08- ME4211

08- ME4211 - Environmental Impact: Raw Material Extraction...

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Unformatted text preview: Environmental Impact: Raw Material Extraction • • • • Extraction of non-renewable resources Pollution (air , water) Land degradation Use of energy from non-renewable resources § § For raw material processing For raw material transportation Mining and metal residues from single jet engine is 100:1 ME4211 Development of Green Products 1 UPK / MECH Environmental Impact: Manufacturing & Distribution • Production of liquid, solid and gaseous waste that can have a detrimental effect on the environment § • • • • Production of hazardous waste Use of non-renewable resources for energy Excessive use of raw materials Use of throw-away packaging Transportation of finished products ME4211 Development of Green Products 2 UPK / MECH Environmental Impact: Use • • • Use of energy (electricity, fossil fuel,…) Consumables Generation of gaseous, liquid and solid pollutants § Eg.: Automobiles, washing machines What are the environmental impacts of a washing machine during its use phase? ME4211 Development of Green Products 3 UPK / MECH Environmental Impact: End-of-life • Toxicity of disposed materials § § • Land filling § § • Lead / Cadmium in electronic wastes Harmful substances in batteries, bathroom cleansers, solvents, pesticides, motor oil, paint thinner, etc. Pollution of water resources Emission of green-house gases Incineration § Emission of toxic gases ME4211 Development of Green Products 4 UPK / MECH ...
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08- ME4211 - Environmental Impact: Raw Material Extraction...

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