WO2009141462A1 - System for purifiying heavily contaminated water that prevents the survival and development of plant species - Google Patents
System for purifiying heavily contaminated water that prevents the survival and development of plant species Download PDFInfo
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- WO2009141462A1 WO2009141462A1 PCT/ES2008/000369 ES2008000369W WO2009141462A1 WO 2009141462 A1 WO2009141462 A1 WO 2009141462A1 ES 2008000369 W ES2008000369 W ES 2008000369W WO 2009141462 A1 WO2009141462 A1 WO 2009141462A1
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- 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
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- 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 system for the purification of highly contaminated water that prevents the life and development of plant species.
- the system comprises a floating macrophyte filter. Also refer to a filtration procedure by the system.
- the applicant does not know the use of recirculation of part of a filtered flow to achieve lower levels of contaminants acceptable by a macrophyte filter, that is, he does not know background related to the invention.
- the present invention employs the dilution of influents, by means of the effluent obtained from its own purification.
- the recirculation of the treated water at the treatment head allows the mixture with the water of the influent to be purified and transfers to it, the properties acquired by the water when going through the purification process, achieving a homogenized influent, which presents a decrease in its ionic concentrations, with the addition of the microorganisms specialized in the degradation of the polluting substances, so that from the moment of entry of the influent to the purification system, it has integrated in it, the planting of the microorganisms that will purify and allow for its polluting concentrations, the life and development of the plants of the phyto purification system.
- the influent that can become purified is obtained, without damaging the purification system, providing the planting of microorganisms specialized in degrading the substances that contaminate and Bacteriophages specialized in the depredation of pathogens, which are developed in the macrophyte system that are in the phyto purification system, eliminating the pathogens and giving the entire purification system, the health conditions presented by the natural wetlands in which they live the macrophytes.
- the invention allows its application to the purification of highly polluted waters by ionic concentrations of ammoniums, nitrates, phosphates, metals heavy, livestock, agricultural, forestry, industry.
- One aspect of the invention relates to a system with a floating macrophyte filter configured to be installed in a discharge of a circuit that evacuates a flow of fluid to be filtered.
- the system comprises: a layer with floating macrophyte filter in a filtration tank where the floating macrophyte filter has first levels of contaminants, N22, maximum permissible for the survival of macrophytes; a mixing chamber upstream of the filtration tank configured to receive an influent flow, receive a recirculated flow and evacuate a homogenized flow resulting from the mixture of the influent flow and the recirculated flow, where the influent flow has second levels of contaminants, N11, determined by the circuit in the discharge; a recirculation chamber downstream of the filtration tank; inlet conduction means having a first end connected to the discharge and a second end connected to a first inlet of the mixing chamber to drive an influential flow to the mixing chamber; transfer means having a first end connected to an outlet of the mixing chamber and a second end connected to an inlet of the filtration tank
- the recirculation chamber to the mixing chamber ⁇ driving means to boost the flow to be recirculated, from the chamber of recirculation to the mixing chamber; output conduction means having a first end connected to a second outlet of the recirculation chamber to drive an output flow to a discharge point of the system where the output flow has third levels of contaminants, N42, determined by the conditions stipulated at the point of discharge.
- the recirculation chamber is embedded in the filtration tank, in addition it comprises control means to control the flow rate to be recirculated according to contaminant levels: first levels of survival contaminants, N22, maximum permissible by the floating macrophyte filter; second levels of discharge pollutants, N11, determined by the circuit in the discharge; ' third levels of discharge pollutants, N42, determined by the conditions stipulated at the point of discharge.
- Another embodiment of the invention relates to a filtration process by the system described above.
- the procedure comprises the steps: priming the system with a starting flow rate containing levels of starting contaminants; recirculate the starting flow to reach a starting transient; feed the system with an influent flow rate that has first levels of N11 discharge contaminants until a permanent regime is reached where: the levels of contaminants in the homogenized flow rate are lower than the first levels of survival contaminants,
- N22 that is, the levels allow the survival of the floating macrophyte filter when the system operates in a permanent regime; the levels of effluent contaminants in the outflow are determined by the conditions stipulated at the point of discharge.
- Figure 1 is a schematic of the system of the invention.
- Cci Concentration of contaminant load of the influent.
- Ch Load of the homogenized contaminant: mg / l, g / l, units / l.
- Ccr Concentration of contaminant load of the recirculation.
- Ccr Cr / Qr mg / s, g / day, 0 C, pH, Microorganisms
- Qh Qi + Qr
- Cch Concentration of the homogenized contaminant. Effect achieved by the invention with the recirculation in the influent of limited value due to the characteristics of the phyto-purification system used, imposed by the survival and development limits of the plant species used, sanitary, environmental, of the phyto purification system.
- Cs Pollutant load of the purified effluent or effluent quality: mg / l, g / m 3 , 0 C, pH, Microorganisms. Limited by laws, regulations, environmental criteria, wildlife and other conditions.
- Cs ⁇ Cr The quality of the effluent will not be lower than that of the recirculation.
