Feature Article

Many municipal water treatment plants utilize Ozone Treatment Systems to produce clean water for residential and industrial users. While all the various types of water treatment systems have their advantages and disadvantages. Ozone systems provide excellent disinfection and avoid some of the chemical byproduct problems experienced with the use of chlorination. Ozone treatment systems also produce no odors or after-taste, which makes the finished water more palatable.

Most water analysts are using DPD kits and colorimeters to measure free chlorine residual, but there is a better way.

The Thai International textile manufacturing plant in Perunurai, discharges significant volume of wastewater each day. The pH level must be controlled to meet requirements for safe discharge. This modern textile dye facility processes cotton fabric using color dye stuffs and proprietary chemicals.

The ammonium mix process is sustainable because it converts municipal solids into a product that fertilizes crops.

The meat processing industry is entering uncharted waters as governments worldwide introduce carbon pricing regimes and expand community awareness about which industries are posing environmental challenges in terms of air and water purity. Meat processing - including cattle, sheep, pig and poultry plants will attract attention as we move further into the current decade, both in terms of its energy use to produce steam and hot water, for example, and for quality of its wastewater and its emissions to air.

Geochemical assessment for groundwater quality was carried in 15 stations along Bay of Bengal of Vizianagaram district, Andhra Pradesh. Statistical and geochemical interpretations of major ions revealed geological and chemical factors with mechanisms controlling quality and quantity of groundwater.