Article
How Engineered Biology Improves Wastewater Treatment
February 14, 2011
•Article: How Engineered Biology Improves Wastewater Treatment
By Rich Schici, Senior Engineering Manager
Sewers are large biological reactors because they support cell growth, produce biomass, and conserve a material balance. In the collection system, micro organisms act to catalyze the oxidation of biodegradable organics and other contaminants generating by-products such as carbon dioxide, water, and biomass. Bacteria grow and divide producing biosolids (sludge) and clean water. This metabolism occurs in wastewater treatment plants around the world. However, the limits of size, retention time, processing capacity, and operating budgets create economic challenges for every municipality. In an effort to utilize the miles of existing pipe and convert the passive sewer system into a meaningful treatment step, one company has developed a technology and service to utilize the collection system as an active part of the wastewater treatment process.
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