- An embodiment of the invention relates to a system with floating macrophyte filter configured to be installed in a discharge of a circuit that evacuates a flow of fluid to be filtered.
- the system comprises: a layer with floating macrophyte filter in a filtration tank (10) where the floating macrophyte filter has first levels of contaminants, N22, maximum permissible for the survival of macrophytes; a mixing chamber (20) upstream of the filtration tank (10) configured to receive an influent flow rate (Qi), receive a recirculated flow rate (Qr) and evacuate a homogenized flow rate (Qh) resulting from the mixing of the influent flow rate (Qi ) and the recirculated flow (Qr), where the influent flow (Qi) has seconds pollutant levels, N11, determined by the circuit in the discharge; a recirculation chamber (30) downstream of the filtration tank (10); input conduction means (1) having a first end (11) connected to the discharge and a second end (12) connected to a first inlet of the mixing chamber (20
- the recirculation chamber (30) is embedded in the filtration tank (10). It also includes control means to control the flow rate to be recirculated (Qr) as a function of pollutant levels: first levels of pollutants for survival, N22, maximum permissible by the floating macrophyte filter; second levels of discharge pollutants, N11, determined by the circuit in the discharge; third levels of pollutants from spillage, N42, determined by the conditions stipulated at the point of discharge.
- Another embodiment of the invention relates to a filtration process by the system described above.
- the procedure comprises the steps: priming the system with a starting flow rate containing levels of starting contaminants; recirculate the starting flow to reach a starting transient; feed the system with an influent flow rate (Qi) that has first levels of N11 discharge contaminants until a permanent regime is reached where: the levels of contaminants in the homogenized flow rate (Qh) are lower than the first levels of survival contaminants, N22 ; that is, the levels allow the survival of the floating macrophyte filter when the system operates in a permanent regime; levels of contaminants released into the caudal 'output (Qs) are determined by the conditions in the pour point.
Abstract
System with floating macrophyte filter configured such that it can be installed in an outflow from a circuit that conveys a stream of fluid to be filtered. The system has: a layer with floating macrophyte filter in a filtration tank (10); a mixing chamber (20) upstream of the filtration tank (10) for receiving an inflowing stream (Qi) and receiving a recirculated stream (Qr) and conveying a homogenized stream (Qh) resulting from the mixing of the inflowing (Qi) and recirculated (Qr) streams; a recirculation chamber (30) downstream of the filtration tank (10); transfer means (3') for conveying a stream to be recirculated (Qr) from the filtration tank (10) to the recirculation chamber (30); and recirculation means (3) for conveying a recirculated stream (Qr) from the recirculation chamber (30) to the mixing chamber (20).
Description
SISTEMA DE DEPURACIÓN DE AGUAS ALTAMENTE CONTAMINADAS QUE IMPIDEN LA VIDA Y DESARROLLO DE ESPECIES VEGETALES HIGHLY POLLUTED WATER CLEANING SYSTEM THAT PREVENTS LIFE AND DEVELOPMENT OF VEGETABLE SPECIES
Campo de la invención La invención se refiere a un sistema de depuración de aguas altamente contaminadas que impiden Ia vida y desarrollo de especies vegetales. El sistema comprende un filtro de macrofitas en flotación. También se refiera a un procedimiento de filtración mediante el sistema.Field of the invention The invention relates to a system for the purification of highly contaminated water that prevents the life and development of plant species. The system comprises a floating macrophyte filter. Also refer to a filtration procedure by the system.
Antecedentes de Ia invenciónBackground of the invention
El solicitante no conoce el empleo de recirculación de parte de un caudal filtrado para conseguir bajar a unos niveles de contaminantes aceptables por un filtro de macrofitas, es decir, que no conoce antecedentes relacionados con Ia invención.The applicant does not know the use of recirculation of part of a filtered flow to achieve lower levels of contaminants acceptable by a macrophyte filter, that is, he does not know background related to the invention.
Descripción de la invenciónDescription of the invention
La presente invención emplea Ia dilución de influentes, mediante el efluente obtenido de su propia depuración. La recirculación del agua tratada a cabecera de tratamiento, permite Ia mezcla con el agua del influente a depurar y transfiere a este, las propiedades adquiridas por el agua al pasar por el proceso de depuración, consiguiendo un influente homogenizado, que presenta una disminución de sus concentraciones iónicas, con Ia adición de los microorganismos especializados en Ia degradación de las sustancias contaminante, de forma que desde el mismo momento de entrada del influente al sistema de depuración, tenga integrado en él, Ia siembra de los microorganismos que Ie depuraran y permita por sus concentraciones contaminantes, Ia vida y el desarrollo de las plantas del sistema de fito depuración.The present invention employs the dilution of influents, by means of the effluent obtained from its own purification. The recirculation of the treated water at the treatment head allows the mixture with the water of the influent to be purified and transfers to it, the properties acquired by the water when going through the purification process, achieving a homogenized influent, which presents a decrease in its ionic concentrations, with the addition of the microorganisms specialized in the degradation of the polluting substances, so that from the moment of entry of the influent to the purification system, it has integrated in it, the planting of the microorganisms that will purify and allow for its polluting concentrations, the life and development of the plants of the phyto purification system.
