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EDI (Electrodeionization)

EDI Water Treatment System for Ultrapure Water

Visão geral do produto

Electrodeionization (EDI) is a continuous, chemical-free water purification technology that combines ion exchange resins, ion exchange membranes, and direct current (DC) power to deeply deionize water. As the ideal polishing step following reverse osmosis (RO), EDI systems eliminate the need for hazardous acid and caustic regeneration chemicals used in traditional mixed-bed ion exchange. Our EDI modules and integrated systems reliably produce ultrapure water (UPW) up to 18.2 MΩ·cm, providing a safe, stable, and environmentally friendly solution for critical industrial applications.

EDI (Electrodeionization)

EDI Water Treatment System for Ultrapure Water

EDI technology provides a continuous, chemical-free polishing process to deliver stable 18.2 MΩ·cm ultrapure water for the most demanding industrial applications.

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Principais aplicações

  • RO Membrane

    Essential for semiconductor and microelectronics manufacturing, providing the ultrapure water (UPW) required for wafer fabrication.

  • RO Membrane

    Used in power generation for high-pressure boiler feed water, preventing scaling and corrosion in turbines.

  • Flat Sheet Membrane MBR

    Crucial for pharmaceutical and biotechnology industries to produce Purified Water (PW) and Water for Injection (WFI).

  • EDI (Electrodeionization)

    Applied in the chemical and petrochemical sectors to supply high-purity process water for sensitive chemical syntheses.

Why EDI Water Treatment Matters

Benefícios de desempenho

Transitioning from traditional mixed-bed resins to EDI offers transformative operational and environmental advantages for ultrapure water production.

Chemical-Free Operation: No acid or caustic regeneration chemicals required.

Continuous Production: DC power enables continuous resin regeneration with less downtime.

High Water Quality: Produces ultrapure water up to 18.2 MΩ·cm.

Lower Operating Costs: Reduces labor, chemicals, and waste treatment costs.

For facilities requiring a reliable, safe, and continuous supply of ultrapure water, EDI is the proven and modern replacement for traditional mixed-bed polishing.

EDI (Electrodeionization)

Destaques técnicos

  • Ion Exchange Integration

    Utiliza uma estrutura de poliamida de várias camadas para maximizar a permeabilidade à água, mantendo uma barreira excecionalmente elevada aos sais dissolvidos.

  • DC Power Regeneration

    Applies an electrical field to split water molecules, continuously regenerating the resin bed without chemical intervention.

  • Leak-Free Design

    Robust module construction ensures a leak-free operation, protecting sensitive surrounding equipment in high-tech facilities.

  • Advanced Controls

    Compatible with standard PLC and SCADA systems for real-time monitoring of resistivity, voltage, and flow rates.

Fabrico e qualidade

Fabrico e QualidadeIntro: Como fabricante de fábrica, controlamos o fabrico de membranas, a montagem de módulos e a inspeção sob um sistema de qualidade documentado.

Hollow Fiber UF Membrane

Qualidade

-Fabricação consistente de membranas e montagem de módulos.

-Inspeção e teste de integridade antes da expedição.

-Desempenho estável de lote para lote para consistência do projeto.

-Suporte para dimensões e configurações de módulos personalizados.

Este controlo do fabrico ajuda as equipas EPC e os operadores a reduzir a incerteza durante a instalação e a colocação em funcionamento.

Casos de projectos selecionados

Descubra projectos reais de tratamento de água em diferentes aplicações, mostrando a nossa experiência em sistemas de membranas, processos de purificação e soluções para águas residuais.

Entrega e apoio

As membranas UF de fibra oca são normalmente integradas nas seguintes soluções:

  • Fornecimento direto da fábrica para projectos e distribuidores

  • Folhas de dados técnicos e orientações de integração

  • Apoio à preparação da entrada em funcionamento

  • Planeamento de peças sobressalentes e de substituição

  • Apoio técnico a longo prazo durante o funcionamento

Hollow Fiber UF Membrane(3)

FAQ

Apoiamos a sua equipa no local durante a preparação para o arranque e a entrada em funcionamento, incluindo:

  • What is the difference between EDI and traditional mixed-bed deionization?

    The primary difference is how the ion exchange resin is regenerated. Traditional mixed beds require the system to be taken offline and flushed with hazardous acids and caustics. EDI uses an electrical current (DC power) to continuously regenerate the resin while the system is running, eliminating chemical handling and downtime.

  • What feed water quality is required for an EDI system?

    EDI systems are highly sensitive to feed water quality and must be used as a polishing step. The feed water is typically the permeate from a single or double-pass Reverse Osmosis (RO) system, which has already removed the vast majority of suspended solids, organics, and dissolved salts.

  • Can an EDI system consistently achieve 18.2 MΩ·cm resistivity?

    Yes. When supplied with the correct RO permeate feed water and operated within the specified voltage and flow parameters, our EDI modules can consistently and continuously produce ultrapure water reaching the theoretical maximum resistivity of 18.2 MΩ·cm.

Get an EDI System Proposal

Share your project requirements and our team will recommend a suitable EDI configuration and integration approach.

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