Water Conditioning & Purification Magazine

Reverse Osmosis Drinking Water: The Myths and the Facts

By Gary Battenberg and Peter Cartwright, PE Note to WC&P readers: The purpose of this article is to counter a recent blog from India that is critical of POU RO drinking-water treatment. It contains out-dated […]

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Water Treatment Media Review

By Peter S. Cartwright, PE Introduction Many water and wastewater sources contain contaminants that are most effectively and economically removed by various media materials. As with virtually all treatment technologies, suspended solids will degrade the […]

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Particulate Pollution: What’s in Your Ocean?

By Peter S. Cartwright, PE Sources We are constantly exposed to particles in our environment: in the air we breathe, the food we eat and the water we drink. This article addresses the latter. Particles […]

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The Next Drinking Water Contamination Issue? Part 2

By Peter S. Cartwright, PE In Part 1, we presented the case for concern about the presence of PPCPs in our drinking water, particularly in regard to health risks. Part 2 addresses possible activities and […]

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The Next Drinking Water Contamination Issue? Part 1

By Peter S. Cartwright, PE Abstract Every time water goes down the drain, whether to a sewer, septic system, storm drain or wherever, it carries contaminants with it, which usually end up in someone’s drinking […]

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Rainwater Harvesting and Stormwater Collection

By Peter S. Cartwright, PE Rainwater/stormwater Collection and consumption of rainwater has been a common practice of humankind for centuries. To minimize contamination, the normal practice is to collect rainwater from a roof by means […]

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Water Treatment—An Enigma of Its Own, Part 2

By Peter S. Cartwright, PE In Part 1, I addressed the wild claims and nonsensical science behind PWCs designed for scale control. This article is devoted to other water quality improvement claims of these and […]

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Water Treatment — An Enigma of Its Own, Part 1

By Peter S. Cartwright, PE Introduction With over 42 years in the water treatment industry, 36 of those as a Professional Engineer and consultant, I’ve seen a wide variety of treatment technologies that coincide with […]

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A Look at the Present and Into the Future of Potable Water T...

By Peter S. Cartwright, PE Introduction Water. Along with air, it is one of the two most critical components for life. This discussion is focused on water, how it is used, abused and taken for […]

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An Innovative Softener Brine Recovery Technology: A Case Stu...

By Peter S. Cartwright, PE, CWS-VI and Tom Cartwright The world is inexorably moving in the direction of water conservation and reuse. Media coverage of extreme water shortages, disease and chemical contamination events has raised public […]

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