Reliable data can be drawn from most pilot plant studies if the ratio between filter column diameter and media diameter (D/d) is 50 or greater. Read more...
Although slow sand filters are effective in treating high-quality raw water, there are several limitations. Read more...
New drinking water regulations for 38 organic and inorganic chemicals were finalized by the US Environmental Protection Agency (USEPA). Known as... Read more...
This article descibes steps taken in the United States to restrict water demand, including the setting up of water conservation offices, committees,... Read more...
Bench- and pilot-scale tests confirmed the effectiveness of the natural polyelectrolytes, chitosan and sodium alginate, in water treatment. Read more...