Chemicals

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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…
Manganese greensand is a specially processed medium for iron, manganese, and hydrogen sulphide removal
Manganese greensand is a specially processed medium for iron, manganese, and hydrogen sulphide removal.
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…
Test strip technology advances make difficult arsenic detection a thing of the past, and is a primary solution for how to test arsenic in water.
Test strip technology advances make difficult arsenic detection a thing of the past, and is a primary solution for how to test arsenic in water.
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…
Ozone water treatment is effective for treating municipal and industrial wastewater, enabling the end user to meet EPA pre-treatment standards. 
 Ozone is an effective disinfectant for treating municipal and industrial wastewater, enabling the end user to meet EPA pre-treatment standards. .
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…
Wastewater odor control has become a primary design consideration rather than an afterthought for wastewater treatment facilities.
Wastewater odor control has become a primary design consideration rather than an afterthought for wastewater treatment facilities.
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…
A look at magnetic water conditioners from a manufacturer's point of view.
A look at the magnetic water conditioning industry from a manufacturer's point of view.
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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