Share this page

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.

VIEW List View Grid View Refresh Sort Order
Pentair AquaMatic Valve and Controller Discontinuation Notice >

After over 80 years in the market, we received a discontinuation notice from the manufacturer of AquaMatic valves and controllers. There are two important dates to remember: March 30, 2016 – Last day to place orders for new AquaMatic valves and controllers May 30, 2016 – Last shipping day for new AquaMatic valves and controllers Please look


Finally Available! – Stainless Steel Resin Traps >

After many requests, Res-Kem now has stainless steel resin traps available!  So, in addition to our standard PVC and CPVC resin traps, we now offer them in 304SS and 316SS. 304 Stainless Steel Traps Each Rated for 210 gpm Flow The end connections have Van Stone Flanges for maximum installation flexibility.  All stainless steel units


Customized Greensand Filter for Brewery Prepared for Shipping >

With factory testing completed, Res-Kem’s greensand filter with several advanced features is ready for shipment to a local brewery.  Because the water is integral to production of their beer, this expanding brewery needed features which are not typical for a greensand filter: Allen Bradley CompactLogix PLC with Ethernet gateway to communicate with the central plant


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 Res-Kem,  we like to take a step back and help you determine what equipment will cost effectively handle your water treatment issue.  Since there are so many choices and combinations


Water Softener Shipped to Luxury Hotel in Delaware >

Water softener for a new luxury hotel in Wilmington, Delaware was shipped from our Res-Kem Aston facility.  This system treats all the incoming Wilmington city water for the entire hotel including bathrooms, restaurant, etc.  With the special piping configuration, dual flowmeters and special Pentair NXT controller, the system operates in alternating, parallel or demand modes with simple programming changes.  150


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 products and/or manufacturing companies should read the articles. Here are some examples of what Res-Kem has been working on with 3D printing.    3D Printed Condensate Polisher and Dealkalizer ModelsUsing Two Different Additive Technologies


Carbon and Multi-Media Filters Shipped to Eastern Pennsylvania Power Plant >

Res-Kem shipped a multi-media filter and a carbon filter as pretreatment to an RO system.  Previously, this coal-fired power plant purchased a softener from Res-Kem. Also, we supply DI service vessels for post-RO polishing.  The general system arrangement is: Well => Multi-Media Filter => Activated Carbon Filter => Softener => RO => Storage Tank =>


Condensate Polisher Shipped to New Jersey University >

Last week, Res-Kem shipped a condensate polisher to a New Jersey university.  This condensate polisher will be installed as part of a new onsite power production facility at the university operated by an independent energy development company.  They will produce power for the university under a DBOM (Design, Build, Operate, Maintain) agreement. Excess power produced


Water Softener Shipped to Hawaiian Resort Hotel >

A water softener was shipped to a luxury resort hotel on Maui.  The system will treat the water for the hotel’s laundry. Hot Water Softener with Stainless Steel Piping and Bray Butterfly Valves System Specifications:   Operating Temperature 140F water for laundry System Configuration Single hot water softener with automatic bypass Materials of Construction Carbon


Condensate Polishing System Shipped to University in Rhode Island >

A condensate polisher was shipped last week to a university in Rhode island to treat their steam condensate to save energy, reduce water usage and reduce water treatment chemical usage. Res-Kem Dual Tank Condensate Polishers Designed to Treat a Maximum of 300 gpm   What is the Res-Kem water treatment application? Sodium cycle condensate polishing


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 produce water with three different qualities to supply: 10 gpm to process cooling equipment 40 gpm to laboratory benches and humidification equipment 75 to 125 gpm to recirculation loop feeding process tools Ultrapure Water System


Industrial Water Softener Shipped to Repeat Food Flavorings Customer in New Jersey >

Res-Kem recently shipped a second 84 inch industrial water softener to the same food flavorings plant in southern New Jersey. The water treated by the water softener is used to make steam to sterilize the raw plant material prior to extraction and to extract the flavoring. The softener is the replacement to a second existing tank