Al lograrse Ia concentración adecuada mediante Ia mezcla del influente a tratar con el agua de recirculación, se obtiene el influente que puede pasar a ser depurado, sin dañar al sistema depurativo, aportando Ia siembra de microorganismos especializados en degradar las sustancias que Ie contaminan y de los bacteriófagos especializados en Ia depredación de patógenos, que se desarrollan en el sistema de macrofitos que están en el sistema fito depurativo, eliminando los patógenos y dando a todo el sistema de depuración, las condiciones de salubridad que presentan los humedales naturales en los que viven los macrofitos.When the adequate concentration is achieved by mixing the influent to be treated with the recirculation water, the influent that can become purified is obtained, without damaging the purification system, providing the planting of microorganisms specialized in degrading the substances that contaminate and Bacteriophages specialized in the depredation of pathogens, which are developed in the macrophyte system that are in the phyto purification system, eliminating the pathogens and giving the entire purification system, the health conditions presented by the natural wetlands in which they live the macrophytes.
La invención permite su aplicación a Ia depuración de las aguas altamente contaminada por concentraciones iónicas de amonios, nitratos, fosfatos, metales
pesados, de origen ganadero, agrícola, forestal, industria. Aplicaciones:The invention allows its application to the purification of highly polluted waters by ionic concentrations of ammoniums, nitrates, phosphates, metals heavy, livestock, agricultural, forestry, industry. Applications:
- Depuración de Purines de granjas: de cerdos, vacunos, gallináceas u otros.- Purification of Purines from farms: pigs, cattle, chickens or others.
- Depuración de aguas de industrias de transformadoras de productos agrícolas. - Corcheras, alcoholeras, aceiteras.- Water purification of agricultural products processing industries. - Corcheras, alcohol, oil.
- Lixiviado de basureros urbanos.- Leachate of urban dumps.
- Industrias metalúrgicas.- Metallurgical industries.
Un aspecto de Ia invención se refiere a un sistema con filtro de macrofitas en flotación configurado para ser instalado en una descarga de un circuito que evacúa un caudal de fluido a ser filtrado. El sistema comprende: una capa con filtro de macrofitas en flotación en un tanque de filtración donde el filtro de macrofitas en flotación tiene primeros niveles de contaminantes, N22, máximos admisibles para Ia supervivencia de las macrofitas; una cámara de mezcla aguas arriba del tanque de filtración configurada para recibir un caudal influente, recibir un caudal recirculado y evacuar un caudal homogeneizado resultante de Ia mezcla del caudal influente y el caudal recirculado, donde el caudal influente tiene segundos niveles de contaminantes, N11 , determinados por el circuito en Ia descarga; una cámara de recirculación aguas abajo del tanque de filtración; medios de conducción de entrada que tienen un primer extremo conectado a Ia descarga y un segundo extremo conectado a una primera entrada de Ia cámara de mezcla para conducir un caudal influente a Ia cámara de mezcla; medios de trasvase que tienen un primer extremo conectado a una salida de Ia cámara de mezcla y un segundo extremo conectado a una entrada del tanque de filtración para conducir un caudal homogeneizado de Ia cámara de mezcla al tanque de filtración; medios de trasiego que tienen un primer extremo conectado a una salida del tanque de filtración y un segundo extremo conectado a una entrada de Ia cámara de recirculación para conducir un caudal a recircular y un caudal de salida del tanque de filtración a Ia cámara de recirculación; medios de recirculación que tienen un primer extremo conectado a una primera salida de Ia cámara de recirculación y un segundo extremo conectado a una segunda entrada de Ia cámara de mezcla para conducir un caudal recirculado deOne aspect of the invention relates to a system with a floating macrophyte filter configured to be installed in a discharge of a circuit that evacuates a flow of fluid to be filtered. The system comprises: a layer with floating macrophyte filter in a filtration tank where the floating macrophyte filter has first levels of contaminants, N22, maximum permissible for the survival of macrophytes; a mixing chamber upstream of the filtration tank configured to receive an influent flow, receive a recirculated flow and evacuate a homogenized flow resulting from the mixture of the influent flow and the recirculated flow, where the influent flow has second levels of contaminants, N11, determined by the circuit in the discharge; a recirculation chamber downstream of the filtration tank; inlet conduction means having a first end connected to the discharge and a second end connected to a first inlet of the mixing chamber to drive an influential flow to the mixing chamber; transfer means having a first end connected to an outlet of the mixing chamber and a second end connected to an inlet of the filtration tank to conduct a homogenized flow rate of the mixing chamber to the filtration tank; transfer means having a first end connected to an outlet of the filtration tank and a second end connected to an inlet of the recirculation chamber to drive a flow to be recirculated and an output flow from the filtration tank to the recirculation chamber; recirculation means having a first end connected to a first outlet of the recirculation chamber and a second end connected to a second inlet of the mixing chamber to conduct a recirculated flow of
Ia cámara de recirculación a Ia cámara de mezcla; ^ medios de impulsión para impulsar el caudal a recircular, desde Ia cámara de
recirculación a Ia cámara de mezcla; medios de conducción de salida que tienen un primer extremo conectado a una segunda salida de Ia cámara de recirculación para conducir un caudal de salida a un punto de vertido del sistema donde el caudal de salida tiene terceros niveles de contaminantes, N42, determinados por las condiciones estipuladas en el punto de vertido.The recirculation chamber to the mixing chamber; ^ driving means to boost the flow to be recirculated, from the chamber of recirculation to the mixing chamber; output conduction means having a first end connected to a second outlet of the recirculation chamber to drive an output flow to a discharge point of the system where the output flow has third levels of contaminants, N42, determined by the conditions stipulated at the point of discharge.
