실내나눔숲 조성 사업의 실내 공기질 개선효과
Indoor Air Quality Improvement of Indoor Wood Remodeling in Welfare Facilities
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초록
현대인은 실내에 머무는 시간 증가에 따라 실내환경의 쾌적성 뿐 아니라 인체 건강에 유효한 친환경 소재를 활용한 실내환경 개선을 요구한다. 테르펜 성분이 건조된 목재에서도 발생함이 밝혀짐에 따라 목재를 사용하여 숲이 주는 치유효과를 기대할 수 있게 되면서 목재를 활용한 실내환경개선 수요가 증가하고 있다. 이에 본 연구는 목재기반 실내환경개선의 효과를 조사하기 위해 복지시설의 실내나눔숲 조성사업 대상지 75곳을 선정하여 목재마감 면적비율에 따라 대상지를 3개의 유형으로 분류하고, 각 대상지의 리모델링 전·후의 폼알데하이드와 총휘발성유기화합물의 방출 농도를 측정하였다. 분석 결과 폼알데하이드는 목재면적 비율이 50% 이상인 유형들(B-type, C-type)에서 통계적으로 유의하게 농도치가 감소되었다. 또한 목재면적비율이 가장 많은 C-type에서 폼알데하이드 감소량이 총휘발성유기화합물의 증가량과 정적(+) 상관관계를 보였다(r=0.372, p=0.015). 목재기반 실내환경 조성으로 실내오염물질이 저감됨에 따라 실내 공기질의 개선효과가 있으므로, 향후 지속적인 조성사업과 함께 인체에 미치는 치유효과 등의 후속연구도 기대된다.
Abstract
Modern people demand not only the comfort of the indoor environment but also the improvement of the indoor environment using eco-friendly materials that are effective for human health as the time to stay indoors increases. As terpene components are found to occur in dried wood, the healing effect of the forest can be expected using wood. As it becomes possible, the demand for indoor environment improvement using wood is increasing. Therefore, in order to investigate the effect of improving the wood-based indoor environment, this study selected 75 sites for the indoor sharing forest project of welfare facilities and classified them into three types according to the area ratio of wood finish. In addition, the emission concentrations of formaldehyde and total volatile organic compounds before and after the composition of each target site were measured.As a result of the analysis, the concentration value of formaldehyde decreased statistically significantly in types(B,C-type) with a wood area ratio of 50% or more. In addition, in the C-type with the largest wood area ratio, the decrease in formaldehyde showed a positive (+) correlation with the increase in total volatile organic compounds(r=0.372, p=0.015). Therefore, since the creation of a wood-based indoor environment can reduce indoor pollutants, continuous construction projects and follow-up studies are expected in the future.
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