EP2858952A1 - Procédé de traitement de l'eau au moyen de systèmes végétaux, et système végétal (photobioréacteur) - Google Patents

Procédé de traitement de l'eau au moyen de systèmes végétaux, et système végétal (photobioréacteur)

Info

Publication number
EP2858952A1
EP2858952A1 EP13731680.8A EP13731680A EP2858952A1 EP 2858952 A1 EP2858952 A1 EP 2858952A1 EP 13731680 A EP13731680 A EP 13731680A EP 2858952 A1 EP2858952 A1 EP 2858952A1
Authority
EP
European Patent Office
Prior art keywords
water
culture
floating
tubs
photobioreactor
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Withdrawn
Application number
EP13731680.8A
Other languages
German (de)
English (en)
Inventor
Hermann-Josef Wilhelm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 DE102012011409.5A external-priority patent/DE102012011409B4/de
Priority claimed from DE201210011408 external-priority patent/DE102012011408A1/de
Application filed by Individual filed Critical Individual
Publication of EP2858952A1 publication Critical patent/EP2858952A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/56—Floating elements
    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/02—Photobioreactors
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/58—Reaction vessels connected in series or in parallel
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • 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 invention relates to a method for water treatment with plant plants, and plant plants themselves, according to the preamble of claims 1 and 16.
  • the treatment of water in particular the treatment of wastewater by means of wetland plants is known.
  • the water or wastewater is passed through outdoor pools that are populated with aquatic and / or marsh plants. With appropriate residence times of the wastewater in the culture pool of such plant treatment plants, the aquatic plants then decompose certain ingredients.
  • the water, or wastewater treatment is also with
  • Biomass increase bound amount of water.
  • the invention is therefore the object of the generic method, and further develop the plant to the effect that a better and reproducible water treatment is possible.
  • the stated object is achieved in terms of a method according to the invention by the characterizing features of claim 1.
  • the core of the inventive method is that the wastewater in a succession of tubs successively serially, or is passed in a parallel through at least some of the troughs floating so that along the resulting floating line already the condensed water evaporation the tubs of the floating line in situ is returned again.
  • Condensate is returned directly to the tubs, in order to increase the concentration of the ingredients in the toxic Avoid area of the tubs of the entire floating line.
  • the feature of the invention is the
  • the water body is kept as much as possible of passed culture water together with evaporation amounts or condensate quantities and is only reduced in the main reactor by the water bound in the biomass. This will effectively effect the evaporation caused by possible
  • Plant sewage treatment plant the remaining condensate water is recycled.
  • the biomass harvested from the tubs carries the water taken up together with its contents, so that this biomass also removes the ingredients from the floating water in the water
  • Wastewater or wastewater plus mixed water a first stream of material is divided into those in the plants absorbed amount of water. This leads within the plant to a separation of the ingredients, as far as they are not volatile.
  • Lemnacea (duckweed) are cultivated.
  • the total number of culture tanks used is subdivided into floating sections, and the dirt load introduced by the wastewater in the
  • Floating sections is monitored, such that the condensate return can be controlled so that the concentration of biogenic to resorb
  • Dandelion culture can be harvested fluently by means of the culture water.
  • the biomass is rinsed with a small amount of culture water as, for example, daily Operabesterntung.
  • Skimming can be harvested while the floated amounts of water below the floating plants is preferably deducted by a bottom-topography in the form of a groove structure.
  • Another design option is that at least part of the crops in
  • Crops is simply possible by skimming or flooding specified above.
  • a further advantageous embodiment it is stated that, for the purification of wastewater which is subjected to pharmaceutical treatment with only small concentrations in a preliminary stage, first a controlled evaporation and thus
  • Concentration of the pharmaceuticals is produced in the culture water before they can then be absorbed more effectively at a higher concentration by the plant.
  • Aftertreatment step may subsequently also the resulting condensate from the drying still be recycled.
  • a salt load of 45 grams per liter can be, while in the floating directly therein swimming pool is only a Salzfrächt of less than 12 grams per liter.
  • the float tank is thus a significantly lower salinity before, which is so far mitigated in this case that, for example, the duckweed can grow in it.
