The practice of metal recycling is extremely earth friendly. Since you can reuse the metal, you won't have to extract more metal from the earth. 2. Fewer resources will be used for creating products from the scrap metal because it is already refined and processed.
Recycling metals is a more economically and environmentally viable way to obtain and use metals as it uses less energy than metal production. In addition, metal can withstand continual recycling without losing quality, making it a popular area for companies to survey when conducting an environmental waste audit.
Recycling metal is vastly cheaper than mining ore and smelting it into useable metals as the mining and smelting has already been done the metal is simply melted down and reshaped. Due to the process being much shorter, less money is used.
The advantages of recycling compared to producing metals from metal ore include: more economic - less energy is needed to produce a metal. less damage to the environment - fewer quarries and mines, less noise and less heavy traffic. saves valuable raw materials - reserves of metal ores will last longer.
Recycling also conserves resources and protects the environment. Environmental benefits include reducing the amount of waste sent to landfills and combustion facilities; conserving natural resources, such as timber, water and minerals; and preventing pollution by reducing the need to collect new raw materials.
By reducing air and water pollution and saving energy, recycling offers an important environmental benefit: it reduces emissions of greenhouse gases, such as carbon dioxide, methane, nitrous oxide and chlorofluorocarbons, that contribute to global climate change.
Recycling aluminium uses 95% less energy than producing aluminium from raw materials. It also saves 97% of green house gas emissions produced in the primary production process. Recycling 1 tonne of aluminium saves 9 tonnes of CO2 emissions and 4 tonnes of bauxite – the raw material from which aluminium is made.
The mining of iron ore is highly energy intensive and causes air pollution in the form of nitrous oxide, carbon dioxide, carbon monoxide, and sulfur dioxide from diesel generators, trucks and other equipment. The mining of iron ore also causes water pollution of heavy metals and acid that drains from the mines.
Disadvantages of Metal Extracting: 1. The major disadvantage is that it harms the environment. It causes soil, air, water, and noise pollution, which will harm the community.
Increasing human population growth. With the extraction of resources and with industrialization, energy, food, water, and medical care became more available and reliable, allowing the global human population to increase, which has dramatic impacts on global climate and ecosystems. Climate change.
The recycling process for copper is said to use just 10-15% of the energy required to mine and extract new copper at source. In essence, it is better to recycle copper in order to conserve the world's supply of fossil fuels.
Reusing is better than recycling because it saves the energy that comes with having to dismantle and re-manufacture products. It also significantly reduces waste and pollution because it reduces the need for raw materials, saving both forests and water supplies.
Mine exploration, construction, operation, and maintenance may result in land-use change, and may have associated negative impacts on environments, including deforestation, erosion, contamination and alteration of soil profiles, contamination of local streams and wetlands, and an increase in noise level, dust and ...
Reason for Iron extraction not by electrolysis : Because iron is a fairly active element, its oxides can be reduced by carbon rather than electrolysis.
The process of extracting aluminum from its ore produces a variety of toxic chemicals, including fluoride, cyanide, and sulfuric acid. These chemicals can pollute rivers, lakes, and groundwater, and can be harmful to aquatic life.
Aluminium is strong and highly malleable, as well as being is one of the most plentiful resources on this planet. This makes it very commercially viable. It is also highly sustainable, environmentally friendly and almost endlessly recyclable.
The main disadvantage is that it requires large amounts of electricity to extract metals from their ores. As a result, the costs of electricity can be very high, making the process expensive. Another issue is that the ores need to be in a molten form to conduct electricity for electrolysis.