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ANALÍTICA DE PROCESOS

Sistemi a osmosi inversa (RO)

I sistemi a osmosi inversa (RO) sono utilizzati in un'ampia gamma di applicazioni industriali per il trattamento dell'acqua. L'osmosi inversa non solo filtra i sali disciolti dall'acqua, ma rimuove anche i contaminanti e persino le nanoparticelle (batteri e virus). Il processo viene utilizzato per ottenere acqua ultrapura per le centrali elettriche e la produzione farmaceutica, oltre che per il trattamento dell'acqua potabile e per la desalinizzazione.

Energía

Datos clave de la aplicación

Sector

Sistemas de ósmosis inversa

Aplicación

3 Aplicaciones (1. pH Loop para comprobar la calidad del permeado 2. Cond Loop para comprobar las fugas del módulo 3. ORP Loop para comprobar el agua concentrada)

Parámetros medidos

pH, Cond y ORP

Requisitos clave

Medición en línea del valor de pH, ORP y conductividad

Medición en Agua ultrapura y concentrada

Descripción de la aplicación

En una central eléctrica, el sistema de ósmosis inversa se utiliza para producir el agua de alimentación de la caldera para la producción de vapor. El esquema muestra un sistema típico de agua de alimentación de caldera basado en la tecnología de ósmosis inversa. Es necesario controlar el pH, el ORP y la conductividad después de cada paso de ósmosis inversa y en cada tren de ósmosis inversa en el colector principal.

Requisitos de la aplicación

La monitorización de los sistemas de ósmosis inversa requiere la medición en línea del valor de pH, ORP y conductividad. La adición de diversos productos químicos durante el proceso evita que se formen depósitos orgánicos o inorgánicos en la membrana de ósmosis. Una dosificación imprecisa puede provocar daños en la membrana y también crecimiento biológico. Como consecuencia, los sistemas deben apagarse y limpiarse a fondo. La capacidad de medir los valores de microconductividad y la desviación del punto de consigna de los valores de ORP y pH es un requisito previo clave para ampliar la vida útil de la membrana y ahorrar el coste de una sustitución prematura La cantidad de productos químicos como el cloro y el bisulfito sódico utilizados puede reducirse significativamente cuando la conductividad, el pH y el ORP se registran con precisión.

¿Por qué Knick?
El sensor de conductividad SE604 de Knick es el único sensor con electrodos exteriores extraíbles para facilitar su limpieza y manipulación. El sensor de pH SE558 recomendado tiene un depósito de electrolito adicional para mediciones precisas y estables en muestras con baja conductividad. Máxima flexibilidad con los transmisores de Knick (p. ej. Stratos Multi): un sistema para todos los puntos de medición con configuración flexible de parámetros.

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Headline H3

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Productos relacionados

Omitir la galería de productos
stratos_multi_default
Número de producto:

Stratos Multi_default

SE558 Sensor de pH | VP | 120 mm | Ex | Para agua ultrapura, agua y química analítica
SE558 Sensor de pH | VP | 120 mm | Ex | Para agua ultrapura, agua y química analítica
Número de producto:

SE558X/1-NVPN

SE604 Sensor de conductividad de 2 electrodos | 7 Polos | Rango de medición de 1 nS/cm a 1000 μS/cm
SE604 Sensor de conductividad de 2 electrodos | 7 Polos | Rango de medición de 1 nS/cm a 1000 μS/cm
Número de producto:

SE604

SE565 Sensor de redox | Memosens | 120 mm | Ex | Para procesos higiénicos y aplicaciones estériles
SE565 Sensor de redox | Memosens | 120 mm | Ex | Para procesos higiénicos y aplicaciones estériles
Número de producto:

SE565X/1-NMSN

ARF201 Portasondas de flujo continuo | PP-H | Un sensor
ARF201 Portasondas de flujo continuo | PP-H | Un sensor
Número de producto:

ARF201

ARF200 Portasondas de flujo continuo | Acero inoxidable o Hastelloy C22 | Un sensor | Conexión del medio mediante acoplamiento del anillo cortante
ARF200 Portasondas de flujo continuo | Acero inoxidable o Hastelloy C22 | Un sensor | Conexión del medio mediante acoplamiento del anillo cortante
Número de producto:

ARF200

Industrias y aplicaciones relacionadas

Energía
En las centrales eléctricas, el agua se utiliza en muchos procesos con requisitos completamente distintos, por ejemplo, para la generación de vapor, la refrigeración y la depuración de gases de combustión.
Sistemas de intercambio iónico
Measuring of pH, dissolved oxygen and conductivity in boiler feed water, steam and condensate in combined cycle gas turbine in power plants.
Sistemas de agua de alimentación de calderas
Measuring of pH, dissolved oxygen and conductivity as the essential parameters in boiler feed water circuits. The challenge of this application is the low ion concentration.
Sistemas de agua de refrigeración
Cooling towers are used in a range of industrial sectors for diverting process heat from cooling circuits. Mineral deposits and corrosion reduce efficiency and lead to the premature wear of system components.
Generadores de vapor
Since steam generator functions are critical to applications and their downtime or replacement is extremely cost intensive, it is important to avoid damage due to wear...
Desolforazione dei gas di scarico
作为发电厂烟气脱硫工艺的一部分，测量预洗涤器、中和洗涤器和石灰洗涤器中的 pH 值。
Sistemas de tratamiento de aguas
Misurazione di pH, ossigeno disciolto e ORP in diverse applicazioni durante il processo di trattamento delle acque reflue delle centrali elettriche.
Turbina de gas de ciclo combinado
Medición de pH en el prelavador, en la neutralización y en el lavador de cal dentro del proceso de desulfuración de gases de combustión en centrales eléctricas.

Folleto sobre la industria energética

Resumen de aplicaciones específicas y soluciones de productos en diversos ámbitos de las centrales eléctricas.

Download

cCare

Descargue nuestro folleto cCare para obtener una visión general del sistema cCare y sus componentes.

Download

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