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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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Discontinued DOW FILMTEC™ RO and Nanofiltration Products >
While working on adding Dow Filmtec membranes to the Nalco eCommerce site, I came across this interesting list of discontinued FILMTEC™  RO and NF products on...

RO Membrane Cleaning-Offsite >
If you have an RO system, periodically you will need to clean your membranes. We can provide off-site membrane cleaning services that are designed to improve the ...

North Jersey Service Center Opens in Linden, NJ >
To serve our customers in North Jersey, Eastern New York and Long Island better, we opened our 10,000 sqft service center in Linden, NJ.  From this location, we ...

Water Treatment Ecommerce Site Open For Business >
Our new E-commerce Web Site for water treatment, http://reskem.ecolab.com is ready to accept orders for many of the replacement parts you need for your industri...

3D Printed Model of Rental Condensate Polisher >
To speed up installation of our rental condensate polishers, we will provide a 3D CAD file as part of the documentation.  This is will insure the condensate pol...

Selecting the Perfect Filter Cartridge >
Being a distributor of water treatment supplies, we are asked to provide filter cartridges. Most of the time, these requests will consist of: “Hey, I need a...

OSHA Required Deadline You May Not Know About-December 1, 2013 >
Do you use chemicals or produce chemicals in your facility?  You may not be aware on December 1, 2013, OSHA, Occupational Safety and Health Adminis...

Critical Safe Equipment Operation & Maintenance Reminder From Aquafine UV >
On November 13, we received a bulletin from Aquafine stating this precaution:  “This bulletin is a reminder of the potential risk of an unsafe condition a...

1.4 MILES of Wire Saved Through Innovative PLC Architecture >
… and over 800 electrical and 40 instrument air connections! The field wiring for our customer became very complex because they wanted verification that eac...

10 Questions to Answer Before You Specify Water Treatment Equipment >
Many times per day, we are asked to provide a quote for a specific water treatment technology like RO, demineralization, water softening, filtration, etc.  At Re...

Unleashing Innovation: Manufacturing – Wall Street Journal Special Report >
The Wall Street Journal had an excellent special report on manufacturing yesterday, June 11, 2013.  I would recommend anyone who is involved with manufactured pr...

Ultrapure Water System Starting Up at Nanotechnology Center in Philadelphia >
Res-Kem supplied, to a new nanotechnology center in Philadelphia, an ultrapure water system. The start up will commence this Monday. The system is designed to...

Naturally Occurring Radioactive Material in Your Water >
NORM means Naturally Occurring Radioactive Material and TENORM stands for Technically Enhanced Naturally Occurring Radioactive Material.   The USEPA states R...

Siemens Selling Water Treatment Business >
The big news in the water treatment industry for this past week has been Siemens’ announcement to sell the water treatment equipment and...

Downloadable Catalog of Water Treatment Equipment Updated >
For 2012, we updated our downloadable industrial water treatment catalog.  (Given the number of equipment choices we provide, the catalog file is very large, so...

New Two Bed Demineralizer Technical Bulletins >
Res-Kem has a complete 2-Bed demineralizer product line designed for industrial water production.  The standard tank sizes range from 18″ to 96″.  ...

I Can’t Believe It’s Not A Water Sample! >
Holy Moses! It wasn’t 1 week after my last blog on October 28th 2011 about receiving water sample in old pickle jars when I get a water sample in an used ma...

Reduce Your Backwash Flow or Lament “Why is my ion exchange resin in the drain?” >
It is that time of year.  You must reduce your backwash flow in the Fall or you will find your ion exchange resin in the drain or waste treatment plant. Why do...

Water Sampling a Critical Step in Water Equipment Selection >
For our wholesale equipment customers who treat well water, we offer a very basic water analysis. Ultimately, the success of the water treatment starts with prope...

Ultra Filtration – The Membrane Problem Solver >
There are very few innovations in the water treatment market these days. Sure the electronic controls have gotten more intuitive and compact, that is about it. Io...

Ion Exchange Resin Testing & Analysis Services >
Test your ion exchange resin to monitor and maintain your water treatment systems such as softeners, dealkalizers, condensate polishers, deionizers or demineraliz...

Fleck Valved Multiple Tanks -“What’s Your System Number?” >
The Problem: Many water treatment end users can wind up inheriting an orphaned treatment system. Usually it was part of a package supplied by a car wash or a boil...

Common Cation Ion Exchange Resin Foulants >
We are often asked to help with an ion exchange system that no longer has the same run length as when it was new. Typically, this is the result of either reversib...

Activated Carbon-“That Old Black Magic” >
Activated carbon is an amazing product. Its ability to purify and remove contaminants seems limitless. However, few people know what activated carbon really is or...

Pentair NXT Electronics to the Rescue to a Field Customization Catastrophe >
Question: Recently, a customer called Res-Kem looking for assistance with troublesome Fleck 2900 valves at a car wash. The system was a hodge podge of “borr...

