METALS Flashcards
O LEVEL CHEMISTRY
what are the social issues of recycling
–> building new mines reduce the land available for human needs such as growing food and building homes.
–> It takes time and effort for the communities and businesses to practice recycling as a way of life. The public needs to be educated about their role.
Economic issues of recycling
–> recycling metals which are neither valuable nor expensive is not worthwhile.
–> recycling metals can be extremely costly as it not only includes extraction of metal from scrap but also transportation cost
environmental issues of recycling
–> smelting of ores causes air pollution
–> to dispose of the wastes from metal extraction huge landfills need to be dug
–> the disposed waste may leach into the soil and water causing land and water pollution
–> enormous amount of waste is generated from the extraction process.