A Study on the Concentration Distribution of Carbon Dioxide and Formaldehyde in Indoor Environments of an University

碩士 === 國立屏東科技大學 === 環境工程與科學系所 === 104 === "Indoor Air Quality Act" was formulated in Nov. 23th 2011, the topic of indoor air quality hazardous to health has grabbed the public attention. Students studied and moved in the classroom at most of time. If there is inadequate ventilation situa...

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Bibliographic Details
Main Authors: Hung, Wei-Jen, 洪維仁
Other Authors: Huang, Yi-Chu
Format: Others
Language:zh-TW
Published: 2016
Online Access:http://ndltd.ncl.edu.tw/handle/68650686727734143206
Description
Summary:碩士 === 國立屏東科技大學 === 環境工程與科學系所 === 104 === "Indoor Air Quality Act" was formulated in Nov. 23th 2011, the topic of indoor air quality hazardous to health has grabbed the public attention. Students studied and moved in the classroom at most of time. If there is inadequate ventilation situation in the classroom, the pollutants will be easily accumulated and then causes the deterioration of air quality. This will impact the health of teachers and students and then effect the teaching quality. We selected eight indoor environments from various university campus located in south of Taiwan to study the indoor carbon dioxide and formaldehyde. We hope to learn the air quality in different environments, and provide those information to school management authority to address the issues. To take further action to improve the air quality and to protect the teachers and students on campus. Carbon dioxide will not cause bodily injury directly, but high concentration of carbon dioxide will do. Results collected from the distribution of carbon dioxide concentration on campus, the classroom and professional classroom are the worse contaminated places. The accumulated concentration was up to 3000 ~ 4000 ppm. The next was the computer room, assembly hall, meeting room and lab. The average concentration is between 430 and 864 ppm. Library is the least concentration of carbon dioxide. Formaldehyde (HCHO) is colorless and transparent gas with irritation, and also is the most common indoor air pollutants. Indoor environment of campus contain various concentration of HCHO based on the interior decoration materials being used in the building. Teachers and students will breath excess HCHO unconsciously and affect their health. This research displays the abnormal places of HCHO happened in: (1) laboratory(0.116 ppm)that is volatilized from Formalin; (2) profession classroom(0.1085 ppm)caused by formaldehyde misjudgement for ethanol by the detector; (3) meeting room and assembly hall by using the detergent containing organic HCHO solvent. The HCHO concentration in other indoor environments on campus meet the Indoor Air Quality (IAQ) standards and mostly lower than 0.03 ppm. Therefore, to protect both teachers' and students' health, the priorities are to improve the quality of the air in the classrooms and solve the carbon dioxide problem at school.