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A proposal of the prediction model of indoor air contamination concentration on the basis of chemical substances emission rate from building materials

基于建筑材料化学物质排放率的室内空气污染浓度预测模型的提出

基本信息

批准号：
15206066
负责人：
KOMINE Hiromi
金额：
$ 17.97万
依托单位：
Chiba Institute of Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (A)
财政年份：
2003
资助国家：
日本
起止时间：
2003 至 2005
项目状态：
已结题

项目摘要

In order to keep the indoor air quality in acceptable levels, it is important to predict the concentrations of chemical substances in newly-constructed houses, to estimate the emission rate decay of chemical substances from building materials, and to predict the curing period. This study aims to establish the prediction method of VOCs concentration in indoor air environment on the basis of the VOCs emission rates from building materials, measured by the test chamber method under several different ambient conditions related with actual living environments in just finished houses.The results are summarized as follows ;1)A model test was conducted on a simple HCHO emission material under the condition in which air change rate, loading factor, temperature, and relative humidity simulates the actual environment, and the HCHO concentration prediction model based on the HCHO emission rates prediction model by the small chamber method was verified.2)Temperature, relative humidity, and N/L were … More systematically changed under the condition in which several different wood-based panels coexist, and the HCHO concentration prediction model based on the HCHO emission rates prediction model of a simple material was verified.3)The long-term semi-outdoor exposure test on formaldehyde concentration in test chamber in which several different wood-based panels were placed, is clarified that this model is possible to estimate the concentration decay under temperature and relative humidity fluctuations. The curing period to satisfy the indoor air quality in acceptable levels can be predicted according to these models and the emission coefficients calculated from measured emission rate.4)The influence of the environmental factors on the toluene emission rate from the paint is investigated. The temperature has small influence on the toluene emission behavior during the emission process under internal diffusion control although the temperature has a great influence on the toluene emission behavior during emission process under the evaporation control. The decrement of toluene emission rate is modeled as a double exponential formula and a simplified estimation method is presented.5)The emission characteristics of formaldehyde and toluene were verified under the condition that both the formaldehyde emission from building materials and the toluene emission from the paint were occurred in the same test chamber. The result showed that the toluene emission characteristics were not influenced by the coexistence of two materials, although the formaldehyde emission characteristics fluctuated for about five days due to the absorption and the re-emission on the paint film. The measurement of indoor formaldehyde concentration immediately after the completion involve the danger of misjudging the concentration because the paint coats will not dry fully and those will be possible to absorb formaldehyde. Less

为了将室内空气质量保持在可接受的水平，预测新建房屋中化学物质的浓度、估算建筑材料中化学物质的排放速率衰减以及预测固化期非常重要。本研究旨在根据刚竣工住宅实际居住环境的几种不同环境条件下，通过试验室法测量建筑材料的VOCs排放率，建立室内空气环境中VOCs浓度的预测方法。结果总结如下：1）在换气率、负荷系数、温度和相对湿度模拟实际环境的条件下，对简单的HCHO排放材料进行了模型试验，并计算了HCHO排放量。验证了基于小室法的HCHO排放率预测模型的浓度预测模型。2）在几种不同人造板共存的条件下系统地改变温度、相对湿度和N/L，验证了基于简单材料的HCHO排放率预测模型的HCHO浓度预测模型。3）在多个不同人造板共存的试验室中对甲醛浓度进行长期半室外暴露测试。放置了不同的人造板，表明该模型可以估计温度和相对湿度波动下的浓度衰减。根据这些模型和根据实测排放率计算出的排放系数，可以预测满足室内空气质量在可接受水平的固化时间。4)研究了环境因素对涂料甲苯排放率的影响。温度对内部扩散控制下的排放过程中的甲苯排放行为影响较小，而温度对蒸发控制下的排放过程中的甲苯排放行为影响较大。将甲苯释放速率的衰减量建模为双指数公式，并提出了简化的估算方法。5)在同一试验室同时发生建筑材料甲醛释放量和涂料甲苯释放量的情况下，验证了甲醛和甲苯的释放特性。结果表明，尽管甲醛释放特性由于漆膜上的吸收和再释放而波动了约五天，但甲苯释放特性并未受到两种材料共存的影响。竣工后立即测量室内甲醛浓度，存在误判浓度的危险，因为油漆层未完全干燥，有可能吸收甲醛。较少的

项目成果

期刊论文数量（78）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

チャンバー法を用いたVOC気中濃度予測手法に関する研究その2 ノントルエン塗料におけるTVOC気中濃度予測式の検証

箱式法VOC空气浓度预测方法研究第2部分非甲苯涂料TVOC空气浓度预测公式验证

DOI：
发表时间：
2005
期刊：
空気調和・衛星工学会学術講演論文集 II
影响因子：
0
作者：
小峯裕己;木村洋他
通讯作者：
木村洋他

A proposal of estimate equations for formaldehyde emission rate changed by environmental factors, A study on prediction method of indoor formaldehyde concentration based on formaldehyde emission rate measured by the test chamber method

环境因素变化甲醛释放率估算方程的提出，基于试验箱法测定的甲醛释放率的室内甲醛浓度预测方法研究

DOI：
发表时间：
2003
期刊：
Journal of Environmental Engineering, Architectural Institute of Japan No.569, Jul.
影响因子：
0
作者：
Hiroshi Kimura;Hiromi Komine;Hiroki Zin
通讯作者：
Hiroki Zin

チャンバー法によるHCHO放散量測定値に基づく室内濃度予測手法に関する研究その6)HCHO・トルエン発生建材混在時におけるHCHO放散挙動の検証

基于室法甲醛排放测量的室内浓度预测方法研究第6部分）甲醛与产生甲苯的建筑材料共存时甲醛排放行为的验证