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Long-term Variations of Indoor Formaldehyde Concentration and Emission Characteristics of Building Materials in Chinese Residences

  • Weihui LiangEmail author
Conference paper
  • 246 Downloads
Part of the Environmental Science and Engineering book series (ESE)

Abstract

Formaldehyde is a harmful gaseous pollutant with proved adverse health effects. In this study, the correlation between long-term indoor formaldehyde concentration and decay pattern of the emission sources was analyzed mathematically. They shared a same decay pattern. A total of 30 series of long-term concentration data of formaldehyde had been collected from literature. The one-exponential empirical model describes well on the long-term variation patterns of indoor concentration and pollutant load. The decay constant varies within two magnitudes (10−6 h−1–10−4 h−1) and log-normally distributed, of which μ is −9.01 and σ is 0.89. The estimated decay constant is helpful in the pollutant load and concentration estimation in other occasions.

Keywords

Formaldehyde Emission characteristics Long-term Exponential model Building material 

Notes

Acknowledgements

This work was funded by National Key Project of the Ministry of Science and Technology, China on “Green Buildings and Building Industrialization” (Grant No. 2016YFC0700500), National Natural Science Foundation of China (Grant No. 51708277), and Jiangsu Province of Natural Science Foundation of China (No. BK20170646).

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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.School of Architecture and Urban PlanningNanjing UniversityNanjingPeople’s Republic of China

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