen in the absence of air.
  • the textile material is suspended by means of a support rod and a weight provided at the opposite end of the textile material.
  • the effect structure of this known textile material (loop fabric) is arranged as a so-called “vegetation strip” in the form of strips in the longitudinal direction, ie from top to bottom.
  • the spacer strips are knitted from warp and weft threads.
  • the strip-like effect structure and the aforementioned spacer strips thus represent the mechanical This results in the textile material stretching, ie elongating, over the course of time, which means that its underside rests with the guide rod (weight) on the ventilation devices and, because of this, it closes
  • the vertical growth strips do not use the turbulence of the flow sufficiently for the biological control of the biofilm, and the production of the known textile material is relatively complex.
  • the object of the present invention is to provide a textile material which has a reduced tendency to "elongate” under load and at the same time permits higher biological activity and can be produced comparatively easily.
  • the present object is achieved in that, in addition to the effect structures, in the longitudinal direction of the textile material a mechanical load-bearing capacity is provided.
  • the effect structure for forming the biofilm is decoupled from the supporting structure.
  • the supporting structure can therefore be designed mechanically accordingly, for. B. consist of high-strength materials that rule out an "elongation" under load.
  • the effect structures themselves can be optimized for the biological process in terms of an optimal shape, arrangement and distribution without mechanical stability requirements.
  • the effect structures can be - if necessary - produce separately and can then be connected to the supporting structure.
  • the textile material is intended as wide goods.
  • the supporting structure extends over the entire width of a carrying device for inserting the textile material into the basin.
  • the effect structures are expediently welded, glued, sewn, forged, interwoven or interwoven with the supporting structure.
  • a combination of the aforementioned types of connection can also be provided.
  • the supporting base structure expediently has the mechanical load
  • Warp threads the effect structures being entered in the weft direction.
  • a wide variety of shapes and arrangements of effect structures can be produced in a simple manner using comparatively simple machine technology.
  • the effect structures are preferably formed by effect material introduced in the weft direction (for example fancy yarn, loop carrier or thread material which is applied in a manner optimized for growth), preferably with the formation of loops.
  • effect material introduced in the weft direction for example fancy yarn, loop carrier or thread material which is applied in a manner optimized for growth
  • the supporting structure has weft threads, the effect structures additionally, ie. H. in addition to these weft threads are provided.
  • the effect structures can accordingly be stored, for example, and subsequently applied to a fabric during and / or after it has been created.
  • Fabrics for the base structure with the formation of weft and warp threads can be produced at very high production speeds.
  • the complete textile material can then be completed with the incorporation of effect structures.
  • the transverse elasticity can be 0, the effect structure can be soft, elastic or diagonal.
  • Expedient structure strips are expediently used as effect structures, which are arranged either running transversely or obliquely to the longitudinal axis of the textile material, forming passage areas. This results in lattice-like structures with a horizontal or diagonal shape, which improve the formation of turbulence in the medium flowing around the clarification reactor, which in turn improves the self-cleaning of the textile material, i. H. benefits the biological renewal of the biofilm.
  • the continuous standing threads In such a way that they are in the area of the crossing points of the effect structure lie. As a result, the standing threads effectively hold the textile material together in the longitudinal direction.
  • the effect structures can have alternately arranged effect structure islands along the textile material.
  • the supporting structure which ensures the mechanical strength of the textile material, can expediently have markings, as a result of which a high degree of dimensional accuracy is achieved during the assembly.
  • the effect structures expediently have a surface which has been modified to improve their properties (for example ceramic surface, solgel technology, surface containing activated carbon, surface containing enzyme).
  • standing threads for example in the case of large through-openings, and / or ribbons can be incorporated into the textile material.
  • the present invention further relates, also claimed in a subordinate manner, to an effect structure, in particular for use in a textile material according to one of Claims 1 to 14, with a loop carrier and effect material which is arranged on one or both sides of the loop carrier.
  • the loop carrier is made of thermally deformable material, which in the thermally deformed state has a curved cross-sectional shape. This creates a three-dimensional, bulky, in this case cord-like effect structure, starting from the flat state of the loop carrier through thermal deformation.
  • the present invention further relates to a method for producing a textile material according to one of claims 1-14.
  • This method is characterized in that a supporting structure is produced, into which effect structures are introduced by weft insertion.
  • a supporting base structure comprising warp threads is produced and then effect structures are introduced in the weft direction or prefabricated effect structures are applied, i. H. welded, glued, sewn, forged, woven or interwoven with the supporting structure in particular.
  • the textile material can also be a so-called spacer knit or woven fabric.
  • the passage openings to the conditions within of the clarification reactor can be adapted.
