Abstract
The Brazilian trash industry has seen major changes since the National Solid Waste Policy was implemented a decade ago. However, in the meantime, the amount of municipal solid waste (MSW) has significantly increased rising from 67 to 79 million tons annually (Mt/year). Furthermore, there is a sizable quantity of MSW that has been dumped in inappropriate places (controlled landfills and dumps) in more than half of the Brazilian municipalities. The country’s most popular final dispoasable method, landfilling, is incompatible with the most appropriate treatment options. Brazil, for example, might reduce energy use while minimizing environmental and public health issues through the use of anaerobic biodigestors. The energy derived from biogas may supply all energy demand in the country’s residential and commercial sector. Brazil, which ranks third in terms of the size of the herd and is the fourth-largest producer of agricultural products worldwide, also produces high amounts of residues from the agricultural sector. When the annual 147TWh of bioenergy produced by the agricultural sector is added to the 26.5TWh produced by the total energy potential is higher than either the combined output of hydroelectric plants at Itaipu, Belo Monte, and Tucuru or all the diesel used in Brazil (47Mtoe). In terms of industrial waste, a national inventory that provides standardized and updated data on its generation across the various states of the federation would allow for a more accurate diagnosis of the management and treatment of this waste in the country.
Published Version
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