ES1069781U - Filtering bed for the elimination of arsenic in the treatment of waters (Machine-translation by Google Translate, not legally binding) - Google Patents
Filtering bed for the elimination of arsenic in the treatment of waters (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES1069781U ES1069781U ES200802450U ES200802450U ES1069781U ES 1069781 U ES1069781 U ES 1069781U ES 200802450 U ES200802450 U ES 200802450U ES 200802450 U ES200802450 U ES 200802450U ES 1069781 U ES1069781 U ES 1069781U
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- ES
- Spain
- Prior art keywords
- arsenic
- water
- bed
- filter
- treated
- 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.)
- Granted
Links
- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 26
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000001914 filtration Methods 0.000 title claims abstract description 7
- 239000003643 water by type Substances 0.000 title claims description 3
- 230000008030 elimination Effects 0.000 title abstract 2
- 238000003379 elimination reaction Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 claims abstract description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 3
- 239000004576 sand Substances 0.000 claims description 8
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 4
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012358 sourcing Methods 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Removal Of Specific Substances (AREA)
Abstract
Description
Lecho filtrante para eliminación de arsénico en el tratamiento de aguas.Filter bed for arsenic removal in Water treatment
La presente invención consiste en una tecnología de filtración para tratamiento de agua, capaz de eliminar el arsénico presente en el caudal a tratar mediante lechos filtrantes de composición adecuada según el caudal y las concentraciones y variedades químicas del arsénico entrante en la planta, cuya finalidad es retener en el lecho y eliminar la presencia de esta sustancia tóxica en el agua tratada, adecuando su concentración a los requerimientos de su posterior uso, que incluye el consumo humano. El lecho filtrante inventado se sitúa en el interior del filtro o contenedor, constituyendo el relleno a través del cual pasa el agua.The present invention consists of a technology of filtration for water treatment, capable of eliminating arsenic present in the flow to be treated by filter beds of adequate composition according to the flow rate and concentrations and chemical varieties of arsenic entering the plant, whose purpose is to retain in the bed and eliminate the presence of this toxic substance in the treated water, adapting its concentration to the requirements of its subsequent use, which includes consumption human. The invented filter bed is located inside the filter or container, constituting the filling through which the water passes
La invención pertenece al sector técnico de las tecnologías de tratamiento de aguas y constituye un producto aplicable en el sector de abastecimiento y distribución de agua, en el sector de riego agrícola y en general en sectores industriales que precisen el uso de agua libre de arsénico.The invention belongs to the technical sector of water treatment technologies and constitutes a product applicable in the water supply and distribution sector, in the agricultural irrigation sector and in general in industrial sectors that require the use of arsenic-free water.
Actualmente, según el conocimiento del solicitante, los métodos para remoción de arsénico en aguas de consumo se basan en intercambios iónicos de resinas, que por sus características intrínsecas no son capaces de tratar grandes volúmenes de agua y precisan de regeneración cíclica, lo que encarece su empleo. Además, los efectos sobre la salud de la utilización de tales resinas de intercambio en agua de consumo humano no han sido aún suficientemente probados.Currently, according to the knowledge of applicant, methods for arsenic removal in waters of consumption are based on ionic exchanges of resins, which by their intrinsic characteristics are not able to treat large volumes of water and require cyclic regeneration, which It makes your job more expensive. In addition, the health effects of the use of such exchange resins in drinking water Human have not yet been sufficiently tested.
Por ello, hasta la fecha, cuando en un abastecimiento aparecen problemas de arsénico en sus fuentes tradicionales de agua, la solución adoptada ha consistido en la construcción de tuberías de transporte desde fuentes alejadas, abastecidas con aguas libres del contaminante. Esta solución resulta tremendamente costosa en pequeños núcleos de población muy alejados entre sí, y supone actualmente una sangría para las arcas de la administración encargada de sufragarlo y de los propios consumidores.Therefore, to date, when in a sourcing arsenic problems appear in their sources traditional water, the solution adopted has been the construction of transport pipes from remote sources, supplied with contaminant free water. This solution It is extremely expensive in small towns away from each other, and is currently an indentation for the coffers of the administration in charge of supporting it and of the own ones consumers.
