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Manufacturing sound absorber based on combined recycling of polyethylene trephetalat and polystyrene at low and median frequencies
plastic recycling polyetylen trephetalat (PET) polyetylen (PE) combined recycling low frequency sound absorber
2009/12/15
Background and aim: Noise pollution is one of the main cause of occupational hearing loss. According to WHO reports in many countries workers have been exposed to 85 - 90 dB noise level. The purpose o...
AIR POLLUTION CONTROL THROUGH KILN RECYCLING BY-PASS DUST IN A CEMENT FACTORY
Cement by pass dust kiln volume expansion
2010/4/7
Air pollution is a major problem in the industrial areas. Cement dust is one of the important environmental pollutants. In this study the possibility of dust recycling especially kiln dust which has s...
GASTROINTESTINAL SYMPTOMS AMONG WASTE RECYCLING WORKERS
occupational epidemiology occupational exposure gastrointestinal symptoms
2010/12/27
It is expected that exposure to airborne microorganisms among waste recycling workers depends on type of plant (composting, biogas-producing, and sorting plant).