  • salt is only a placeholder for a variety of wastewater
  • the trays follow one after the other and in the stacked arrangement from top to bottom, so that a coherent, so to speak folded in floors and thus compact entire passage.
  • the stackability is realized inter alia by the said use of low light plants. Also a foreign lighting through
  • Passage troughs are chosen in depth so that the culture troughs floating on them maximally a fraction of the water present in the culture trough into the interior of the floating culture trough
  • Micrometer and 0.0001 microns is set so that the floating culture tank water from the highly concentrated water of the transmission trough in the
  • Floating tub made of a polystyrene plastic.
  • the capillarity is adjustable.
  • This material can also be polystyrene be.
  • the invention consists in that the
  • Wastewater in culverts is foundedleitbar and the aquatic plants are placed in separate culture vats, that the transmission trays are located next to or below the culture wells, and the waste water of the transmission troughs via one or more diffusion elements with the diffusion
  • Culture tubs are connected, such that the water in the culture tubs a respect to the water in the transmission troughs lesser content
  • the diffusion elements are selectively permeable
  • Membranes or selectively permeable capillary wicks are. But even with the device is essential that the trays are arranged in stacks, such that the plants used still receive enough Steady light.
  • this so operated as a plant treatment plant photobioreactor can also be additionally gassed CO2, for example from C02-containing exhaust gases of a biomass or biogas combined heat and power plant. This is because a higher C02 supply also stimulates the growth of aquatic plants. An increased growth also leads to an increased effective cleaning effect of the injected wastewater or mine water, or pasture water, or brackish water, or even seawater.
  • the gist of the invention is that condensing agents as well
  • condensing water and that condensate recycling means the condensate centrally or in-situ along the entire
  • the wicks using capillary action are used, which connect the tubs fluidly with each other. In this way, pumps and / or lines can be saved by the capillary action of these wicks is used.
  • light guide systems are provided by arranged on the side walls or in the roof area of the photobioreactor scattering or reflection discs or means that scatter the light at an angle and bring directly into the stacked culture tubs or possibly with the edge of the culture tubs thus optically corresponding
  • Reflectors scatter the light between the tubs.
  • Dim light plant is. As a result, it is stackable. However, it should be within the
  • Photobioreactor to an optimized light distribution, which in turn allows higher stack densities become .
  • the inventive method is particularly effective for the applications in the water, especially the
  • Brackwasser- and pasture desalination can be used.
  • FIG. 1 Photobioreactor with stacked tubs and water and material stream division.
  • FIG. 1 Pan structure with substance separation
  • Figure 3 Application desalination
  • Figure 4 Application manure
  • FIG. 5 first alternative with floating culture trough in a transfer trough
  • FIG. 6 second alternative with completely separated tubs 1 shows the schematic structure of the photobioreactor 1, which consists of a preferably hermetically sealing shell 2, which consists of film,
  • double-walled film with gas or air filling may exist in the space.
  • the film is needed for translucency in the biologically
  • the culture pans 3 are stacked on top of each other and typically have a depth of 2 to 15 centimeters.
  • About the water inlet 7 is preferably the top loaded with dirty cargo wastewater fed, in the first culture tank.
  • the culture tubs are stacked on top of each other and here are only 3 floors exemplified. The number of floors can be up to 30 floors and more. Above each tub are already local
  • Condensation screens 4 arranged.
  • ingredients such as
  • Mass growth in such a plant population is proportional to the further propagation.
  • the aquatic plants In order to additionally stimulate the mass increase, the aquatic plants must cyclically, ie best daily with at least 20% of the existing area coverage be harvested so that new biomass can regrow, because aquatic plants grow only up to a specific boundary cover. To stay below that particular boundary cover requires this regular harvest.
  • the evaporated water is at least partially dripped back via the said condensation elements 4 back into the culture water of the tubs.
  • the water is gradually passed from culture to culture, which is referred to as floating, and causes a gradual concentration of the
  • Condensate water is collected on the bottom side in a floor pan, and can either also be returned to the water inlet 7, or on
  • any location of the floating path i. be returned to the culture water in the tubs again.
  • Floating distance results from the biogenic substances bound from the water over the harvested biomass.