Otras características que puede presentar el sistema de ia invención: Ia cámara de recirculación esté embebida en el tanque de filtración, además comprenda medios de control para controlar el caudal a recircular en función de niveles de contaminantes: primeros niveles de contaminantes de supervivencia, N22, máximos admisibles por el filtro de macrofitas en flotación; segundos niveles de contaminantes de descarga, N11, determinados por el circuito en Ia descarga; ' terceros niveles de contaminantes de vertido, N42, determinados por las condiciones estipuladas en el punto de vertido.Other characteristics that the system of the invention can present: the recirculation chamber is embedded in the filtration tank, in addition it comprises control means to control the flow rate to be recirculated according to contaminant levels: first levels of survival contaminants, N22, maximum permissible by the floating macrophyte filter; second levels of discharge pollutants, N11, determined by the circuit in the discharge; ' third levels of discharge pollutants, N42, determined by the conditions stipulated at the point of discharge.
Otra realización de Ia invención se refiere a un procedimiento de filtración mediante el sistema anteriormente descrito. El procedimiento comprende las etapas: cebar el sistema con un caudal de arranque que contiene niveles de contaminantes de arranque; recircular el caudal de arranque para alcanzar un transitorio de arranque; alimentar el sistema con un caudal influente que tiene primeros niveles de contaminantes de descarga N11 hasta alcanzar un régimen permanente donde: los niveles de contaminantes en el caudal caudal homogeneizado son menores que los primeros niveles de contaminantes de supervivencia,Another embodiment of the invention relates to a filtration process by the system described above. The procedure comprises the steps: priming the system with a starting flow rate containing levels of starting contaminants; recirculate the starting flow to reach a starting transient; feed the system with an influent flow rate that has first levels of N11 discharge contaminants until a permanent regime is reached where: the levels of contaminants in the homogenized flow rate are lower than the first levels of survival contaminants,
N22; es decir, los niveles permiten Ia supervivencia del filtro de macrofitas en flotación cuando el sistema funciona en régimen permanente; los niveles de contaminantes de vertido en el caudal de salida son los determinados por las condiciones estipuladas en el punto de vertido.N22; that is, the levels allow the survival of the floating macrophyte filter when the system operates in a permanent regime; the levels of effluent contaminants in the outflow are determined by the conditions stipulated at the point of discharge.
Breve descripción de los dibujosBrief description of the drawings
A continuación se pasa a describir de manera muy breve una serie de dibujos que ayudan a comprender mejor Ia invención y que se relacionan expresamente con una realización de dicha invención que se presenta como un ejemplo no limitativo de ésta.
La Figura 1 es un esquema del sistema de la invención.Next, a series of drawings that help to better understand the invention and that expressly relate to an embodiment of said invention that is presented as a non-limiting example thereof is described very briefly. Figure 1 is a schematic of the system of the invention.
Descripción de una realización preferida de Ia invención Se incluye a continuación una simbología para describir más claramente Ia invención:Description of a preferred embodiment of the invention A symbology is included below to more clearly describe the invention:
(1 ) influente a depurar:(1) influence to debug:
(1) = Qi Ci donde:(1) = Qi Ci where:
Qi: Caudal o Volumen: l/s, m3/día; Ci: Carga contaminante aportada por el Influente: mg/l, g/l, unidades/LQi: Flow or Volume: l / s, m 3 / day; Ci: Contaminant load contributed by the Influent: mg / l, g / l, units / L
En Peso, Masa, Químico (Iónico), Unidades (Temperatura, pH, Conductividad, Microorganismos...) Cci = Concentración de carga contaminante del influente. Cci - Ci/Qi mg/s, g/día, 0C, pH, Microorganismos (2) homogenizado de entrada al sistema de depuraciónIn Weight, Mass, Chemical (Ionic), Units (Temperature, pH, Conductivity, Microorganisms ...) Cci = Concentration of contaminant load of the influent. Cci - Ci / Qi mg / s, g / day, 0 C, pH, Microorganisms (2) homogenized input to the purification system
(2) = Qh Ch donde:(2) = Qh Ch where:
Qh: Caudal o Volumen: l/s, m3/día;Qh: Flow or Volume: l / s, m 3 / day;
Ch: Carga del contaminante homogenizado: mg/l, g/l, unidades/l.Ch: Load of the homogenized contaminant: mg / l, g / l, units / l.
