PWS serves clients across the globe with a comprehensive suite of services including technology development, process troubleshooting and project support. Our team has provided innovative solutions to more than 50 clients on six contents, from concept to full scale water treatment, desalination and water reuse solutions.

Our clients include industry leaders looking to further develop technology advancements as well as companies in need of specialized technology solutions.

Our Differentiation

PWS is headed by a team of highly respected leaders within the global water industry who have worked together closely for many years. The synergies resulting from our unparalleled technical knowledge and decades of practical experience in world’s most challenging water treatment applications is one of our key areas of differentiation.

We bring invaluable insights and perspectives to our clients, whether they are seeking to deploy or improve technologies and solutions, looking to develop and commercialize new and innovative technologies, or, for earlier stage enterprises, seeking technology evaluation.

Through our vast supply chain, developed over several years, as well as partnerships with major universities and research centers, we provide our clients with unsurpassed access to advanced water treatment technology analysis tools and services.

Our Commitment

To provide world class, cost effective and sustainable technology development services and process solutions.

Knowledge Sharing

In addition to providing commercial services, PWS is also pleased to share a range of free technical resources including engineering design, water chemistry and costing tools, and information for members of the global water treatment professionals. Feel free to visit our Resources page to explore these tools and information. We welcome your feedback.


Our Team

PWS was founded by Arian Edalat, Ph.D. and a few close associates.  Our team has over 40 years of experience in nearly all aspects of water treatment, desalination and water reuse – in particular the development and application of advanced membrane and process technologies for water desalination and process separations.

Dr. Arian Edalat

Dr. Arian Edalat
Founder and CEO

Dr. Edalat has two decades of experience in desalination and advanced water treatment research, product development, bench and pilot scale testing as well as full-scale integrated membrane system design, engineering, fabrication, installation, commissioning, operation and maintenance. Learn more about Dr. Edalat’s background and experience.

Dr. Eric Hoek
Founder and Advisor

Dr. Hoek has over two decades of experience in basic research, invention, development and commercialization of new membrane materials, innovative processes and control software technologies related to conventional and membrane-based water treatment, desalination and reuse applications. Learn more about Dr. Hoek’s background and experience.