Archive


Table Tiles

November 2017

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Dynamic simulation test rig photograph.

Cooling Water

Why Deposit Control Polymer Selection Impacts Stressed Cooling Water System Phosphate-Based Treatment Program Performance

By Dr. Libardo A. Perez, Dr. Zahid Amjad, Robert W. Zuhl

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
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A microfilter pressure vessel rack. Normal maximum operating capacity for this 24-module system is 300 gpm. Photo by Brad Buecker.

Membranes

How To Prepare High-Purity Water for the Petrochemical and Biofuels Industries

By Brad Buecker

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

July 2017

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Fishmouth failure due to rapid overheating and lack of water flow to cool the metal. Photo courtesy of ChemTreat.

Boiler Feedwater

The Influence of Inadequate Water Circulation on Boiler Tube Failures

By Robert E. Hargrave, P.E.

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
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A pulp and paper recovery boiler. Photo courtesy of The Babcock & Wilcox Company.

Boiler Feedwater

Here Are Key Aspects of Scale and Corrosion Mechanisms and Control Programs in Industrial Boiler Systems

By Jack Kelly

May 2017

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Figure 10 from article: Zinc electrodes of various treatments in aggressive water conditions.

Cooling Water

How to Simplify Corrosion Control in Cooling Towers

By Eric C. Ward, Emily M. Crane, and Gregory J. Koniges
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Photo courtesy of GE Water and Process Technologies.

Back to basics

What are Keys to Steam Purity Monitoring?

By William Harfst

March 2017

Patents

Latest Patents: Lehigh University's Pressurized forward osmosis system; Pepsico Inc's IX regeneration process using membrane distillation

Compiled by Mike Henley 

February 2017

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Wastewater

Water Sustainability: Turning RO Reject Into A Resource At Biopharmaceutical Facilities

By Edward G. Helmig, Susan E. Gregg, PE, and Patrick J. Cyr, PE BCEE

November 2016

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Chemical Treatment

How pH, Ionic Strength, and Temperature Impact Treatment Inhibitor Efficacy

By Robert J. Ferguson & Michael Standish

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 

September 2016

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Boilers

What Are The Benefits Of Chacterizing Deposits In Boiler Water Wall And High-pressure Evaporator Tubes?

By Scott Reeves

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