Introduction
Metals has played crucial role in the development and improvement of modern and historical society. Metal resources are derived from the earth’s crust or from recycling of the metal discarded after their use in the economy. When the used metals are not efficiently recovered from the economy, people will increase their use of the primary resources and therefore affecting the nature by increasing various metals dispersions in the ecosystem (environmental pollution). Industrial society values the use of metals such as aluminium, because of their useful properties such as strength, (Wernick and N.J. Themelis, 1998). Among the earth’s Continue reading...