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Pretreatment Solutions Blog

For over 9 years, Nalco Pretreatment Solutions has been presenting a unique perspective on the water industry, systems and technologies, from very technical applications information, to general business topics. Our overarching themes include Safety, Saving Energy, Saving Time, Saving Water, and how our Services, Systems and Replacement Parts achieve these goals. On a routine basis, we add information on our services, systems and replacement parts and show how they are important to your company.

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Dealkalizer Performance Calculations >

We recently had questions about a perceived problem with a dealkalizer. This customer believed the capacity of the dealkalizer was lower than originally specified and was unhappy with its performance. The customer was regenerating this new system more often than they regenerated the older system. We reviewed the system design and operation and found the


Pentair Fleck Electronic Timers >

Fleck has been moving quickly with upgrades to their electronic timers, which has created confusion over which is the latest one and which valves accept which timers. Is it ET, SE, XT, NT, NXT? By the time you read this there may be a more recent upgrade to the family of Fleck electronic timers. So,


Industrial Water Softener Maintenance >

Res-Kem Corp. and our sister company General Water Services offer preventative maintenance contracts for customers here in the Mid-Atlantic region. I thought it might be helpful to go over our Preventative Maintenance procedures for a commercial or industrial water softener for those of you who maintain your own water softening equipment. For an industrial water


Resin Traps-Insurance for Industrial Water Systems >

Recently, Res-Kem published a white paper entitled “Inexpensive Insurance for Water Treatment Systems-Resin Traps” by Ron Madden. In this white paper, three examples demonstrate how resin traps act as inexpensive insurance for costly problems that can develop when ion exchange resin reaches downstream process areas, process equipment, or the product. Depending upon the plant or


Condensate Polishers Shipped for Local University >

Last month, Res-Kem shipped a quadruple condensate polisher system to a local university. The condensate polishers are used to treat the water in the condensate loop, reducing water treatment chemical usage and reducing heat waste from excessive blowdown. The system is comprised of four individual ASME-code stainless steel tanks with stainless steel internals, face piping,


Water Analysis Article >

I came across an excellent article in an old issue of Water Conditioning & Purification magazine entitled “Making Sense of an Incomplete Water Analysis” by Frank DeSilva of ResinTech Inc. This article defines what the minimum required water analyses are for: Cationic Applications (hardness removal, metals removal, radium removal) Anionic Applications (sulfate removal, nitrate removal,


Aquamatic Valve & Control Lines Discontinued >

In addition to the announcement of the A200 series impulse control stager being discontinued, the letter from Pentair has other Aquamatic discontinuations. The following Aquamatic Valve & Control Lines will be discontinued after March 13, 2009. Also, certain Aquamatic Valve & Control options will be discontinued after March 13, 2009. Orders can be placed until


A200 Stager Control from Aquamatic Discontinued >

Soon after we completed changes to our website, discussed in our previous blog post, a discontinuation notice was Res-Kem just received in the mail from Aquamatic about the A200 Stager Control. After March 13, 2009 the controller, also called an A200 Impluse Stager Control, will no longer be available. The reason given was “despite their



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About Pretreatment Solutions
Nalco Pretreatment Solutions (PTS) is a leading manufacturer and supplier of services, systems and supplies for industrial and commercial water pretreatment systems for treating process water, product water, boiler pretreatment, and drinking water.
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