家用汽车内甲醛和苯系物污染状况及影响因素分析

Analysis of pollution of formaldehyde and benzene in air of family car and influence factors in Jinan

目的了解家用汽车内甲醛和苯系物污染状况及影响因素,为科学控制家用汽车空气甲醛和苯系物污染提供依据。方法 2013年1-10月对济南市113辆家用汽车内空气进行甲醛和苯系物浓度检测。结果 113辆家用汽车甲醛和苯系物全部合格的为72辆,合格率为63.7%。有41辆轿家用汽车甲醛浓度超标,合格率为63.7%;甲醛浓度随着家用汽车内装饰物减少、车龄增加、汽车内温度降低、汽车密闭时间减少而减少。结论家用汽车内甲醛和苯系物污染问题不容忽视,只有采取综合措施,才能有效的降低家用汽车内甲醛和苯系物浓度,减少对人体的危害。

Objective To understand the pollution and influence of the formaldehyde and benzene in the air of family car in Jinan. Methods The contents of the formaldehyde and benzene in the air of 113 family cars was tested. Results Seventy- two cars were fully qualified, accounted for 63.7% .The content of formaldehyde in forty-one cars has exceeded permissible criterion, accounted for 63.7%; the content of formaldehyde decreased with decreasing of interior decoration, automobile age, the temperature and the closing time of the ear. Conclusion The pollution of formaldehyde and benzene in air of family cars should not be neglected, and only take comprehensive measures, can effectively reduce the content of formaldehyde and benzene in cars, reduce health risk.