(3) recirculación o efluente del sistema de depuración(3) recirculation or effluent from the purification system
(3) = Qr Cr donde:(3) = Qr Cr where:
Qr: Caudal o Volumen: l/s, m3/día; Cr: carga contaminante en el recirculante: mg/l, g/l, unidades/l.Qr: Flow or Volume: l / s, m3 / day; Cr: pollutant load in the recirculant: mg / l, g / l, units / l.
En Peso, Masa, Químico (Iónico), Unidades (Temperatura, pH, Conductividad, Microorganismos...)In Weight, Mass, Chemical (Ionic), Units (Temperature, pH, Conductivity, Microorganisms ...)
Ccr = Concentración de carga contaminante de Ia recirculación. Ccr = Cr/Qr mg/s, g/día, 0C, pH, Microorganismos Qh = Qi + QrCcr = Concentration of contaminant load of the recirculation. Ccr = Cr / Qr mg / s, g / day, 0 C, pH, Microorganisms Qh = Qi + Qr
Ch = Carga contaminante de entrada al sistema de depuración. Efecto logrado con el sistema y procedimiento de Ia invención, que permite mediante Ia recirculación, transmitir al influente a depurar, las bondades que se logran en el sistema fito-depurador, permitiendo echar el influente con el agua de Ia recirculación, para que las plantas del
sistema fito depurador las pueda admitir, sin perjudicarlas o de mejorar el rendimientos depurativo o de salubridad o el ambiental del sistema depurador. También permite Ia vida de Ia fauna de especies acuáticas, aves, reptiles, insectos, mamíferos. Ch = Ci + CrCh = Contaminant load entering the purification system. Effect achieved with the system and procedure of the invention, which allows through the recirculation, transmit to the influent to purify, the benefits that are achieved in the phyto-purification system, allowing the influent to be thrown with the water of the recirculation, so that the plants of the Phyto purification system can admit them, without harming them or improving the purification or health performance or the environmental purification system. It also allows the life of the fauna of aquatic species, birds, reptiles, insects, mammals. Ch = Ci + Cr
Cch = Concentración del contaminante homogenizado. Efecto conseguido por Ia invención con Ia recirculación en el influente de valor limitado por las características del sistema de fito-depuración empleado, impuesto por los límites de supervivencia y de desarrollo de las especies vegetales empleadas, sanitarias, ambientales, del sistema fito depurador.Cch = Concentration of the homogenized contaminant. Effect achieved by the invention with the recirculation in the influent of limited value due to the characteristics of the phyto-purification system used, imposed by the survival and development limits of the plant species used, sanitary, environmental, of the phyto purification system.
Cch = (Qi x Ci + Qr x Cr) / (Qi + Qr) mg/s, g/día, 0C, pH, Microorganismos Qs Cs Qs = Caudal de salida. Qp = Caudal evaporado en el proceso de depuración; Qp es condicionante de Ia aplicación del procedimiento de Ia Invención. Qs = Qi - Qp; si Qi = QpCch = (Qi x Ci + Qr x Cr) / (Qi + Qr) mg / s, g / day, 0 C, pH, Microorganisms Qs Cs Qs = Outflow. Qp = Evaporated flow in the purification process; Qp is conditioning of the application of the procedure of the Invention. Qs = Qi-Qp; if Qi = Qp
Qs = 0; Si Ia evaporización que se produce en el sistema depurador Qp es mayor que el caudal del Influente Qi el sistema tiende al fracaso: Qi < QpQs = 0; If the evaporation that occurs in the purification system Qp is greater than the flow rate of the Influent Qi, the system tends to fail: Qi <Qp
Cs = Carga contaminante del efluente de salida depurado o calidad del efluente: mg/l, g/m3, 0C, pH, Microorganismos. Limitada por leyes, normativas, criterios ambientales, faunísticos y otros condicionantes. Cs < Cr: La calidad del efluente de salida no será menor que Ia de Ia recirculación.Cs = Pollutant load of the purified effluent or effluent quality: mg / l, g / m 3 , 0 C, pH, Microorganisms. Limited by laws, regulations, environmental criteria, wildlife and other conditions. Cs <Cr: The quality of the effluent will not be lower than that of the recirculation.
