Acervo

Sistema de craqueamento termo catalíotico a baixa temperatura

Nova tecnologia mineira é simples e barata No Brasil,100 milhões de pneus velhos estão espalhados em aterros, terrenos baldios, rios e lagos, segundo estimativa da Associação Nacional da Indústria de Pneumáticos (Anip). E, a cada ano, dezenas de milhões de pneus novos são fabricados no País. Em 2001, foram 45 …

O PVC é um plástico derivado do sal marionho (57%) e do petróleo (43%) e possui numerosas aplicações envolvendo uma série de produtos, tais como embalagens, fios e cabos, mangueiras, perfis de janelas e laminados, calçados, brinquedos, tubos e conexões, etc. O principal mercado é o de tubos e conexões …

A project is underway to demonstrate the environmental and economic benefits to England and Wales of a multi-modal mass balance approach to the transport of waste and recyclable material. The Strategic Vision is of an Integrated National Network of Strategic Resource Recovery Facilities, incorporating: Regional Nodes Environmental Clusters Industrial Ecology …

The Vietnamese News Agency reports that Ho Chi Minh City has approved a master plan for solid waste management in the city. The master plan will help deal with problems involving solid waste management and is designed to call for public participation in environmental protection, said Nguyen Van Chien, deputy …

A new survey shows a big difference in people’s support for the environment while at home – compared to the time they spend at work. 80 per cent of those questioned in a YouGov poll for KPMG said they regularly recycle waste and other items at home. But when they …

Recent field trials undertaken by North American plastics industry association EPIC show that the use of municipal plastic residues as a feedstock in gasification may provide an alternative source of clean energy to help meet the increasing global demand for electricity. Gasification has been in use for more than half …

In the mid to late 1960s, manufacturers of refrigerators and freezers began replacing the glass-fibre insulation used on the walls and doors of their products with polyurethane plastic foam. The move not only provided consumers with a larger interior that offered the same insulation properties (i.e. 80 to 90 mm …

A new project to cut high levels of waste on construction sites and improve health and safety was announced by UK Government Employment Relations Minister Gerry Sutcliffe. Currently, about 15-20% of all material delivered to construction sites ends up in skips, costing industry hundreds of millions of pounds a year. …