seb323 week 10a OH & S

seb323 week 10a OH & S - SEB323 Managing Industrial...

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1 SEB323 Managing Industrial Organisations Week 10a Lecture 2 nd Semester 2007 School of Engineering and Information Technology Faculty of Science and Technology Waurn Ponds Campus Module 3: Manufacturing and the Environment Topic 4: Pollution Control Technologies Topic 5: Global Environmental Issues
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2 Air Pollution Control Methods 1. Change the process ± Reduce or eliminate the generation of pollutants 2. Disperse the emissions ± Reduce the concentration of pollutants to acceptable levels 3. Remove the pollutants before emission ± Remove pollutants from generated emissions Air Pollution Control Methods 1. Change the process ± Reduce or eliminate the generation of pollutants Advantages Less pollution generated May reduce or eliminate need for further reduction methods – Such as Dispersion and/or Removal – So may result in overall cost and/or complexity savings Disadvantages May not be technically feasible (too difficult or not impractical) May not be economically viable (too expensive)
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3 Air Pollution Control Methods 1. Change the process ± Example: Emission Reduction in the Cement Industry The Problem: cement production generates significant amounts of CO2 ± Calcination of limestone (50%) ± Fuel used to heat the furnaces to 2000 deg-C (40%) ± Electricity use (10%) Air Pollution Control Methods 1. Change the process ± Example: Emission Reduction in the Cement Industry The Solution to reduce CO2 emissions ± Increase the energy efficiency of the production process ± Increase the production process efficiency ± Use more low-carbon fuels instead of high-carbon fuels ± Alter the product Also generates cost savings by improved formulation
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4 Air Pollution Control Methods 1. Change the process
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seb323 week 10a OH & S - SEB323 Managing Industrial...

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