Acervo

“In 1997, Brazil recycled a record 64 per cent of aluminium cans, ahead of wealthier countries such as France, UK and Australia. Brazilian non-profit recycling association Cempre reports that 61.700 tons of aluminium (4,1 billions cans) were collected in 1997, a growth of 50 per cent in a single year …

El informe, producto de una Consultoría de la CEPAL dentro del proyecto “Políticas para la gestión ambientalmente adecuadas de los desechos”, ofrece información sobre la situación del manejo de los desechos sólidos en Costa Rica. De igual forma, presenta los resultados de una evaluación técnico-económica para el reciclaje de empaques, …

Se ofrecen soluciones promovidas por organizaciones de cooperación técnica como GTZ, para la gestión adecuada de los residuos urbanos, que permiten reducir los riesgos de la salud, generar empleo y proteger el ambiente. Presenta el funcionamento y organización de microempresas privadas formadas por vencinos de las comunidades, para el manejo …

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Some American cities have been using recovered glass to pave their streets: it’s the so-called “glasphalt”, which substitutes the aggregate with glass fragments. It is estimated that the City of New Jersey, which generates 50.000 tons of mixed glass per year, can use a maximum of 150.000 tons in that process, …

According to the Department of Energy, paper incineration produces 8.000 Btu/pound while recycling recovers only 2.000 Btu/pound. That means that in order to obtain a balance between the two methods, the paper would have to be recovered as pulp for four times at least, compromising the quality of the fibers

To give an idea of the amount of nondurable products consumed in the US and consequently of the potential for solid waste recovery, we shall quote some bits of information from Tom Heyman’s “In an Average Lifetime”: “During his life, the average American will consume 20.301 bottles of beer, 460 …

A widely explored myth is that waste paper recycling saves forests and preserves natural resources. On the contrary, cellulose is always obtained from cultivated trees, a renewable resource. And the energy consumed in recycling paper is in some cases many times greater than the energy used in its fabrication from …

In Illinois, USA, a scientist intends to feed cattle with recycled newspaper. He believes it can be transformed into forage that would satisfy over 30% of cattle nourishment needs. A large-sized animal, according to the centrist, could eat up to 4,5 kg of paper daily

São Paulo: In some years, solid waste might no longer have the same destination of the wastes produced by the food industry and agriculture. The waste, rich in proteins, might be transformed into solution for medical and nourishing purposes. This is what thinks Professor Raquel Camargo Giordano from Universidade Federal …