Unit 3: Atmospheric Pollution - Controls 2
- Created by: rosieevie
- Created on: 06-04-15 22:58
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- Air Pollution Controls 2
- Nitrous Oxides
- Low temperature combustion e.g. fluidised bed combustion makes less NOx
- Catalytic converters - makes N2 and CO2
- Urea (CO(NH2)2) Sprays - urea + NO + O2 makes N2 + CO2 + H2O
- Smoke
- Electrostatic Precipitators - gases passed through chamber w/ electrically charged wires - attract and collect smoke which builds up and falls (fly ash)
- Cyclone Separators - rotate gases and particles are thrown to the side and fall
- Scrubbers - water spray washes suspended solids
- Efficient Combustion - reducing incomplete combustion by increasing oxygen levels
- CFCs
- Alternatives e.g. HFCs, propan-2-ol
- Alternative techniques e.g. pump action sprays, trigger action deodrant
- Correct disposal of waste - fridges should be incinerated, making water and HCl/HF
- Nitrous Oxides
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