La presente invención, consistente en una tecnología de filtración para retener el arsénico en agua, consigue mediante un tratamiento físico químico similar a los que convencionalmente se suelen utilizar para remoción de otras sustancias disueltas y pequeños sólidos, retener en un lecho filtrante específico, y de esta manera eliminar, el arsénico en el agua tratada. Para ello se diseña un lecho con una composición específica capaz de fijar el arsénico, que puede usarse como relleno de los aparatos filtrantes convencionales (filtros abiertos o cerrados o incluso filtros de cartucho).The present invention, consisting of a filtration technology to retain arsenic in water, get through a chemical physical treatment similar to those that conventionally they are usually used for removal of others dissolved substances and small solids, retain in a bed specific filter, and thus eliminate, the arsenic in the treated water. For this, a bed with a composition is designed specific able to fix the arsenic, which can be used as filling of conventional filter devices (open filters or closed or even cartridge filters).
En función de la concentración de arsénico presente en el agua a tratar, de su presencia física (precipitado ó disuelto), forma química (As+3, As+5) y del caudal demandado, se adecua la composición del lecho filtrante, de manera que mediante un filtrado en uno o dos lechos de arenas dopadas con óxido de hierro, mezclas de arena con carbón activo y hierro alfa, y dosificación de cloruro férrico sobre estos lechos, se logra la precipitación del arsénico disuelto y su fijación al lecho filtrante.Depending on arsenic concentration present in the water to be treated, of its physical presence (precipitate or dissolved), chemical form (As + 3, As + 5) and the demanded flow, adapts the composition of the filter bed, so that by filtered in one or two beds of sands doped with iron oxide, mixtures of sand with activated carbon and alpha iron, and dosage of ferric chloride on these beds, precipitation of the dissolved arsenic and its fixation to the filter bed.
En función de tales parámetros la tecnología configura el tratamiento básico a través de un solo lecho filtrante compuesto en proporciones variables de carbón activo (del 20 al 40%), arena (del 20 al 50%) y óxido de hierro (del 10 al 35%). En caso que sea necesario por las características del agua a tratar, esta filtración puede dotarse de una etapa adicional, a través de otro lecho también de composición variable situado en un nuevo filtro ó si este fuese de doble cámara, en su segunda cámara. Este segundo lecho filtrante estará formado por arena (del 60 al 80%), óxido de hierro (20 al 35%) y Fe - alfa (5 al 20%). Además, sobre este segundo lecho filtrante se realizará una dosificación de cloruro férrico para acelerar la precipitación del arsénico.Depending on these parameters the technology configure the basic treatment through a single filter bed composed of variable proportions of activated carbon (from 20 to 40%), sand (20 to 50%) and iron oxide (10 to 35%). In if necessary due to the characteristics of the water to be treated, this filtration can be provided with an additional stage, through another bed also of variable composition located in a new filter or if it were a double chamber, in its second chamber. This second filter bed will consist of sand (60 to 80%), iron oxide (20 to 35%) and Fe-alpha (5 to 20%). In addition, about This second filter bed will be dosed in ferric chloride to accelerate arsenic precipitation.
Las dimensiones de los lechos se ajustan al caudal a tratar, a la concentración de arsénico y a la variación de la demanda, garantizando por un lado un tiempo de retención del caudal tratado en el filtro adecuado a la fijación del arsénico, y por otro una duración del lecho suficiente para permitir la óptima explotación de la instalación.The dimensions of the beds conform to the flow to be treated, the arsenic concentration and the variation of the demand, guaranteeing on the one hand a retention time of the flow rate treated in the filter suitable for arsenic fixation, and on the other a sufficient bed length to allow optimal operation of the installation.
