February 2010
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Water & Wastewater E-Zine February 2010 |
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| This Month´s Featured Articles, Papers & Reports |
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Modern treatment methods of strong chelates in surface technology
In the metal finishing industries strongly bonded chelatants have a long tradition. The superior electrochemical properties of chemicals such as EDTA, NTA, cyanide, polyamines and others, have made these compounds invaluable during the production of plastics and metals. However, some of these compounds can seriously inhibit the ability of a wastewater treatment plant to meet the desired discharge limits. If the wastewater contains chelating compounds such as polyamines, traditional precipitation ... |
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Recycler solves waste oil problem, attains EPA compliance
Environmental compliance is a major concern and challenge for the recycling industry. There are few recycling industries that face a stiffer challenge than auto recyclers. Vehicles that once were abandoned have become a valuable commodity. Junkers are now being crushed, shredded and recycled to make new steel. While autos contain a lot of valuable and reusable metal, they also contain substances that can create environmental problems. The Problem: Atlas Auto Crushers in Warren, OH, is a successful ... |
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