PLP407 Lecture19
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- How are PANs (peroxyacetal nitrates) chemically formed?
- rxn between O3, NO2, Hydrocarbons, and sunlight
- List some air pollutants and their sources.
- SOx- cars and industry Ethylene- Uncomplete combustion in green househeaters and cars NOx- cars and fuel combustion. PANs- reaction with O3, NO2, Hydrocarbons, and sunlight O3- Cara
- What is the common source of plant injury from pollution in the polyhouse?
- Ethylene produced by incomplete combustion from cars parked near the intake vent
- What is the common source of air pollution damage on plants in the greenhouse?
- Incomplete combustion from greenhouse heaters.
- List air pollutants that affect plants other than PANs
- Sulfur dioxide, HF, Hcl, Cl2
- What are symptoms produced on plants by the following pollutants?
- So2- browning of leaves on maples and burning of pine tips HF- twisting of leaves HCl, Cl2- nercrosis on tips PAN- bronzing on leaves Ozone- stippling, mottling, chlorosis of upper leaves. Particulate- blocks light for photosynthesis and stunts growth.
- What chemical pollutant has laid waste to acres of canadian forest? and is it visable from far away?
- Yes and its SO2 from iron smelters