Water Pretreatment

World-class engineers and scientists are passionate about solving problems: the vision and dedication come naturally. Our team's qualifications are among the best in the industry, so great service is just part of the difference you get when you're working with Nalco's Membrane Solutions Group.

Plant Audits

To solve the right problems, you need the right data. We work with you to perform a survey of your plant.

Membrane autopsies

When questions about declining membrane performance need clear answers, a membrane autopsy may be required. We recommend when to perform a membrane autopsy, perform it for you, and help you interpret the results. We can identify the type of fouling, scaling, and damage to the membrane and can recommend steps you can take to resolve the issues.

Field cleanings

Request our on-site field cleaning services to get an expert's help.

Pretreatment optimization services

Our team also advises on the best pretreatment options to optimize your membrane performance.

Water analysis

An accurate water analysis will help you get a good assessment of your plant's condition and help you determine the best pretreatment options.


Skilled plant operators mean better membrane performance and longer membrane life. PermaCare training services provide fundamental membrane system pretreatment, operation, monitoring, and treatment knowledge for your staff.


3D TRASAR™ for Membranes Brochure
October 28, 2014

3D TRASAR™ for Membranes Brochure

3D TRASAR™ Technology for Membranes is the next generation of Membrane Performance Management. Its...

Download 3D TRASAR™ for Membranes Brochure
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