  • the through openings in the lower region can be made larger, since there is a larger proportion of solids in the clarification reactor.
  • the present invention further relates to a carrying device for inserting or hanging in a sewage reactor filled with waste water to be treated using textile material according to one of claims 1-14.
  • the carrying device is characterized in that a self-supporting frame as a holder for the textile Material provided. This results in the advantage that an "elongation" of the textile material and, as a consequence, a disturbance of the reactor in the area of the ventilation devices can no longer occur.
  • stabilizing arches are expediently provided.
  • the textile material is elastically fixed to the frame. This can be done, for example, via elastic or movable elements.
  • the elastic or movable elements or frames are forced to move (for example by means of mechanics or pneumatics or according to the principle of the so-called fluidic muscle).
  • the frame of the carrying device can be fixed on the underside via fastening devices in the clarification reactor to prevent the textile material from resting on the ventilation device, and the position is fixed on the top by floating bodies.
  • the use of a frame also makes it possible to provide guide surfaces or guide devices on the lower and / or upper side and / or in the side area for targeted flow control.
  • the textile material is expediently glued, welded, riveted or clamped in the frame.
  • the frame can be equipped with at least one sensor, for example a color indicator.
  • the color of the color indicator can, for example, be optically scanned and electronically processed.
  • spacers can also be expediently provided on the frame for spacing adjacent carrying devices.
  • An alternative embodiment of the present carrying device is characterized in that that the textile material is located between an upper and lower cross strut, the upper cross strut can be suspended in a frame or a holder and holding strips are provided on both sides of the textile material to introduce the holding force into the lower cross strut, as a result of which the textile material as such does not stretch, ie undergoes elongation.
  • the present invention also relates to a wastewater purification module using at least one carrying device according to one of claims 22-31.
  • the wastewater purification module in question has ventilation elements which are fixed directly to the wastewater purification module and therefore the ventilation device can be removed from the clarification reactor without this being possible Waste water purification module itself must be removed.
  • the present invention relates to the operation of a biological sewage treatment plant using a textile material according to at least one of claims 1-14.
  • Figure 1 is a highly simplified schematic representation of the arrangement of the textile material in a clarifier according to the prior art.
  • FIG. 5 shows various configurations of holding devices for fastening the frame in a waste water purification module
  • FIG. 6 different cross-sections of the effect structure for use in a textile material according to the present invention.
  • FIG. 7 shows various configurations of a wastewater treatment module according to the invention.
  • Fig. 9 shows a further embodiment of the textile material according to the invention.
  • FIG. 1 describes in a highly simplified, schematic representation the arrangement of a plurality of flat textile materials 100, which are positioned in a clarification reactor 40 parallel to one another with a space between them. Located within the clarification reactor 40 the wastewater to be cleaned. On the underside of the respective textile material 10 above the bottom of the clarification reactor 40 are the individual textile materials 100 associated, in the embodiment according to FIG. 1 tubular ventilation devices 50 with nozzles 51, from which gas, for. B. oxygen for an aerobic operation of the sewage treatment plant, emerges upwards and rises along the textile material 100 to the surface.
  • gas for. B. oxygen for an aerobic operation of the sewage treatment plant
  • stirrers Inside the clarification reactor 40 there are usually stirrers (not shown) or comparable devices for ensuring circulation of the waste water within the clarification reactor.
  • FIG. 2A shows an embodiment of the present application relating to a textile material 1 for use in a previously described biological sewage treatment plant.
  • the textile material 1 is designed as a wide fabric and, according to the invention, comprises a supporting base structure that is independent of the mechanical resilience in the form of warp threads 3 that ensure this mechanical resilience.
  • the warp threads can consist of carbon, high-strength plastic, metal or the like.
  • These warp threads 3 are designed in the selection of the material and / or their dimensions so that they the mechanical strength in the longitudinal direction, ie. H. ensure in the vertical direction in the clarifier.
  • effect structure 2 that is to say the structure or the material on which the biofilm is to be formed, is in the form of a stripe (effect structure strip 6) superimposed in the embodiment according to FIG. 2A. Between the individual strips of the effect structure 2 there is also a strip-shaped passage area 5. The effect structure 2 in FIG. 2A is entered in the weft direction.
  • the effect structure 2 is realized in the form of alternately flat areas, also so-called weft insertion, so-called effect structure islands 7.
  • the strip-like effect structures 2 run obliquely to the longitudinal axis of the textile material 1 and form a mesh-like pattern defining passageways 5.
  • the embodiment according to FIG. 2 D has passageways 5 which increase downwards, as a result of which the shape of the effect structure 2 corresponds to the specific circumstances, eg B. higher solids density in the lower region of the clarification reactor can be adapted and thus the performance or the efficiency of the textile material can be improved.
