6201ENG/7401ENG Air Quality Monitoring And Control Answer

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Weighting 35%

Incineration of refuse in modern high-efficiency combustors is being employed for a growing fraction of waste streams to achieve significant reductions in refuse volume, while, in many instances, also achieving energy recovery in the form of steam or electricity. A travelling grade combustor is employed for the refuse incineration. The main parameters of the exhaust gas:

The Main Parameters Of The Exhaust Gas:

The temperature of exhaust gas stream-                          XXX°C (put any number between 100 and 190)

Flow rate –                                                                               XXXXX m3/h (put any number between 82,000 and 160,000)

Concentration of particles:                                                  X.X g/ m3 (put any number between 0.6 and 1.8)

SOx:                                                                                          0.025 g/ m3

NOx:                                                                                         0.015 g/ m3

Particle Size Distribution:


You are asked to design and construct a suitable air pollution control technology to prevent the emission of particulate pollutants to the atmosphere. The final document must include:

  1. Introduction (description of the main process and air pollution sources).
  2. Literature review (description of relevant various alternative air pollution control technologies, their advantages and disadvantages, and analysis of the possibility of utilization for the particular process).
  3. Main chapter (design and costing of air pollution control technology: calculations, diagrams, sketches, etc). Two devices (for preliminary and final purification) must be designed and their drawings along with the entire technology layout must be presented.
  4. Conclusions and recommendations.
  5. List of references.
  6. Poster (A4 paper size) outlining the main findings, must be attached to the final document.

Local Emission Standards (maximum allowed emissions) :

CO – 0.04 g/ m3; NOx – 0.05 g/ m3; SOx – 0.03 g/ m3; Particles – 0.02 g/ m3; Others – 0.05 g/ m3