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Lecture # 1

Lecture # 1. Ch.E-406 Environmental Engineering. Chemical Engineering Department UET Lahore. Course Description.

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Lecture # 1

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  1. Lecture # 1 Ch.E-406 Environmental Engineering Chemical Engineering Department UET Lahore www.engineering-resource.com

  2. Course Description • Introduction to ecology of environment; Impact of technology on ecology of system; The effects of industrial pollutants on human environments; Environmental impact assessment & sustainable development; Air pollution and its control; Water pollution and its control; Industrial waste water and its control; Industrial noise pollution and its control; Future requirements of process industries and developments under the constraints of diminishing world resources and ecological demands of human environment. www.engineering-resource.com

  3. Objective • The environment encompasses the whole of life on earth and the complex interactions that link the living world with the physical world. In a general sense, this covers everything contained within the air, land and water. Sudden and dramatic natural changes to the environment have occurred, and continue to occur, which have the potential to upset the whole balance of the Earth's ecosystem. www.engineering-resource.com

  4. To increase individual’s awareness level by providing information that will encourage to change the behavior and decrease the chance for an unpleasant event.  • Reduce injuries and illnesses and in maintaining a safe working environment. Objective www.engineering-resource.com

  5. Provide us with a structured system for identifying hazards, assessing risks associated with those hazards, putting in place measures to control the unacceptable risks and to review the control measures to ensure they are effective and have not introduced new hazards. Objective www.engineering-resource.com

  6. What is Environment? • The environment encompasses the whole of life on earth and the complex interactions that link the living world with the physical world www.engineering-resource.com

  7. Environmental Engineering • Environmental engineering is the application of science and engineering principles to improve the environment (air, water, and/or land resources), to provide healthy water, air, and land for human habitation and for other organisms, and to remediate polluted sites. www.engineering-resource.com

  8. Science & Engineering • Science…improve our understanding of natural processes • Engineering…use this understanding to develop and apply technologies that will maintain or improve environmental quality www.engineering-resource.com

  9. What is Ecosystem? • POPULATION • A population is one species living in a specific area. • For example, all foxes living in an area form a population. www.engineering-resource.com

  10. COMMUNITY • A community is formed from all living populations found in an area. • All the foxes, dandelions, grasshoppers, snakes, hawks, deer, and skunks living in one area each form their individual populations, but together make up a community www.engineering-resource.com

  11. ECOSYSTEM • An ecosystem is formed by the interactions between all living and non-living things www.engineering-resource.com

  12. What is Ecology? • Ecology is how living and non-living things affect each other in their environment. www.engineering-resource.com

  13. Non-living parts of your community • Buildings • Roads • Bodies of water • Automobiles • Traffic lights www.engineering-resource.com

  14. Pollution • The introduction of substances or energy into the environment, by people, liable to cause harm to living creatures or ecological systems. www.engineering-resource.com

  15. How did pollution begin? • More sophisticated lifestyles. • Growing needs of people. • Accelerated rates of human and economic activities. www.engineering-resource.com

  16. Contd… • Waste becomes pollution if the level discharged exceeds the capacity of the environment to absorb it without adverse effect. www.engineering-resource.com

  17. The types of pollution that we are going to look at: • Air Pollution • Water Pollution • Land Pollution • Noise pollution • Thermal pollution • Radiation pollution www.engineering-resource.com

  18. Air Pollution • Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or cause damage to the natural environment or built environment, into the atmosphere www.engineering-resource.com

  19. Water Pollution • Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). www.engineering-resource.com

  20. Land Pollution • Land pollution is the degradation of Earth's land surfaces often caused by human activities and their misuse of land resources. www.engineering-resource.com

  21. Noise Pollution • Noise pollution is excessive, displeasing human, animal or machine-created environmental noise that disrupts the activity or balance of human or animal life. www.engineering-resource.com

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