苏州市部分居室空气甲醛污染调查与防治技术探讨

目的通过调查居室空气中甲醛污染水平,分析污染来源,探讨其防治技术。方法随机选择一定数量不同类型的居室,现场检测室内空气中甲醛含量,调查装修情况及使用材料。结果①共检测39套居室,甲醛平均浓度0.088 mg/m3,检测点超标率为33.33%,最高达0.679 mg/m3。②夏秋季超标率较高,分别为46.15%和55.56%,而冬季无超标现象。③主卧室甲醛浓度最高,次卧次之。④甲醛污染程度与装修材料和家具选择存在一定的关系。结论苏州市居民室内空气中甲醛污染比较严重,其污染水平与装修材料、房间通风情况及季节有关。

Investigation on Formaldehyde Pollution in Some Indoor Air in Suzhou City and Its Prevention Technique

Objectives]To investigate the pollution level of formaldehyde in indoor air,so as to analyze the pollution sources and explore the prevention techniques.Methods]Some different types of rooms were selected randomly,the formaldehyde contents in indoor air were detected in field,the decoration and materials were investigated.Results]① Among 39 rooms which were detected,the average concentration of formaldehyde was 0.088 mg/m3,the over standard rate of detection point was 33.33%,and the highest concentration reached 0.679 mg/m3.② The over standard rates were high in summer（46.15%） and autumn（55.56%）,and over standard of formaldehyde was not found in winter.③ The formaldehyde concentration of master bedroom was the highest,followed by subaltern bedroom.④ The pollution degree was related to decoration materials and furniture.Conclusion]The formaldehyde pollution was serious in indoor air in Suzhou city,and the pollution level was related to decoration materials,ventilation and season.