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《Journal of Harbin Institute of Technology》 2004-04
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Indoor air pollution and it's control strategies

WANG Kun~1, LI Wen-pu~1, OUYANG Hong~1, JIANG An-xi~1, ZHAO Hong-feng~2, LI Yu-hua~1(1. School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China, 2. Harbin Shikang Environmental Technique Corporation, Harbin 150060, China)  
A survey was conducted to investigate the indoor air pollution after room decoration within 7 districts in Harbin and such pollutants as formaldehyde, ammonia and benzene series were sampled and analyzed for over 100 houses. Of all the samples collected, 85.2% of formaldehyde, 53.1% of ammonia and 50.7% of benzene exceeded the standard criterion. Pertinent to the regional status in Harbin, a study was carried out to investigate into the effect of ventilation, photocatalysis and ozonization on the reduction of indoor formaldehyde and ammonia. Experimental results showed that extended ventilation had better reduction of formaldehyde than ammonia, obvious pollutants reduction might be achieved within 30 min of photocatalysis although fluctuated for ammonia, and no obvious reduction of formaldehyde and ammonia were observed in the case of ozonization.
【CateGory Index】: X51
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