GlobalSpec Condensate Polisher Presentation Archive >
GlobalSpec now has easier access to presentation archives from their Virtual tradeshows. Here is the presentation Kevin Preising gave at the “Industrial Pro...

Triple Greensand Plus Filter for Iron and Manganese Removal >
A triple Greensand Plus filter for iron and manganese removal was assembled and shipped today. This skid-mounted system will be installed to treat the water for a...

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...

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 tim...

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,...

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&...

How to Measure pH Accurately in Steam Condensate >
Keeping within ASME guidelines for total iron in boiler feedwater below 0.1 ppm and total copper below 0.05 ppm copper requires attention to the maintenance of st...

Uniform Particle Size Ion Exchange Resins >
We received notice today that Purolite Ion Exchange Company will no longer be selling the anion resins, A-300 and A-400. These resins will be replaced by Purofine...

Setting Brine Tank Refill Time on Fleck Softener Valve >
The Pentair® Fleck® multi-port softener valve controllers, electronic versions SE, XT, XTR and SXT and non-electronic versions, are very flexible allowing for c...

Parts for Solo, Solomatic, Bruner, Brunermatic, Permutit, Aquamatic, Culligan HiFlow Multiport Valves & Others >
Routinely, Res-Kem receives requests for quotes for water treatment systems and their replacement parts. One area that frequently needs explanation is replacement...

Type II Anion vs Type I Anion: Ion Exchange Resin Analysis Yields Regeneration Savings >
Res-Kem is a supplier of ion exchange resins from several vendors including Purolite. Res-Kem is often asked to diagnose a potential ion exchange resin problem. D...

Activated Carbon: Mesh Size >
We are often questioned about the differences between 1240 (12 by 40) mesh activated carbon and 830 (8 by 30) mesh activated carbon. The 1240 mesh activated carbo...

FILMTECTM BW30LE-440 and BW30LE-4040 RO Elements to be Discontinued >
The Dow Chemical Company recently sent a discontinuation notice for the FILMTEC BW30LE-440 and BW30LE-4040 which have been an industry standard for many years. Do...

Ion Exchange Resin Disposal >
Recently a customer asked us what to do about getting rid of the old resin after replacing it with new. This is a common question we get all the time. In general ...

How to Correctly Size a Sodium Cycle IX Condensate Polisher >
Problem: Customer Can’t Get Enough Flow through Condensate Polisher => How to Correctly Size a Condensate Polisher Solution: Customer called to state the...

Condensate Polisher Vessel Materials of Construction >
We often receive the following question about the materials of construction of condensate polisher vessels. Question: We’re considering a condensate polishe...

Aquamatic Valve Selection and Pricing >
A common inquiry we receive at Res-Kem is a customer looking for a price and delivery on an Aquamatic Valve. We, in turn, ask the customer the following: What kin...

Water Testing Services Offered >
Before purchasing any water treatment equipment, the first piece of information a person should obtain is a water analysis. The challenge is you want a quick, ind...

Solo and Solomatic Valves from Aquamatic >
Over many years most water treatment equipment manufacturers utilized various types of multiport valves for their water conditioning equipment, including water so...

Aquamatic Valve and Repair Kit Selection >
Res-Kem receives many requests for replacement of GE® Aquamatic® valves and Aquamatic valve repair kits. Please contact us. We have many people that can help yo...

Ion Exchange Resin Equivalency Chart >
There are many different ion exchange resin manufacturers including Purolite, Dow, Sybron/Bayer, Thermax, Rohm and Haas and ResinTech. We are often asked to provi...

Boiler Feed Water Flow Rate Requirements Chart >
Question: We received a request for proposal today for “a water treatment system to treat the water going into my dual 194 HP steam boilers”. Start of...

Problems with a Bruner(R) Softener Multi-Port Valve >
Here are some common problems we see with very old Bruner(R), Bruner-matic(R), and Culligan(R) Hi-Flo (TM) multi-port valves. A recent request for help prompted t...

How Does a Softener Valve Nest Work? >
The “valvenest” for a water softener is made of a minimum of six valves. The easiest way to understand how the water and brine flows through the valve...

My backwash flow rate is too high for my well and well pump >
A common design issue for sand filters, multi-media filters, greensand filters, arsenic removal units, etc. is the large difference between the backwash flow rate...

Why should I treat my boiler condensate? >
Question: Why should I treat my boiler condensate? Our Answer: The reason why to treat your boiler condensate is condensate systems always leak. Heat exchangers a...

What is an Empty Bed Contact Time (EBCT)? >
Question: We receive many questions on calculating the Empty Bed Contact Time as follows: “How do I calculate the “Empty Bed Contact Time” for s...

Bacteria in RO System >
Question: “I am getting some bacteria coming out of my RO that I was not getting before. How can I clean the membranes.” Our Answer: You can use a pro...


How Can We Help?
Looking to service, replace, expand, or improve your water pretreatment system? Need supplies or replacement parts for your pretreatment water equipment? Let Nalco PTS help you find what you're looking for or contact Nalco for further assistance with all of your water pretreatment system needs.
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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