  • FIG. 2 shows a trough arrangement in which the
  • the process repeats, then the Auströmwanne is then on the left side, etc.
  • a discontinuous floating is carried out. That the process of water transfer (floating) takes place together with the biomass harvest. In the meantime the system and the system are at rest
  • Substantial absorption by the plants can take place until the next floating at rest.
  • FIG. 3 shows the application in the
  • Pasture water desalination We used the method described in FIGS. 1 and 2.
  • the feed takes place at position number 7 and is placed in stacked trays as in
  • FIG. 1 passed.
  • biomass 30 is removed and there is also a condensate collection and removal if necessary centrally, and the condensate discharge 13 is fed to a mixer, in which also the discharge water. 5 out of the reactor. Then, from the mixer concentrated in salinity and content substances
  • the condensation screens 4 described in FIG. 1 can also cover the tubs like a translucent lid.
  • a so-called sweat hose may be laid, through the capillarity of which salty water of higher concentration flows into the culture water of lower concentration.
  • sweat hoses can be fed, for example, with heated water for heating the culture tubs.
  • Figure 4 shows the application in manure.
  • Manure is first fed to an input mixer 32 via the inlet 7.
  • the input mixer is also controlled
  • Condensate water from the reactor is fed virtually as zero water, so that reproducible
  • Ingredient concentrations can be adjusted for the culture water of the reactor. There runs the
  • FIG. 5 shows the first alternative of a particular embodiment in which the transmission trough 3 is filled, for example, with salty brackish water at a
  • the culture trough 100 floats, either completely or at least on the bottom side of a
  • Material consists of said selective diffusivity.
  • materials can be used, such as special polystyrene materials, in which the diffusivity can be set in terms of composition by the size of the individual polystyrene particles.
  • Floating culture pan 100 is charged with zero water, i. filled with a culture water at almost 0 mS conductivity and populated with eg duckweed. Between the water of the transmission trough and the culture water of the bucket there is now a concentration gradient via the selective diffusion path, which is used so that salty water from the trough into the
  • Culture water of the floating culture well diffused, but salt along the diffusion path is moderated at least so far that sustainably not more than 20 mS conductivity or less remain in the culture water of the floating culture tank.
  • Duckweed tolerate a culture water of a maximum of 20 mS, but by no means permanently 70 mS. In this way, however, a reduction of the salinity and thus of the conductivity in the culture water is given by the said selective diffusion.
  • the duckweed absorbs the culture water and metabolizes it.
  • the increase in biomass means that more and more saline water is bound biogenically in a concentrated form. The said diffusion path thus leads to a
  • Passage tubs are connected to each other and thus lead the entire wastewater from top to bottom serially from tub to tub.
  • the culture pans are regularly partially harvested daily, for example, with at least 20% of the contained biomass or more. This stimulates the mass growth to one, and on the other hand, the new biomass also generates a new depot for ingestible ingredients (eg salt) from the water.
  • ingestible ingredients eg salt
  • FIG. 6 A second alternative is shown in FIG. 6.
  • the transmission troughs 3 and the culture tubs 100 are arranged side by side or one above the other.
  • the water body of the culture trough 100 is connected to the body of water of the transmission trough via a plurality of selective diffusion bridges 102 or selectively diffusive wicks.
  • the culture tub 100 is, for example, with duckweed
  • the water level in the duct is compared to the water level in the culture tank regulated by eg. Valve-controlled inflow control so that the water level in the transmission trough opposite Water level in the culture well is increased so that the diffusion can be influenced so.
  • the selective diffusiveness is set in a known manner by capillarity, density, fiber density, fiber diameter, surface texture of the fibers of the wicks, etc.
  • the conductivity ratios indicated in the first exemplary embodiment result, for example, 70 mS in the transmission trough 1 and, for example, 20 mS in the culture trough 100, so that, for example, the duckweed works well with the
  • the conducting trough 3 may also be colonized with aquatic plants, such as, for example, with highly salt-tolerant plants of the genus Halophytes, as stated above. These plants tolerate a sustained exposure to high salinity at bpsw 70 mS. The mass increase is smaller than that at bpsw 70 mS. The mass increase is smaller than that at bpsw 70 mS.
  • This principle can be applied to any ingredient and wastewater by using plants with high specific resistance in the food industry

