1 / 28

Air Quality & Pollution Control

Air Quality & Pollution Control. Chapters 12 and 13. Good vs. Poor Air Quality. Poor Air Quality?. Poor Air Quality?. Particulate Matter. Acid Precipitation/Deposition. Smog. Antarctica Ozone Concentrations. Model of Global Heat. Outgoing longwave radiation 235 W m -2. 235.

ruby
Download Presentation

Air Quality & Pollution Control

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Air Quality & Pollution Control Chapters 12 and 13

  2. Good vs. Poor Air Quality

  3. Poor Air Quality?

  4. Poor Air Quality?

  5. Particulate Matter

  6. Acid Precipitation/Deposition

  7. Smog

  8. Antarctica Ozone Concentrations

  9. Model of Global Heat Outgoing longwave radiation 235 W m-2 235 Reflected solar radiation 107 W m-2 107 342 Incoming solar radiation 342 W m-2 Reflected by clouds, aerosols, and atmosphere 77 W m-2 40 77 Emitted by atmosphere 30 30 Atmospheric Window Absorbed by atmosphere 165 67 168 350 24 78 Reflected by surface 40 324 350 30 168 Back radiation Surface radiation 390 Thermals 24 Evapo-transpirtation 78 Absorbed by surface 168

  10. Indoor Air Pollution

  11. Activity A family member is considering buying an ozone generator to improve indoor air quality. Is this purchase a good idea?

  12. PM 2.5 Nonattainment 2008 2009

  13. Outlet Cyclones Air flows in a funnel-shaped stream Outlet Inlet Inlet Dust

  14. Outlet Cyclones Air flows in a funnel-shaped stream Outlet Inlet Inlet Dust

  15. Outlet Cyclones Air flows in a funnel-shaped stream Outlet Inlet Inlet Dust

  16. Outlet Cyclones Air flows in a funnel-shaped stream Outlet Inlet Inlet Dust

  17. Outlet Cyclones Air flows in a funnel-shaped stream Outlet Inlet Inlet Dust

  18. Outlet Cyclones Air flows in a funnel-shaped stream Outlet Inlet Inlet Dust

  19. Outlet Cyclones Air flows in a funnel-shaped stream Outlet Inlet Inlet Dust

  20. Cyclone

  21. Baghouses

  22. Electrostatic Precipitator Negatively charged wires Positively charged plates

  23. Scrubber

  24. Activity Vehicles were the largest air pollution source in Illinois in 2003 – 2004 according to the IEPA. How can the profession of civil engineering reduce the impact of vehicles on air quality?

  25. Material Balance Approach to Calculations (Section 4.1) Accumulation = Input – Output + Generation – Consumption Common assumptions: • Steady state • Clean air brought in • Complete mix conditions

More Related