IEX 2014: Technical Training - Introduction to Industrial Water Purification by Ion Exchange

Introduction to Industrial Water Purification by Ion Exchange

18 July 2014

The IEX 2014 Technical Training Courses took place on 8-10 July at the University of Chester. Following from the success of the technical training courses associated with IEX 2008 and 2012. This event proved to be very popular attracting 50 delegates in total and was a great success with many interesting talks from a number of highly experienced speakers.

Please note the presentation papers for this conference are only available for event delegates to view. If you did not receive a password or have mislaid it, please contact

Wednesday 9 July

Richard Hill, Whitewater Ltd
The treatment of raw water to remove non-ionic contaminants prior to ion exchange including coagulation, flocculation, clarification and filtration processes, organic scavenging and membrane filtration processes.
Treated water quality and design specification 
Rob Terrell, ABB Consulting
Writing specifications for water treatment plant including defining the plant duty in terms of treated water quantity and the quality requirements for various industrial applications.
Ion exchange process overview 
Richard Hill, Whitewater Ltd
An introduction to the main ion exchange processes used in industrial water treatment including softening, dealkalisation, two bed demineralisation and mixed bed polishing.
Introduction to ion exchange resin types and properties 
Brian Windsor, Purolite Limited
Types of ion exchange resins - weak and strong exchangers, styrenic and acryllic matrices, gel and macroporous - and their applications.
Ion exchange process design
Joe Woolley, Watercare International
Resin capacity, exhaustion and regeneration in co- and counter-flow modes, mixed beds.
Ion exchange resin selection 
Marc Slagt, Dow Water and Process Solutions
Selection of the best type resin for a particular processes - matrix, degree of cross linking, functionality and size grading.

Thursday 10 July

Reverse osmosis 
Justyna Warczok, Dow Water and Process Solutions
Reverse osmosis is increasingly used ahead of or as an alternative to ion exchange explaining the theory, membrane types, plant arrays and performance.

Ion exchange plant design 
Richard Hill, Whitewater Ltd
Resin volume, bed hydraulics, regeneration systems, construction of resin vessels and internals.
Ion exchange plant monitoring and control 
Rob Terrell, ABB Consulting
Instrumentation for water quality and flow control during exhaustion and regeneration and regeneration sequence control.
Trouble Shooting
Joe Woolley, Watercare International
Common problems of ion exchange plant, their diagnosis and solutions, resin oxidation, resin fouling and clean-up.

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