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Genetics & Genomics (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Clinical Laboratory Science (AREA)
  • Molecular Biology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

L'invention concerne un procédé pour faire fonctionner un système végétal servant au traitement de l'eau ou à l'épuration de l'eau au moyen de plantes essentiellement aquatiques dans des photobioréacteurs au moins partiellement fermés comportant des cuves d'eau de culture superposées, selon le préambule des revendications 1 et 16. L'invention vise à perfectionner un procédé de ce type ainsi que ledit système végétal de façon à obtenir un traitement de l'eau qui soit amélioré et reproductible. A cet effet, les eaux usées sont soumises à une flottation sérielle, à travers une succession de cuves, ou à une flottation réalisée parallèlement dans au moins quelques unes des cuves, de sorte que, le long de la section de flottation ainsi obtenue, l'eau évaporée, localement condensée, est déjà réacheminée aux cuves de la section de flottation in situ.
EP13731680.8A 2012-06-08 2013-06-05 Procédé de traitement de l'eau au moyen de systèmes végétaux, et système végétal (photobioréacteur) Withdrawn EP2858952A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012011409.5A DE102012011409B4 (de) 2012-06-08 2012-06-08 Verfahren zur Wasserbehandlung mit Pflanzenanlagen und Verwendungen des Verfahrens
DE201210011408 DE102012011408A1 (de) 2012-06-08 2012-06-08 Verfahren zum Betrieb einer Pflanzenkläranlage, sowie Pflanzenkläranlage (Photobioreaktor) selbst
PCT/EP2013/001657 WO2013182309A1 (fr) 2012-06-08 2013-06-05 Procédé de traitement de l'eau au moyen de systèmes végétaux, et système végétal (photobioréacteur)

Publications (1)

Publication Number Publication Date
EP2858952A1 true EP2858952A1 (fr) 2015-04-15

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Family Applications (1)

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EP13731680.8A Withdrawn EP2858952A1 (fr) 2012-06-08 2013-06-05 Procédé de traitement de l'eau au moyen de systèmes végétaux, et système végétal (photobioréacteur)

Country Status (2)

Country Link
EP (1) EP2858952A1 (fr)
WO (1) WO2013182309A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105217791A (zh) * 2014-06-09 2016-01-06 蒋寿悟 一种河道污水治理方法
CN104058506B (zh) * 2014-06-26 2016-01-20 中国水产科学研究院渔业机械仪器研究所 一种淡水池塘养殖水处理方法及多功能复合生态沟渠
CN105417713B (zh) * 2015-12-11 2018-10-09 杭州银江环保科技有限公司 沉水植物综合养护方法
CN105967337B (zh) * 2016-06-15 2018-08-17 李可俊 使用k73细菌的水体生态净化集成方法
IT201700009340A1 (it) * 2017-01-30 2018-07-30 Tecnologie Ecosostenibili Solari S R L Impianto e procedimento di fitodepurazione.

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US6105309A (en) * 1997-06-13 2000-08-22 E.T. Harvest Co., Ltd. Plant cultivation method and apparatus
DE60018753T2 (de) * 1999-08-06 2006-04-13 E.I. Du Pont De Nemours And Co., Wilmington Verfahren zur abänderung des wurzelnwachstums
DE60038235T2 (de) * 1999-04-19 2009-04-09 Mebiol Inc. Pflanzkulturbehälter und pflanzkulturverfahren

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US4169050A (en) * 1977-11-03 1979-09-25 Solar Aquasystems, Inc. Buoyant contact surfaces in waste treatment pond
JP2012504942A (ja) * 2008-10-09 2012-03-01 マリア ログマンス 光合成を利用して排ガス、特にｃｏ２を処理する方法及び装置
DE102010019352A1 (de) * 2010-05-05 2011-11-10 Maria Rogmans Verfahren zum Betrieb eines Biomassereaktors, sowie Biomassereaktor selbst
DE102010026345B3 (de) * 2010-07-07 2011-07-07 Rogmans, Maria, 47546 Kultureinrichtung für aquatische Pflanzen, sowie Verfahren zum Betrieb derselben

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Publication number Priority date Publication date Assignee Title
US6105309A (en) * 1997-06-13 2000-08-22 E.T. Harvest Co., Ltd. Plant cultivation method and apparatus
DE60038235T2 (de) * 1999-04-19 2009-04-09 Mebiol Inc. Pflanzkulturbehälter und pflanzkulturverfahren
DE60018753T2 (de) * 1999-08-06 2006-04-13 E.I. Du Pont De Nemours And Co., Wilmington Verfahren zur abänderung des wurzelnwachstums

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