  • Such additional weft threads 4 can, of course, if this is important from a mechanical point of view, be provided with all the different, aforementioned patterns of effect structures 2.
  • the effect structure 2 can also replace the respective weft thread 4 as such.
  • the textile material is produced in two variants.
  • the base structure consisting of high-strength warp threads 3 and optionally additional weft threads 4 is produced on a suitable spinning machine.
  • the thread material can be adapted to the requirements of mechanical strength.
  • effect structures 2 are produced, for example in the form of a band or in the form of flat, d. H. island-like areas. For the purification of very little polluted waste water, the effect structure 2 can be connected to the supporting structure without the formation of passage areas.
  • the further variant consists in producing the supporting structure consisting of warp threads and introducing effect structures according to FIGS. 2A-D into the textile material by means of weft insertion by means of an effect thread.
  • the size of the passage areas 5 can be varied in a simple manner if desired.
  • additional standing threads can be provided, especially in the case of particularly large-area passage areas.
  • the textile material is fixed in a self-supporting frame 13, which creates a carrying device for inserting or hanging the textile material 1 into the clarification reactor.
  • This carrying unit is easy to handle and has the additional advantage that the dimensions do not change in the suspended state.
  • At least one stabilizing bar 14 can be arranged either transversely or in the longitudinal direction of the frame 13 in order to keep the textile material in its flat arrangement under flow.
  • the frame 13 comprises protruding bearing projections 29 on the underside, with which the frame 13 can be fixed in the lower region of the clarification reactor, for example, in an overall wastewater treatment module.
  • 3 F is a textile material 1 of the type described above, which is positioned as a broad article between an upper cross strut 21 and a lower cross strut 22.
  • the upper cross strut 21 can be suspended in a frame (not shown) or in a holder (not shown) in the clarification reactor or in a wastewater treatment module.
  • the lower cross strut 22 serves here to stretch the textile material and as a weight.
  • Holding strips 23, 24 are also provided on both sides of the textile material, by means of which the holding force is introduced from the upper cross strut 21 into the lower cross strut 22. This relieves the load on the textile material 1.
  • the textile material 1 is advantageously fastened within the frame 13 by welding the textile material 1 onto the frame 13.
  • the textile material can also be glued firmly.
  • the welding can expediently (cf. FIG. 4 A) be carried out using a nozzle (spot welding) or roller 31 (adhesive welding).
  • FIGS. 5 A - 5 D each show differently designed corner regions A (see FIG. 3 A) of the frame 13.
  • the frame is hung in via retaining lugs 32 arranged on both sides.
  • the frame is provided on both sides by means of a U-rail 33 and pushed onto a corresponding profile 33 or vice versa.
  • eyelets 35 can alternatively be provided on both sides.
  • a hinge 36 can also be provided on one side for folding out the frame 13.
  • the holding devices in question can also with each other, for. B. retaining lug 32 on one side and hinge 36 on the opposite side can be combined.
  • FIG. 6 A shows - in section - an effect structure 2, in particular for use in a textile material according to the invention.
  • the effect structure 2 comprises a so-called loop support 9 and effect material 10 in the form of looped-in effect yarn.
  • the loop carrier 9 is expediently formed from thermally formable material and is essentially flat in the initial state. Will the thermoformable material exposed to thermal stress, this deforms into a curved cross-sectional shape, whereby a kind of "effect structure cord" with circumferentially arranged effect material 10 is created. This achieves a particular bulkiness.
  • the effect structure 2 expediently comprises a plurality of corresponding cord-like structures according to FIG. 6A, how this is to be expressed by FIG. 6B.
  • a game-like loop carrier as shown in FIG. 6C, can be used.
  • the individual carrying devices comprising the textile material 1 are expediently combined to form so-called wastewater purification modules 30 which can be inserted and removed as such into the reactor basin 25 of the clarification reactor 40. Under each wastewater purification module 30 there is a ventilation device 28 for the area-wide introduction of gas along a ventilation level 26.
  • the individual wastewater purification modules 30 are in the embodiment according to FIG. 7A along a continuous holder 27, e.g. B. suspension cable or support rod, suspended in the reactor pool 25.
  • Support beams arranged on the top of the waste water purification module 30 serve this purpose
  • the present invention also relates to a method for operating a biological sewage treatment plant, in which textile material, as has been described above, is used.
  • Reference number 1 in FIG. 8 denotes a further embodiment of the textile material according to the invention in its entirety, a section of which is shown in FIG. 1.
  • the textile material comprises standing threads in the form of warp threads 3, which are arranged at a constant distance in the longitudinal direction of the textile material 1.
  • the textile material 1 also includes obliquely intersecting intersecting effect structure strips 6, which are arranged such that their crossing points each in the area of the adjusting threads, i. H. Warp threads 3 are located and the effect structure strips 6 are therefore held by the standing threads via their crossing points.
  • FIG. 9 shows a further embodiment of the textile material according to the invention.
  • weft threads 4 are introduced in the textile material according to FIG. 9 in such a way that they also lie on the crossing points of the effect structure strips 6.
  • the crossing points of the standing threads and weft threads 4 thus coincide with the crossing points of the effect structure strips 6 in the embodiment according to FIG. 2.

