Archive


Table Tiles

November 2017

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A membrane clean-in-place system. Photo courtesy of Nalco Water.

Back to Basics

Part 2: What Membrane Performance Issues Impact RO System Operation?

By Jane Kucera

October 2017

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Examples of hydrogen embrittlement.

Boiler Feedwater

30 Year's Experience in Fighting Corrosion at Power Plants

By Bill Boyd

August 2017

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Image of a membrane surface with silica and calcium sulfate scale. Courtesy of Avista Technologies.

Membranes

What is Chemistry’s Role in Maximizing RO Recovery Rates?

By Lee Durham and Raul Gonzalez

June 2017

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A chemical feed pump with dial control for stroke length and rate. Photo courtesy of Pulafeeder.

Back to Basics

Here are the Basics of Chemical Feed Systems

By Robert Hamilton and Robert Sterner

October 2016

Patents

Patent Summaries: Evoqua's Electrical purification device; Dow's Biocide compositions and NCH Corp's Water Treatment Chemical

Compiled by Mike Henley 

August 2016

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Cooling Systems

Understanding Water Chemistry Differences Between Closed and Stator Cooling Water Systems

By Colleen M. Layman

July 2016

Patents

Patent Summaries: Evoqua investigate a method to irradiate a liquid; Kurita Cleaning and sterilizing method for UPW manufacturing system

By Mike Henley

June 2016

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Cooling Water

Application Of Membrane Capacitive Deionization Technology In Cooling Towers

By Piotr Dlugolecki, PhD, Aurora Connorton-Spragg, and Carlos Camero

May 2016

Patents

Patent Summaries: ChemTreat, Inc - Improving industrial water recirculating fluid heat transfer and a new treatment method to reduce or eliminate treatment chemicals

Compiled by Mike Henley 

April 2016

Ballast water

Patents

Patent Summaries: Organo - PWR primary cooling water IX system; Kurita - Ballast water treatment; Infilco Degremont - Organic wastewater biological-chemical treatment and more...

Compiled by Mike Henley 
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Membranes

What Steps Can Improve RO Reliability And Reduce Operational Costs?

By Sergey Gromov

February 2016

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pH Sensors

Proper Installation And Cleaning Practices For pH Sensors

By Frederick J. Kohlmann

Patents

Latest Patent Summaries: Oasys Water - FO separation; LG NanoH2O - Nanoparticle thin-film membranes; Woongjin Chemical Co - FO for Seawater Desal

Compiled by Mike Henley 

October 2015

6.how do chemical treatments for high pressure and low pressure boilers differ

Boiler Feedwater

How Do Chemical Treatments for High-Pressure and Lower-Pressure Boilers Differ?

By Bill Boyd

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