Trabalhos Técnicos

In the past decade, strong economic growth and uncontrolled urbanization have greatly magnified the problems with Vietnam’s solid waste management system, pushing waste management to the forefront of environmental challenges with which it must contend. Not only has there been an increase in the amounts of waste generated, the composition …

According to the State of Garbage, in 2006, forty-six of the fifty states reported tonnage data for “recycled” (composted or mulched) organics, including yard trimmings and food residuals, and/or wood (non-C&D). The total tonnage of organics composted or mulched was 20,368,139 tons in 2006 [1]. This amount represented 5% of …

The statistical entropy (SE) function has been applied to waste treatment systems to account for dilution or concentration effects on metals. We later extended it to account for carbon flows, especially in waste management systems involving thermal treatment. Now, a simple lifecycle “net energy” metric – encompassing the “lost energy” …

Methane gas is a by-product of landfilling municipal solid wastes (MSW). Most of the global MSW is dumped in non-regulated landfills and the generated methane is emitted to the atmosphere. Some of the modern regulated landfills attempt to capture and utilize landfill biogas, a renewable energy source, to generate electricity …

In the past decade, strong economic growth and uncontrolled urbanization have greatly magnified the problems with Vietnam’s solid waste management system, pushing waste management to the forefront of environmental challenges with which it must contend. Not only has there been an increase in the amounts of waste generated, the composition …