Evaluation of Plastic Waste Management in Thailand Using Material ...

6. Environment issues and observations
1. Air pollution: is caused from the decomposition of organic compounds. Dust and
vehicle exhaust emissions at transfer station is a hazard to our lungs. Air pollution
control team might use chemical to control odour. Odour pollution control could be
done for the nearby community. Build a cover or a shelter to hold and prevent the
smell from diffusing into the nearby air. On-nuch has been containing the odour,
which is a good example for Sai Mai to follow.
2. Noise pollution: is caused by the vehicles such as trucks, cranes and bulldozer.
The transfer station should be far away from the community so that they will not be
affected by the pollutants under WHO code of practice. Another solution is to plant
big trees surrounding transfer station. The trees will act as a noise buffer and a
visual buffer.
3. Treatment of leachate:
Rotary screen: The leachate water passes through rotary screen to remove all large
objects such as cans, glass and plastic pieces. The solids are disposed back into the
landfill.
Equalizing tank: The tank holds water and release into secondary treatment at a
uniform flow condition. Dilution is required if the chemicals in the leachate is too
high. The main objective is to control the discharge of waste water.
Figure C-53 Leachate from waste and truck washing is treated from the start
(rotary screen) and ends with (reverse osmosis)
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