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Introduction The name "biodiesel" was introduced in the United States in 1992 by the National SoyDiesel Development Board (now the National Biodiesel Board), which has pioneered the commercialization of biodiesel in the U.S. Chemically, biodiesel is referred to as the mono alkyl esters of long chain fatty acids derived from …

Very often, a broad, general description is used to define biodiesel in a way that is easy to understand by the general public. However, when these broad descriptions are adopted by an authoritative body as a formal definition, they can include a wide range of experimental fuels that are not …

The main benefits of biodiesel are increased energy self-sufficiency for importing countries, increased demand for domestic agricultural products, biodegradability and improved air quality, particularly lower sulphur emissions than from fossil fuels. Exhaust emission improvements include substantial reductions in carbon monoxide, hydrocarbons and particulates, although the production of nitrogen gases is …

Quantas garrafas PET são necessárias para a confecção de uma camiseta? Como funciona o processo de transformação? Quantas garrafas recicladas viram tecido? Uma garrafa que contenha 50 gramas de PET (embalagem de 2 litros, por exemplo) gerará 50 gramas de fibra de poliéster. Em outras palavras, não há perda de …

A pilot scheme that has been introduced in Vienna and Salzburg, in which the yellow bin and the yellow sack are used to collect plastic bottles only, has proved to be a big success. The scheme is also running in lower Austria and is due to be launched parts of …

The rapid growth of the renovation market has helped to increase the exchange of aluminium windows and façades. Industrial and commercial buildings are being adapted to meet the increasing demand for insulation and comfort. The German Aluminium Recycling Initiative A/U/F has set targets of recycling aluminium windows and façades into …

After November 1, China will ban imports of scrap electronic goods such as refrigerators and television sets. Countries like Japan and the United States have traditionally dumped goods like these in China, where they are broken down for parts and re-built. Xinhuanet reports that the practice is about to stop, …

University Park, Pennsylvania. — After a decade of experimentation into creating fuel nuggets out of unrecycled waste plastics and burning them without creating toxic emissions, a team of researchers in Penn State‘‘s College of Agricultural Sciences recently received an $87,395 grant from the state Department of Agriculture to ramp-up their …

A new record for collection was reached in the first half of 2004 – 32.5 kg per head was diverted to household collection containers. The strongest growth was in the provinces of Vorarlberg, Carinthia and Burgenland. There has been an explosion in the collection of waste paper; ten years after …