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Water Technology Consultancy · Netherlands

Advanced water treatment & electrochemical technology consultancy

We help companies understand, develop and implement water-treatment solutions — with specialized depth in electrochemical separation technologies like MCDI, ED and RED.

What We Do

Three areas of specialized consultancy

Practical, science-based advice for companies facing water-treatment and separation challenges.

Water Treatment Consultancy

Practical technical advice on desalination, wastewater treatment, water reuse, industrial water treatment, ultrapure water and brine treatment.

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Electrochemical Technology Consultancy

Specialized expertise in Membrane Capacitive Deionization (MCDI), Electrodialysis (ED), Reverse Electrodialysis (RED) and ion-exchange membranes.

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Technology Development Support

Support for companies developing or improving water-treatment technologies — from concept to process optimization and R&D strategy.

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Why Choose Us

An independent, science-based partner

Science-Based

Recommendations grounded in scientific knowledge and evidence.

Independent

Focused on the most appropriate solution for your problem.

Practical

Solutions built to work under real-world conditions.

Collaborative

A network of scientists, labs and industrial partners when needed.

Flexible

From a focused consultation to long-term development support.

Relevant Experience

Built on hands-on research and technology development

Membrane Capacitive Deionization

Development and optimization of MCDI systems for selective ion removal in water treatment.

Electrodialysis

Electrochemical desalination and separation process development for TDS reduction and ultrapure water production.

Selective Ion & Mineral Separation, Resource Recovery

Evaluating membrane-based approaches for complex aqueous solutions — scouting technologies and developing process flows to turn waste into value.

Brine Treatment

Technical and economic assessment for treating concentrated saline streams, including Minimal Liquid Discharge (MLD) and Zero Liquid Discharge (ZLD).

Resource Recovery & Technical Due Diligence

Recovering water and valuable resources from industrial process streams, plus technical due diligence (TDD) for investment, scale-up and decision-making.

Lab-Scale Systems & Prototype Development

Design and build of laboratory-scale and automated prototypes of electrochemical technologies.

Dr. Antony Cyril Arulrajan
Founder

Dr. Antony Cyril Arulrajan

Founder of Versi Watertech and a water-technology researcher and entrepreneur with a PhD in Water Technology. Extensive experience in electrochemical water treatment, membrane capacitive deionization, electrodialysis, ion-exchange membranes, desalination and resource recovery.

Also Co-founder and CTO of a Dutch deep-tech company developing advanced lithium and rare-earth refining technologies.

PhD, Water Technology MCDI & ED Ion-Exchange Membranes Desalination
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Get In Touch

Let's discuss your water challenge

Whether it's a technical problem, a technology-development question, or a need for independent advice — we're happy to talk it through.