Archive


Table Tiles

November 2017

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RO system. Photo courtesy of Nalco Water

Back to Basics

Part 1: Keys to Understanding the Fundamentals of RO Systems

By Jane Kucera
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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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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

Part 1: Keys to understanding the fundamentals of RO systems

By Jane Kucera

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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Vacuum filtration of a product during the synthesis of 2-AI. Photo by Ariel J. Atkinson, PhD.

Research

Can Incorporating Novel Anti-Biofilm Molecules into NF/RO Membranes Aid Biofouling Control?

By Ariel Atkinson, PhD; Jingbo Wang, Zhenfa Zhang, PhD; Orlando Coronell, PhD; Angela Pollard, PhD; David Jung, PhD; Avram Gold, PhD

June 2017

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A close-up view of an ultrafiltration membrane that could be found in a pharmaceutical plant.

Pharmaceuticals

Practical Examples of UF Use in Compendial Water Systems

By William V. Collentro

May 2017

News

News: Evoqua buys Noble
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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

April 2017

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Membranes

What Are Useful Membrane Technology Applications for Power Plant Water Treatment and Reuse

By Joseph Wong, PE, BCEE
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Technology Advances

New Techniques for Real-Time Monitoring of RO Membrane Integrity for Virus Removal

By Val S.Frenkel, PhD, Yoram Cohen, PhD, Anditya Rahardianto, PhD and Sirikarn Surawanvijit, PhD

March 2017

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Reuse

How High-temperature RO Can Assist Industrial Wastewater Recycling And Energy Conservation

By By Rich Franks, PE, Joshua de la Cruz, Craig Bartels, PhD and Gerard Van Gils, PhD
Ro trains at the 56780 md barka iwpp expansion oman. photo credit osmoflo
RO trains at the 56,780 m³/d Barka IWPP expansion, Oman. Photo credit: Osmoflo

Back to basics

How Reverse Osmosis Works

By David Paul

News

Axine gets $1 million Canadian government investment; SageGuard enters into licensing pact with NASA; Evoqua’s launches on-line CEDI predictive software tool; Delta offers anti-microbial cooling tower and more...

By Mike Henley

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