Second Condensate Polishing System Shipping to a North Carolina University >

Res-Kem is shipping the second of two condensate polishing systems to a leading private university in North Carolina next week.  This is the second of two systems sold to this same university in the past year and a half.  This system treats 400 gpm of dirty condensate. Res-Kem’s Dual 54 inch Sodium Cycle Cycle Condensate Polishers To improve


Greensand Filters Shipped to Western PA Water Plant >

A western Pennsylvania, small private water utility, recently received four greensand filters to replace the filters that were failing.  Unable to get the original manufacturer to provide new, duplicate units, our customer found our website.  Because of State regulations, the systems and their operation needed to be as close to the original as possible, otherwise new permits would


Iron and Manganese Removal Filter Shipped to Westchester County HQ >

Res-Kem recently shipped a 52 gpm dual tank greensand filter to a Westchester County New York corporate headquarters campus.  This filter uses greensand to remove dissolved and precipitated iron and manganese from the water coming from the local public water system. Dual 36″ Greensand Filters with Bray 31 Valves and Bray Series 93 Pneumatic Actuators Water


Improving Efficiency of Water Softeners at a Hospital >

A customer found they could reduce the salt and water costs of regeneration by 63% by having our service person diagnose the problems they were having and make changes to the system. Situation: A hospital customer has a 20 cubic foot water softener used for domestic water.  The system was designed for run length of


DI System Shipping to Washington Chemical Plant >

Shipping today is a two bed (cation ion exchange tank followed by an anion ion exchange tank) demineralizer for a chemical plant in Washington State. This unit is a DI60072 and will be used in parallel with several other older systems currently installed at the same plant to increase treated water capacity. 150 gpm Demineralizer


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 please be patient during the download.) Res-Kem’s Industrial Water Treatment Equipment Catalog for 2012 In addition to the updated XL, CL and ML Series RO system bulletins, we have updated the two


400 gpm Multi-Media Filters Shipped to Brewery in Pennsylvania >

Res-Kem shipped a dual alternating multi-media to a brewery in northeastern Pennsylvania.  The each multi-media vessel has a design flow rate of 400 gpm and a peak flow rate of 510 gpm.  The system filters all the municipal water entering the plant for all applications including brewing.      Design Features: Two 84″ diameter ASME code vessels rated


Q&A on Condensate Polishers with Res-Kem’s Kevin Preising >

While dirty condensate clean-up can be an energy buster in most processing plants, one cost effective solution is to polish contaminated condensate for re-use. Condensate polishers use a simple ion exchange technology that is easy to operate, easy to maintain and economical to use – less make-up water is required which leads to lower chemical


Condensate Polishing & Maintaining Quality Boiler Water >

Maintaining proper boiler water quality can be both costly and complicated when faced with navigating ASME boiler water guidelines. One cost effective solution is sodium cycle condensate polishing. Simple to operate and maintain, condensate polishers have been proven to realize real savings relative to chemical and energy consumption and provide the ability to control corrosion transport


Condensate Polisher Ready for Shipment to Chemical Plant in Louisiana >

Res-Kem will be shipping a condensate polisher to a chemical plant in Louisiana in a two days.  This system will be used to treat condensate to save water treatment chemical costs, identify process equipment leaks and will likely improve product quality of the chemicals they produce. What is the problem? The chemical plant uses steam


Water Softener Shipped to Food Flavorings Company in New Jersey >

Res-Kem recently shipped an industrial water softener to a food flavorings plant in southern New Jersey.  The water treated by the water softener is used to make steam to sterilize the raw plant material prior to extraction and extract the flavoring.   The softener will be a replacement to an existing tank which has failed after 40 years


Validatable Water System for New Jersey Pharmaceutical Company Shipped >

We were recently asked to provide a DI water system for a central NJ Pharmaceutical company. They required a small amount of water for a batching operation, 50 – 60 gallons per batch 3 to 5 batches per day. Their requirements were that the water would have to meet USP specifications and that the system


3D CAD Drawings for Condensate Polishers for University in Massachusetts >

In order to speed installation of the condensate polishers we recently shipped to Massachusetts, Res-Kem was asked to provide 3D CAD files for the condensate polishers.  Here are some screenshots of these drawings. Why use 3D CAD? Given the complexity of the installation, tight dimensions and tight timeline, the 3D drawing helps the mechanical contractors understand