Una realización de Ia invención se refiere a un sistema con filtro de macrofitas en flotación configurado para ser instalado en una descarga de un circuito que evacúa un caudal de fluido a ser filtrado. El sistema comprende: una capa con filtro de macrofitas en flotación en un tanque de filtración (10) donde el filtro de macrofitas en flotación tiene primeros niveles de contaminantes, N22, máximos admisibles para Ia supervivencia de las macrofitas; una cámara de mezcla (20) aguas arriba del tanque de filtración (10) configurada para recibir un caudal influente (Qi), recibir un caudal recirculado (Qr) y evacuar un caudal homogeneizado (Qh) resultante de Ia mezcla del caudal influente (Qi) y el caudal recirculado (Qr), donde el caudal influente (Qi) tiene segundos
niveles de contaminantes, N11 , determinados por el circuito en Ia descarga; una cámara de recirculación (30) aguas abajo del tanque de filtración (10); medios de conducción de entrada (1) que tienen un primer extremo (11) conectado a Ia descarga y un segundo extremo (12) conectado a una primera entrada de Ia cámara de mezcla (20) para conducir un caudal influente (Qi) a Ia cámara de mezcla (20); medios de trasvase (2) que tienen un primer extremo (21) conectado a una salida de Ia cámara de mezcla (20) y un segundo extremo (12) conectado a una entrada del tanque de filtración (10) para conducir un caudal homogeneizado (Qh) de Ia cámara de mezcla (20) al tanque de filtración (10); medios de trasiego (3') que tienen un primer extremo (31') conectado a una salida del tanque de filtración (10) y un segundo extremo (32) conectado a una entrada de Ia cámara de recirculación (30) para conducir un caudal a recircular (Qr) y un caudal de salida (Qs) del tanque de filtración (10) a Ia cámara de recirculación (30); medios de recirculación (3) que tienen un primer extremo (31) conectado a una primera salida de Ia cámara de recirculación (30) y un segundo extremo (32) conectado a una segunda entrada de Ia cámara de mezcla (20) para conducir un caudal recirculado (Qr) de Ia cámara de recirculación (30) a Ia cámara de mezcla (20); medios de impulsión (30I) para impulsar el caudal a recircular (Qr), desde Ia cámara de recirculación (30) a la cámara de mezcla (20); medios de conducción de salida (4) que tienen un primer extremo (41 ) conectado a una segunda salida de Ia cámara de recirculación (30) para conducir un caudal de salida (Qs) a un punto de vertido del sistema donde el caudal de salida (Qs) tiene terceros niveles de contaminantes, N42, determinados por las condiciones estipuladas en el punto de vertido.An embodiment of the invention relates to a system with floating macrophyte filter configured to be installed in a discharge of a circuit that evacuates a flow of fluid to be filtered. The system comprises: a layer with floating macrophyte filter in a filtration tank (10) where the floating macrophyte filter has first levels of contaminants, N22, maximum permissible for the survival of macrophytes; a mixing chamber (20) upstream of the filtration tank (10) configured to receive an influent flow rate (Qi), receive a recirculated flow rate (Qr) and evacuate a homogenized flow rate (Qh) resulting from the mixing of the influent flow rate (Qi ) and the recirculated flow (Qr), where the influent flow (Qi) has seconds pollutant levels, N11, determined by the circuit in the discharge; a recirculation chamber (30) downstream of the filtration tank (10); input conduction means (1) having a first end (11) connected to the discharge and a second end (12) connected to a first inlet of the mixing chamber (20) to drive an influential flow rate (Qi) to Ia mixing chamber (20); transfer means (2) having a first end (21) connected to an outlet of the mixing chamber (20) and a second end (12) connected to an inlet of the filtration tank (10) to conduct a homogenized flow ( Qh) from the mixing chamber (20) to the filtration tank (10); transfer means (3 ') that have a first end (31') connected to an outlet of the filtration tank (10) and a second end (32) connected to an inlet of the recirculation chamber (30) to conduct a flow rate to recirculate (Qr) and an output flow (Qs) of the filtration tank (10) to the recirculation chamber (30); recirculation means (3) having a first end (31) connected to a first outlet of the recirculation chamber (30) and a second end (32) connected to a second inlet of the mixing chamber (20) to conduct a recirculated flow (Qr) of the recirculation chamber (30) to the mixing chamber (20); drive means (30I) to drive the flow to be recirculated (Qr), from the recirculation chamber (30) to the mixing chamber (20); output conduction means (4) having a first end (41) connected to a second outlet of the recirculation chamber (30) to drive an output flow (Qs) to a discharge point of the system where the output flow (Qs) has third levels of pollutants, N42, determined by the conditions stipulated at the point of discharge.
Otras características que presenta el sistema de Ia invención: Ia cámara de recirculación (30) está embebida en el tanque de filtración (10). además comprende medios de control para controlar el caudal a recircular (Qr) función de niveles de contaminantes: primeros niveles de contaminantes de supervivencia, N22, máximos admisibles por el filtro de macrofitas en flotación; segundos niveles de contaminantes de descarga, N11, determinados por el circuito en Ia descarga;
terceros niveles de contaminantes de vertido, N42, determinados por las condiciones estipuladas en el punto de vertido.Other features presented by the system of the invention: the recirculation chamber (30) is embedded in the filtration tank (10). It also includes control means to control the flow rate to be recirculated (Qr) as a function of pollutant levels: first levels of pollutants for survival, N22, maximum permissible by the floating macrophyte filter; second levels of discharge pollutants, N11, determined by the circuit in the discharge; third levels of pollutants from spillage, N42, determined by the conditions stipulated at the point of discharge.
