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 […]
The Art of the Recycle, Part 3: How It’s Done (If It’s D...
By C.F. ‘Chubb’ Michaud, MWS In Parts 1 and 2 of this series, we looked at improving water productivity primarily through the use of reclaimed wastewater and treating it to substitute for new water as […]
The Art of the Recycle, Part 1: The Challenge of the ‘Yuck...
By C.F. ‘Chubb’ Michaud, MWS Mother Nature should receive the Nobel Prize in chemistry for developing the most effective and efficient water reclamation and recycling process on the planet. She does this with no emissions […]
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 […]
California Drought Prompts Innovative Water Reuse for Highwa...
By John Meland Background The San Diego Freeway (I-405) in southern California is one of the most congested freeways in Los Angeles County, carrying more than 300,000 vehicle trips daily on some sections. The area […]
Hard to Lather, Easy to Fix
By Greg Reyneke, CWS-VI Hard water is called hard for a number of reasons. Some say it’s because it is full of hard, rock-like inorganic mineral compounds like calcium carbonate. Others call it hard because […]
Ion Exchange Reactions: A Review
By C.F. ‘Chubb’ Michaud, CWS-VI Ion exchange is versatile When you think about water treatment processes that can remove the dissolved salts from feed streams, there are many options. Ion exchange, reverse osmosis, distillation or […]