Chemicals
Oct 14 2004
The recent hurricanes have impacted a number of chemical feed and water treatment systems at municipal and industrial treatment facilities throughout…
May 6 2003
Finished water quality often declines in storage facilities.
Low chlorine residuals, elevated chlorination byproduct concentration, high HPC…
Mar 13 2003
Manganese greensand is a specially processed medium for iron, manganese, and hydrogen sulphide removal. This premium non-proprietary filter medium is…
Nov 13 2002
Although video inspection and other techniques certainly are important components of an I&I survey, research has shown that approximately 65% of…
Oct 22 2002
Contrary to the belief of many, desalination is not new to the Americas.
The largest growth in global desalination has taken place in the Arabian…
Dec 3 2001
In the past, testing for arsenic in drinking water has been as difficult as removing it. A variety of test kits have appeared on the market deriving…
Dec 28 2000
Spectrum Laboratories, Inc. received a $200,000 grant from Electrical Power Research Institute and the California Energy Commission. The support will…
Dec 28 2000
Ozone Water Treatment in the Water & Wastewater Industries
Ozone is formed naturally in the atmosphere as a colorless gas having a very pungent…
Dec 28 2000
In the modern world of wastewater treatment, control of odors has moved from an afterthought to a primary design consideration for most collection…
Dec 28 2000
Membrane filtration, widely used in chemical and biotechnology processes, is already established as a valuable means of filtering and cleaning…
Dec 28 2000
Concrete is an excellent building material. Man has been using concrete to build all types of structures for many centuries. It has proven to be very…
Dec 28 2000
The views expressed in this article are solely those of the author and not those of WWD.
From time to time, articles appear in publications which…
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The Water & Wastes Digest staff invites industry professionals to nominate the water and wastewater projects they deem most remarkable and innovative for recognition in the Annual Reference Guide issue. All projects must have been in the design or construction phase over the last 18 months.
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