Otra realización de Ia invención se refiere a un procedimiento de filtración mediante el sistema anteriormente descrito. El procedimiento comprende las etapas: cebar el sistema con un caudal de arranque que contiene niveles de contaminantes de arranque; recircular el caudal de arranque para alcanzar un transitorio de arranque; alimentar el sistema con un caudal influente (Qi) que tiene primeros niveles de contaminantes de descarga N11 hasta alcanzar un régimen permanente donde: los niveles de contaminantes en el caudal caudal homogeneizado (Qh) son menores que los primeros niveles de contaminantes de supervivencia, N22; es decir, los niveles permiten Ia supervivencia del filtro de macrofitas en flotación cuando el sistema funciona en régimen permanente; los niveles de contaminantes de vertido en el caudal' de salida (Qs) son los determinados por las condiciones estipuladas en el punto de vertido.
Another embodiment of the invention relates to a filtration process by the system described above. The procedure comprises the steps: priming the system with a starting flow rate containing levels of starting contaminants; recirculate the starting flow to reach a starting transient; feed the system with an influent flow rate (Qi) that has first levels of N11 discharge contaminants until a permanent regime is reached where: the levels of contaminants in the homogenized flow rate (Qh) are lower than the first levels of survival contaminants, N22 ; that is, the levels allow the survival of the floating macrophyte filter when the system operates in a permanent regime; levels of contaminants released into the caudal 'output (Qs) are determined by the conditions in the pour point.
Claims
1. Sistema con filtro de macrofitas en flotación configurado para ser instalado en una descarga de un circuito que evacúa un caudal de fluido a ser filtrado caracterizado porque comprende: una capa con filtro de macrofitas en flotación en un tanque de filtración (10) donde el filtro de macrofitas en flotación tiene primeros niveles de contaminantes, N22, máximos admisibles para Ia supervivencia de las macrofitas; una cámara de mezcla (20) aguas arriba del tanque de filtración (10) configurada para recibir un caudal influente (Qi), recibir un caudal recirculado (Qr) y evacuar un caudal homogeneizado (Qh) resultante de Ia mezcla del caudal influente (Qi) y el .caudal recirculado (Qr), donde el caudal influente (Qi) tiene segundos niveles de contaminantes, N11 , determinados por el circuito en Ia descarga; una cámara de recirculación (30) aguas abajo del tanque de filtración (10); medios de conducción de entrada (1 ) que tienen un primer extremo (11) conectado a Ia descarga y un segundo extremo (12) conectado a una primera entrada de Ia cámara de mezcla (20) para conducir un caudal influente (Qi) a Ia cámara de mezcla (20); medios de trasvase (2) que tienen un primer extremo (21) conectado a una salida de Ia cámara de mezcla (20) y un segundo extremo (12) conectado a una entrada del tanque de filtración (10) para conducir un caudal homogeneizado1. System with floating macrophyte filter configured to be installed in a discharge of a circuit that evacuates a flow of fluid to be filtered characterized in that it comprises: a layer with floating macrophyte filter in a filtration tank (10) where the macrophyte filter in flotation has first levels of pollutants, N22, maximum admissible for the survival of macrophytes; a mixing chamber (20) upstream of the filtration tank (10) configured to receive an influent flow rate (Qi), receive a recirculated flow rate (Qr) and evacuate a homogenized flow rate (Qh) resulting from the mixing of the influent flow rate (Qi ) and the recirculated flow (Qr), where the influent flow (Qi) has second levels of contaminants, N11, determined by the circuit in the discharge; a recirculation chamber (30) downstream of the filtration tank (10); input conduction means (1) having a first end (11) connected to the discharge and a second end (12) connected to a first inlet of the mixing chamber (20) to drive an influential flow rate (Qi) to Ia mixing chamber (20); transfer means (2) having a first end (21) connected to an outlet of the mixing chamber (20) and a second end (12) connected to an inlet of the filtration tank (10) to conduct a homogenized flow
(Qh) de Ia cámara de mezcla (20) al tanque de filtración (10); medios de trasiego (3') que tienen un primer extremo (31') conectado a una salida del tanque de filtración (10) y un segundo extremo (32) conectado a una entrada de Ia cámara de recirculación (30) para conducir un caudal a recircular (Qr) y un caudal de salida (Qs) del tanque de filtración (10) a Ia cámara de recirculación(Qh) of the mixing chamber (20) to the filtration tank (10); transfer means (3 ') that have a first end (31') connected to an outlet of the filtration tank (10) and a second end (32) connected to an inlet of the recirculation chamber (30) to conduct a flow rate to recirculate (Qr) and an output flow (Qs) of the filtration tank (10) to the recirculation chamber
(30); medios de recirculación (3) que tienen un primer extremo (31 ) conectado a una primera salida de Ia cámara de recirculación (30) y un segundo extremo (32) conectado a una segunda entrada de Ia cámara de mezcla (20) para conducir un caudal recirculado (Qr) de Ia cámara de recirculación (30) a Ia cámara de mezcla(30); recirculation means (3) having a first end (31) connected to a first outlet of the recirculation chamber (30) and a second end (32) connected to a second inlet of the mixing chamber (20) to conduct a recirculated flow rate (Qr) of the recirculation chamber (30) to the mixing chamber
(20); medios de impulsión (30I) para impulsar el caudal a recircular (Qr), desde Ia cámara de recirculación (30) a Ia cámara de mezcla (20); medios de conducción de salida (4) que tienen un primer extremo (41 ) conectado a una segunda salida de Ia cámara de recirculación (30)' para 'conducir un caudal de salida (Qs) a un punto de vertido del sistema donde el caudal de salida (Qs) tiene terceros niveles de contaminantes, N42, determinados por las condiciones estipuladas en el punto de vertido.(twenty); drive means (30I) to drive the flow to be recirculated (Qr), from the recirculation chamber (30) to the mixing chamber (20); output conduction means (4) having a first end (41) connected to a second outlet of the recirculation chamber (30) 'to' conduct a flow of exit (Qs) to a point of discharge of the system where the exit flow (Qs) has third levels of contaminants, N42, determined by the conditions stipulated in the point of discharge.
