Veolia Water Technologies & Solutions

Electrodiálisis (ED)

Para la desmineralización de flujos de procesos con valor agregado

Using our proprietary ion exchange membranes, ED increases the quality and purity of your process stream by removing salts and other ionized components, keeping the valuable product.

Resumen

Características y beneficios

  • High recovery of valued product by removing minerals and other ionized components.
  • Reduces chemical consumption and salt waste effluent compared to Ion Exchange (IX).
  • Flexibility of operation because processes can be tuned to meet any product set point.
  • Funciona de forma simple y confiable con un diseño automatizado montado en una plataforma que funciona en el modo continuo o por tandas.
  • Batch or continuous operation with Veolia’s modular system designs.

Aplicaciones

  • Industria láctea: desmineralización de suero de leche y permeado
  • Eliminación de sales de aminas termoestables, desmineralización de soluciones de glicol
  • Estabilización de vinos
  • Glycerin desalting
  • Demineralization of sweeteners

Cómo funciona

Electrodialysis serves as a demineralization process that operates similarly to a plate-and-frame ion exchanger system. In this process (Figure 1), ions are transported from the salt-containing feed stream to a separate water stream called the concentrate through the use of selective ion-exchange membranes. The process is driven by a direct electric field that is applied between an anode and a cathode. The valuable products, which remain uncharged, stay within the feed stream (now called the dilute stream), and these products include substances such as whey protein, lactose, sugar, glycerin, and glycol.

ED process

Figure 1: Standard Electrodialysis Process Diagram

 

 

Case Studies & Resources

Planta procesadora de lácteos produce suero de leche desmineralizado con electrodiálisis

Download Case Study - Demineralized Whey with ED

La electrodiálisis proporciona una solución viable para la recuperación de MEG en alta mar

Download Case Study - Electrodialysis (ED) Provides a Viable Solution for Offshore MEG Reclamation

Electrodialysis for Wine & Grape Production

Download Case Study - Electrodialysis for Wine & Grape Production

Procesamiento de vino

Download Case Study - Wine Processing

Electrodialysis Technologies Resource Documents

View - Electrodialysis Technologies Resource Documents