Curiosidades

Energetic balance in paper incineration and recycling

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

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Recycling glass

Nowadays, there are already many glass manufacturing industries working solely with recovered material. For each 1,000 kg of shattered glass used in the process 1,200 kg of raw material is saved; for each 10% of shattered glass burnt in ovens, 2 to 5 % of energy is saved and gaseous …

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Recycling cars

Car companies such as Mercedes, MBW and FIAT are developing vehicles whose parts and components can be entirely recovered. There is already a plant in Leer, Germany, built with the support of Volkswagen and Bayer, which dedicates exclusively to disassembling and recovering auto parts that are no longer useful. This …

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Aluminum recovery

Aluminum is produced through the electrolysis of alumina, obtained from bauxite ore. Approximately, 4 tons of bauxite are necessary to produce 1 ton of aluminum, which is enough to produce 60 thousand cans of 33cl. Aluminum production demands large amounts of energy: to obtain 1 ton, you need about 16 …

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Recovery and final destination of vehicles in Germany

For the first time in Europe, the problem of recycling and giving a final destination to automotive vehicles is being discussed as a subject of federal legislation. A new law, approved this year by the German parliament fees cars abandoned in the streets, appoints car industries as responsible for the …

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Tire recycling

In Brazil, Goodyear do Brasil, in partnership with the Brazilian Institute of Environment and Natural Renewable Resources (IBAMA) has developed a research about the recovery of used-up tires. Among the methodologies adopted from the American central is the use of tires to fuel cement kilns ovens, which has had very …

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Software for recycling

Migros, a Swiss chain of supermarkets, in partnership with the Swiss Secretariat for Environmental Protection, developed a software that carries out a comparative analysis of various types of containers regarding each phase of its production, utilization and final disposition. This program quantifies and sets grades for each energy unit consumed, …

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Manufacturing shoes with recyclable materials

Northwest Quality Innovations, an American corporation specialized in novelties, manufactured shoes named “DejaShoes-footwear with a past and a future” utilizing old tires for the soles, recovered polypropylene for the upper half and recycled steel for the eyelets. The shoes’ final cost was US$ 59,00 and they were made with Nike …

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Recycling is not always environment protective

Recycling campaigns in some cities in the United States and in Western Europe encourage the population to take their recyclable domestic solid waste (glass, plastic, paper, cardboard paper, metal, etc.) to proper disposable units, usually large and colorful plastic containers installed in public places, to be removed to sorting centers or …

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