Chapter 16
Environmental Engineering and the Technology of Clean Air

Find the correct answer for each question.

1. What means "end-of-pipe"?

   1.   ?    Technologies that remove pollution right at the source, for example cleaning exhaust from chimneys
   2.   ?    Technologies that remove the source of pollution, for example a factory
   3.   ?    Technologies that remove pollution by moving it by means of relocation or transport, a special example is emission rights

2. Whar are wet scrubbers?

   1.   ?    A technology to remove sulphur from fluegases
   2.   ?    A technology to remove carbon dioxide from fluegases
   3.   ?    A technology to remove phosphorous from fluegases

3. The Integrated pollution prevention and control, IPPC is

   1.   ?    an international organisation and internet-portal with a focus on pollution prevention in industry
   2.   ?    rules from the European Commission regarding emissions from industrial installations
   3.   ?    a business management solution to develop the administrative framework of better environmental performance within larger industrial companies

4. What is selective catalytic reduction?

   1.   ?    A filter which use fluoride compounds to reduce carbondioxide from the exhaust in fluegases
   2.   ?    A process in which coal particles are filtered away by leading the preheated fluegases through an electrostatic precipitator
   3.   ?    A cleaning process in which ammonia is mixed with fluegases to reduce nitrogen oxides to nitrogen and water

5. Which technogy below is efficient in removing particles from fluegases?

   1.   ?    wet scrubbers
   2.   ?    fabric filter
   3.   ?    adsorbent injection

6. Which of these technologies reduce emissions from cars?

   1.   ?    catalytic converter
   2.   ?    fuel-balanced combustion, FBC
   3.   ?    PAH-adsorbent injection converter

7. Fuel-cell cars use

   1.   ?    Hydrogen or methane as fuel
   2.   ?    Electricity as fuel
   3.   ?    Natural gas as fuel

8. What is the most common by-product when sulphur is removed from flue gases?

   1.   ?    Gypsum
   2.   ?    Calcium
   3.   ?    Water

9. FGD is an abbreviation for

   1.   ?    Flue gas denitrogenization
   2.   ?    Flue gas desulphurization
   3.   ?    Flue gas decarbondioxidization

10. GIS is an abbreviation for

    1.   ?    Geographic Information System
    2.   ?    Gas injection System
    3.   ?    Gas intergrated Sequencing