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

L'invention concerne un matériau textile s'utilisant dans une station d'épuration biologique à l'aide de structures à effet (2), en particulier fibreuses ou bouclées. Il est prévu une structure de base porteuse, indépendante en termes de capacité de charge mécanique, dans le sens longitudinal du matériau textile (1), à proximité des structures à effet (2).
PCT/DE2002/002492 2001-07-09 2002-07-08 Materiau textile s'utilisant dans une station d'epuration biologique WO2003006385A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10132546.0 2001-07-09
DE2001132546 DE10132546C1 (de) 2001-07-09 2001-07-09 Textiles Material für den Einsatz in einer biologischen Kläranlage
DE10143367.0 2001-09-04
DE2001143367 DE10143367A1 (de) 2001-09-04 2001-09-04 Textiles Material II

Publications (2)

Publication Number Publication Date
WO2003006385A2 true WO2003006385A2 (fr) 2003-01-23
WO2003006385A3 WO2003006385A3 (fr) 2003-07-10

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ID=26009646

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/002492 WO2003006385A2 (fr) 2001-07-09 2002-07-08 Materiau textile s'utilisant dans une station d'epuration biologique

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Country Link
WO (1) WO2003006385A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102557273A (zh) * 2012-03-05 2012-07-11 武汉百安生物科技有限责任公司 一种用于去除湖泊河流中污染物的活性生物膜及其制作方法和应用
CN107055753A (zh) * 2017-05-08 2017-08-18 华南理工大学 一种水体生物修复的方法及装置
CN110127940A (zh) * 2019-05-16 2019-08-16 湖北威尔达海绵城市建设有限公司 水环境生态修复系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565223A1 (fr) * 1984-06-05 1985-12-06 Bottin Fabienne Materiaux support de culture biologique immergee et systemes de mise en oeuvre
FR2590269A1 (fr) * 1985-11-21 1987-05-22 Ciden Support pour lit bacterien
US4758453A (en) * 1985-10-01 1988-07-19 Paul Challet Textile substrate for bio-transformation and phase separation
WO1996026161A1 (fr) * 1995-02-20 1996-08-29 Akira Kojima Materiau de filtrage catalytique destine a un purificateur d'eau a oxydation catalytique
DE19654030A1 (de) * 1996-12-21 1998-06-25 Saechsisches Textilforsch Inst Textiler Aufwuchsträger, insbesondere für Organismen
EP0949209A2 (fr) * 1998-04-08 1999-10-13 Ros Roca, S.A. Procédé biologique et réacteur biologique anoxique et/ou aérobique pour l'épuration de résidus liquides

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565223A1 (fr) * 1984-06-05 1985-12-06 Bottin Fabienne Materiaux support de culture biologique immergee et systemes de mise en oeuvre
US4758453A (en) * 1985-10-01 1988-07-19 Paul Challet Textile substrate for bio-transformation and phase separation
FR2590269A1 (fr) * 1985-11-21 1987-05-22 Ciden Support pour lit bacterien
WO1996026161A1 (fr) * 1995-02-20 1996-08-29 Akira Kojima Materiau de filtrage catalytique destine a un purificateur d'eau a oxydation catalytique
DE19654030A1 (de) * 1996-12-21 1998-06-25 Saechsisches Textilforsch Inst Textiler Aufwuchsträger, insbesondere für Organismen
EP0949209A2 (fr) * 1998-04-08 1999-10-13 Ros Roca, S.A. Procédé biologique et réacteur biologique anoxique et/ou aérobique pour l'épuration de résidus liquides

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102557273A (zh) * 2012-03-05 2012-07-11 武汉百安生物科技有限责任公司 一种用于去除湖泊河流中污染物的活性生物膜及其制作方法和应用
CN107055753A (zh) * 2017-05-08 2017-08-18 华南理工大学 一种水体生物修复的方法及装置
CN110127940A (zh) * 2019-05-16 2019-08-16 湖北威尔达海绵城市建设有限公司 水环境生态修复系统
CN110127940B (zh) * 2019-05-16 2021-11-02 湖北威尔达海绵城市建设有限公司 水环境生态修复系统

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