2. Sistema con filtro de macrofitas en flotación según Ia reivindicación 1 caracterizado porque Ia cámara de recirculación (30) está embebida en el tanque de filtración (10) .2. System with a floating macrophyte filter according to claim 1, characterized in that the recirculation chamber (30) is embedded in the filtration tank (10).
3. Sistema con filtro de macrofitas en flotación según cualquiera de las reivindicaciones 1-2 caracterizado porque además comprende medios de control para controlar el caudal a recircular (Qr) en función de niveles de contaminantes: primeros niveles de contaminantes de supervivencia, N22, máximos admisibles por el filtro de macrofitas en flotación; segundos niveles de contaminantes de descarga, N11, determinados por el circuito en Ia descarga; terceros niveles de contaminantes de vertido, N42, determinados por las condiciones estipuladas en el punto de vertido.3. Flotation macrophyte filter system according to any of claims 1-2, characterized in that it also comprises control means for controlling the flow rate to be recirculated (Qr) according to contaminant levels: first levels of survival contaminants, N22, maximum permissible by the floating macrophyte filter; second levels of discharge pollutants, N11, determined by the circuit in the discharge; third levels of pollutants from spillage, N42, determined by the conditions stipulated at the point of discharge.
4. Procedimiento de filtración mediante el sistema de cualquiera de las reivindicaciones 1-3 caracterizado porque comprende las etapas: cebar el sistema con un caudal de arranque que contiene niveles de contaminantes de arranque; recircular el caudal de arranque para alcanzar un transitorio de arranque; alimentar el sistema con un caudal influente (Qi) que tiene primeros niveles de contaminantes de descarga N11 hasta alcanzar un régimen permanente donde: los niveles de contaminantes en el caudal caudal homogeneizado (Qh) son menores que los primeros niveles de contaminantes de supervivencia, N22; los niveles de contaminantes de vertido en el caudal de salida (Qs) son los determinados por las condiciones estipuladas en el punto de vertido. 4. Filtration method by means of the system of any of claims 1-3 characterized in that it comprises the steps: priming the system with a starting flow rate containing levels of starting contaminants; recirculate the starting flow to reach a starting transient; feed the system with an influent flow rate (Qi) that has first levels of N11 discharge contaminants until a permanent regime is reached where: the levels of contaminants in the homogenized flow rate (Qh) are lower than the first levels of survival contaminants, N22 ; The levels of discharge pollutants in the outflow (Qs) are determined by the conditions stipulated at the point of discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2008/000369 WO2009141462A1 (en) | 2008-05-23 | 2008-05-23 | System for purifiying heavily contaminated water that prevents the survival and development of plant species |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2008/000369 WO2009141462A1 (en) | 2008-05-23 | 2008-05-23 | System for purifiying heavily contaminated water that prevents the survival and development of plant species |
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| WO2009141462A1 true WO2009141462A1 (en) | 2009-11-26 |
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| US4959084A (en) * | 1989-05-26 | 1990-09-25 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Combined air and water pollution control system |
| US5156741A (en) * | 1990-12-28 | 1992-10-20 | Morrison Dean N | Wastewater treatment system and method |
| WO1996036568A1 (en) * | 1995-05-17 | 1996-11-21 | Rutgers, The State University Of New Jersey | Method for removing soluble metals from an aqueous phase |
| US20060237363A1 (en) * | 2002-06-17 | 2006-10-26 | Dharma Living Systems, Inc. | Tidal vertical flow wastewater treatment system and method |
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2008
- 2008-05-23 WO PCT/ES2008/000369 patent/WO2009141462A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4959084A (en) * | 1989-05-26 | 1990-09-25 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Combined air and water pollution control system |
| US5156741A (en) * | 1990-12-28 | 1992-10-20 | Morrison Dean N | Wastewater treatment system and method |
| WO1996036568A1 (en) * | 1995-05-17 | 1996-11-21 | Rutgers, The State University Of New Jersey | Method for removing soluble metals from an aqueous phase |
| US20060237363A1 (en) * | 2002-06-17 | 2006-10-26 | Dharma Living Systems, Inc. | Tidal vertical flow wastewater treatment system and method |
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