Se incorpora a esta memoria una hoja de dibujos para mejor comprensión de la descripción realizada, que consta de las siguientes figuras:A sheet of drawings is incorporated into this memory for a better understanding of the description made, which consists of The following figures:
\bullet Figura 1: Lecho filtrante básico, visto en alzado; en el que se aprecia la composición del lecho filtrante compuesto de arena (1), óxido de hierro (2) y carbón activo (3).Figure 1: Basic filter bed, seen in elevation; in which the composition of the bed is appreciated sand composite filter (1), iron oxide (2) and coal active (3).
\bullet Figura 2: Lecho filtrante adicional visto en alzado; en el que se aprecia la composición del lecho filtrante compuesto de arena (4), óxido de hierro (5) y hierro-alfa (6) y dosificación de cloruro férrico FeCl_{3} (7).Figure 2: Additional filter bed seen in elevation; in which the composition of the bed is appreciated sand composite filter (4), iron oxide (5) and iron-alpha (6) and dosage of ferric chloride FeCl 3 (7).
El orden del estratificado en las figuras corresponde a una colocación de los diferentes materiales por densidades y granulometrías, si bien durante los procesos de lavado se mezclarán unos con otros, sin que ello afecte al funcionamiento del lecho.The order of the laminate in the figures corresponds to a placement of the different materials by densities and particle sizes, although during washing processes they will mix with each other, without affecting the operation from the bed.
La composición del lecho filtrante puede realizase in situ con supervisión técnica, mediante mezcla sobre el propio cubeto ó contenedor que constituye el filtro, ya sea de tipo cerrado o abierto, adecuándose en los porcentajes de cada componente a los resultados analíticos de las muestras de agua a tratar obtenidos y al caudal de agua a tratar.The composition of the filter bed can be carried out in situ with technical supervision, by mixing on the bucket itself or container that constitutes the filter, either closed or open type, adapting in the percentages of each component to the analytical results of the water samples to be obtained and the flow of water to be treated.
Los filtros ó contenedores físicos para el lecho filtrante utilizado en el tratamiento con esta tecnología pueden ser de cualquier tipo existente en el mercado, pudiendo realizarse el lavado de los mismos mediante agua a contracorriente o mediante mezclas de agua y aire indistintamente.The filters or physical containers for the bed filter used in the treatment with this technology can be of any existing type in the market, being able to be realized washing them by countercurrent water or by mixtures of water and air interchangeably.
El lecho filtrante reivindicado también puede disponerse en cartuchos filtrantes, especialmente cuando sea necesario tratar caudales muy reducidos, debiéndose indicar en este caso en el exterior del cartucho las concentraciones de arsénico para las que es adecuado en función de la composición utilizada.The claimed filter bed can also be disposed in filter cartridges, especially when it is necessary to treat very low flows, indicating in this case outside the cartridge arsenic concentrations for which it is suitable depending on the composition used
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200802450U ES1069781Y (en) | 2008-11-24 | 2008-11-24 | FILTERING MILK FOR THE REMOVAL OF ARSENIC IN WATER TREATMENT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200802450U ES1069781Y (en) | 2008-11-24 | 2008-11-24 | FILTERING MILK FOR THE REMOVAL OF ARSENIC IN WATER TREATMENT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES1069781U true ES1069781U (en) | 2009-05-07 |
| ES1069781Y ES1069781Y (en) | 2009-08-13 |
Family
ID=40576537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200802450U Expired - Fee Related ES1069781Y (en) | 2008-11-24 | 2008-11-24 | FILTERING MILK FOR THE REMOVAL OF ARSENIC IN WATER TREATMENT |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES1069781Y (en) |
-
2008
- 2008-11-24 ES ES200802450U patent/ES1069781Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES1069781Y (en) | 2009-08-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG1K | Utility model granted | ||
| FD1K | Utility model lapsed |
Effective date: 20130919 |