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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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HVAC cooling tower at Denver International Airport.

Cooling Water

Do Current Antimicrobial Programs for Cooling Systems Control Legionella?

By Paul Puckorious

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SEMI News

Water Consulting buys E.N. Design; Water Planet names Helquera Tecnologias as Mexican distributor

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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

LinkedIn Discussion

Which Is better for Cooling Tower Use: Schedule 80 or Schedule 40 Piping?

Compiled by Mike Henley and James McDonald

Events

Ultrapure Events Calendar

Editorial

The WaterSide - Panning for Gold among New Water Treatment Patents

By Mike Henley

News

News: Evoqua buys Noble

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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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A zero-liquid discharge plant. Photo courtesy of Aquatech International.

Wastewater

Reducing High-Recovery RO, ZLD Costs

By Dr. Michael Mickley

Patents

Patent Summary: Ecolab's treatment and reuse of boiler waste streams

Compiled by Mike Henley 

SEMI Billings Report

North American semiconductor equipment billings grow 2.6%; Worldwide semiconductor sales up slightly in March

By Mike Henley

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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

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Cooling Water

Keeping Your Stator Cool

By David G. Daniels

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News

Entegris buys 3 microelectronics filtration lines from W.L. Gore; Water Planet named Breakthrough Water Technology Company of the Year at Global Water Summit; Pure Technologies, Xylem plan to collaborate in emerging markets and more...

By Mike Henley

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Photo courtesy of Evoqua Water Technologies LLC. VANOX is a trademark of Evoqua its subsidiaries and affiliates in some countries.

Microelectronics

Can Advanced Oxidation Technology Help Control TOC In Semiconductor Water?

By Glen Sundstrom, Bruce Coulter, Chris Hall & Alan Knapp

Water Stocks

Water Stocks: April 2017

Compiled by the UPW Team

World semiconductor sales jan 2017

Microelectronics

Semiconductor News: SEMI reports 2016 worldwide semiconductor equipment sales reached $41.2 billion; Equipment makers post almost $2 billion in February billings