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Monday, 11 June 2012 00:00

Rio de Janeiro’s dumpsite ceased operation!

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Being result of uncontrolled urbanization and environmental negligence, “Jardim Gramacho” dumpsite will end its operation, ending at the same time the extensive pollution that was caused in Rio's once pristine Guanabara Bay.


It is not exaggeration to claim that “Jardim Gramacho” is a mountain of waste, since it occupies an area of 130 hectares with 60m height. It is estimated that at least 60 million tons of waste have been dumped there, and therefore landfill gas generation is expected to be high. For this reason, there will be installed more than 200 wells, which will capture the landfill gas and use it for heating homes and powering cars. In that way, it will be achieved a significant reduction in greenhouse gas emissions, since the emissions from the dumpsite currently account for 20 percent of the region's total carbon dioxide emissions.  As for leakage prevention, the facility has been kitted out a triple-layer seal as well as sensors to detect any abnormality in the soil. Leachate, the liquid produced by the decomposing trash, will be captured, treated and used as recycled water.

However, there is great concern about what will happen to the more than 1,700 people who worked at the site, seeking for metals and other recyclables to the 9,000 tons of waste that were dumped on site daily. The “catadores”, as scavengers are known in Portuguese, will receive a $7,500 compensation from the city, but there's no place for them at the high-tech landfill of Seropedica, where most of the city's waste is already being sent.

Operation of Seropedica’s landfill ensures that the closure of “Jardim Gramacho” will not have the same results with the closure of Mexico City’s “Bordo Pontiente” landfill, which led to the immediate appearance of thousands of illegal dumpsites throughout the city.

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Read 11381 times Last modified on Saturday, 14 July 2012 10:43
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