板式家具甲醛浓度散发实测
Experimental study on formaldehyde emission characteristics of panel furniture
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摘要: 为了研究室内甲醛浓度散发规律，对天津某住宅小区房间进行为期40 d甲醛浓度现场测试，测试区域为餐桌、电视柜、沙发以及房间几何中心区域.实测发现甲醛浓度由最高值0.46 mg·m-3开始降低后进入以0.19 mg·m-3平稳散发阶段，31 d后接近于直线状态，是处理甲醛污染的最佳时机.并且发现在沙发区域甲醛浓度值最高，达到0.33 mg·m-3，在房间几何中心甲醛浓度值最低为0.01 mg·m-3，在封闭条件下散发1个月后，甲醛浓度4个区域均不能达到室内空气质量标准要求，超标倍数达到了1—4倍，沙发区域比其他3个区域甲醛浓度都高出3倍左右.Abstract: In order to study the distribution of indoor formaldehyde concentration, formaldehyde concentration field test was made in a residential house in Tianjin for a period of 40 days,and the test area incluoled dining table, TV cabinet, sofa and room geometry center.It was found that the formaldehyde concentration decreased from 0.46 mg·m-3 to 0.19 mg·m-3and stablized after 31 d. This is the best time to deal with the pollution of formaldehyde.The highest concentration of formaldehyde was found in the sofa area, reaching 0.33 mg·m-3, and the lowest concentration of formaldehyde was in the room geometry center (0.01 mg·m-3).After one month closure formaldehyde concentration did not meet the indoor air quality standard, exceeding the standard by 1—4 times. Formaldehyde concentration in the sofa area were about 3 times higher than the other three areas.
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Key words:
- formaldehyde /
- panel furniture /
- concentration emission /
- experimental study.
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