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. Ion exchange hasn’t really made quantum leaps into this either. So before I depress my fellow colleagues and influence young people to seek another career path, there is one exciting


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 demineralizer systems. You should have the resin analyzed on a yearly basis to check the quality and performance of the resin. Samples can be taken from the resin bed and sent to Res-Kem to


Trailer & Skid Mounted Mobile Water Treatment Systems Available >

Res-Kem, in association with our parent company, Nalco, now offers many different mobile water treatment system options. Whether you need supplemental water for short-term shortages, temporary water while waiting for a new system to be delivered, or improved water quality due to a change in feedwater, we can provide the mobile options to meet your


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 reversible or non-reversible fouling of the cation and/or anion ion exchange resin. These are some of the common foulants: Iron: Clear Water Iron (ferrous


Condensate Polisher Shipped to a Virginia University >

This past month, we have built and sent another condensate polisher to a major university in Virginia. This stainless steel system with carbon steel piping is designed to treat 175 gpm and designed to operate at 100 psig and 200 F. The system has dual ASME-code 36 inch diameter tanks. The piping is Schedule 80


Corroding Condensate Polishers >

I have written several posts about Res-Kem’s reasons for manufacturing our condensate polishers in stainless steel. Here are two lessons why this is important. What happened? Within the past two weeks, we have been contacted by two different facilities managers who purchased sodium cycle condensate polishers from companies other than Res-Kem. The tanks on their


200gpm Condensate Polisher for Major Chemical Company >

Res-Kem will be shipping a 200 gpm condensate polisher for a large chemical company later this week. Using our standard all stainless steel condensate polisher design, the system was customized to meet the customer’s specific requirements. The tanks are ASME code tanks with a design pressure of 125 psig. All piping is welded stainless steel


Softener Service at Power Plant in New Jersey >

After reviewing our blog posts over the past 4+ years, I realized we have not talked much about our site service team. Our normal service area is in New Jersey, Eastern Pennsylvania, Delaware, and Maryland. On a case-by-case basis we have gone substantially further. Situation: At a power plant in coastal New Jersey, a triple


Industrial Water Softener Skid-Mounted Shipped >

I try to keep up with our shipments, but with all the systems going out recently, I missed posting this dual tank industrial water softener out about two weeks ago. The system is a dual tank alternating, skid mounted, water softener, including interconnecting piping and isolation valves. GE Aquamatic composite diaphragm valves are used for


Custom Manual Water Softeners Shipped >

Last week, we shipped two custom water softeners. The customer was using the softeners to treat the water feeding plant safety showers. Res-Kem has the flexibility to take our standard industrial water softener designs and modify them to meet a specific customer’s requirements for virtually the same cost as our standard systems. For example:The plant


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 small community water system in the Poconos operated by a large private water utility company. The system operates in a parallel arrangement with three skid mounted, Greensand Plus


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,


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


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,


Triple Softener System for Steam Heat Peaking Plant Sized for 750 gpm Flow >

Here is another example of number of the industrial, commercial, residential, and/or residential water treatment systems being designed, assembled, shipped and installed by Res-Kem engineers, pipefitters, and/or contractors within in the past few months. A Boston steam heating company needed to replace their aging Permutit triple softening system. These units, with Permutit multiport valves, had


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 polisher in our boiler plant. Should the vessel be constructed of carbon steel or stainless steel? Answer: Over 75% of the condensate polishers that Res-Kem builds utilize stainless steel pressure vessels. If you use a


Condensate Polisher with All Stainless Steel Construction >

Last week, Res-Kem shipped a condensate polisher designed to treat an 80 gpm flow rate with a 390,000 grain capacity. The condensate polisher had an all stainless steel construction including an ASME code stainless steel pressure vessel, stainless steel internals, stainless steel Aquamatic valves and face piping. Not shown is the brine tank used to


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 an Answer: The first thing we need to do is estimate the amount of water that will be used. The question is how? After you work in any



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.
Privacy Policy
© 2016 Nalco
An Ecolab Company