Scrap - Benefits of Recycling Scrap Metals

Benefits of Recycling Scrap Metals

According to research conducted by the US Environmental Protection Agency, recycling scrap metals can be quite beneficial to the environment. Using recycled scrap metal in place of virgin iron ore can yield:

  • 75% savings in energy
  • 90% savings in raw materials used
  • 86% reduction in air pollution
  • 40% reduction in water use
  • 76% reduction in water pollution
  • 97% reduction in mining wastes

Every tonne of new steel made from scrap steel saves:

  • 1,115 kg of iron ore
  • 625kg of coal
  • 53kg of limestone

Energy savings from other metals include:

  • Aluminium savings of 95% energy
  • Copper savings of 85% energy
  • Lead savings of 65% energy
  • Zinc savings of 60% energy

The metal recycling industry encompasses a wide range of metals. The more frequently recycled metals are scrap steel, iron (ISS), lead, aluminum, copper, stainless steel and zinc. There are two main categories of metals: ferrous and nonferrous. Metals which contain iron in them are known as Ferrous where metals without iron are nonferrous. (ISRI Common nonferrous metals are copper, brass, aluminum, zinc, magnesium, tin, nickel, and lead. Nonferrous metals also include precious and exotic metals. Precious metals are metals with a high market value in any form, such as gold, silver, and platinum. Exotic metals contain rare elements such as cobalt, mercury, titanium, tungsten, arsenic, beryllium, bismuth, cerium, cadmium, niobium, indium, gallium, germanium, lithium, selenium, tantalum, tellurium, vanadium, and zirconium. Some types of metals are radioactive. These may be “naturally-occurring” or may be formed as by-products of nuclear reactions. Metals that have been exposed to radioactive sources may also become radioactive in settings such as medical environments, research laboratories, or nuclear power plants. OSHA guidelines should be followed when recycling any type of scrap metal to ensure safety.

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