Air Quality Assessment of Industrial BoilersExhaust and its Impact Upon Workers’ Health

IF 0.4 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Journal of Environmental Science and Management Pub Date : 2022-06-30 DOI:10.47125/jesam/2022_1/07
Adnan Khan, F. Arooj, Saif-ur-Rehman Kashif, Saman Sana, S. Sidra
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Abstract

Air pollution is a major concern worldwide with human activities being the main contributor and causing serious health impacts. The present study was designed to monitor the amount of gaseous pollutants (CO2, CO, SO2, NOX) and total suspended particulates (TSP) from different industrial boiler’s exhaust using three fuel types (coal, natural gas and heavy furnace oil/diesel). These five parameters were measured and compared with the National Environmental Quality Standards (NEQS) of Pakistan. Coal and diesel boilers were emitting more SO2 (22x) as compared to natural gas. The natural gas boilers were producing more CO (7x) due to inefficient combustion and low mixing of air into gaseous fuel. The concentration of NOx from all boiler types were within the standard value. TSP values ranged from 82.3 mg m-3 to 245.7 mg m-3, which were within the NEQS limits due to the presence of control devices. Workers’ health (n=42) was assessed using a questionnaire and health of many workers was found to be compromised (34 %), while most of them were either unaware or were not provided PPEs (37.5%). Consequently, the workers were being exposed to large amounts of hazardous emissions in the industry.
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工业锅炉排气空气质量评价及其对工人健康的影响
空气污染是全世界关注的一个主要问题,人类活动是造成空气污染的主要原因,并对健康造成严重影响。本研究旨在监测使用三种燃料类型(煤、天然气和重炉油/柴油)的不同工业锅炉废气中的气态污染物(CO2、CO、SO2、NOX)和总悬浮颗粒物(TSP)的数量。测量了这五个参数,并与巴基斯坦国家环境质量标准(NEQS)进行了比较。与天然气锅炉相比,燃煤和柴油锅炉排放的二氧化硫更多(22倍)。由于燃烧效率低下和空气与气体燃料的低混合,天然气锅炉产生了更多的CO(7倍)。各类锅炉NOx排放浓度均在标准值范围内。TSP值在82.3 ~ 245.7 mg m-3之间,由于控制装置的存在,在NEQS限值内。使用问卷对工人的健康(n=42)进行了评估,发现许多工人的健康受到损害(34%),而他们中的大多数人要么不知道,要么没有提供ppe(37.5%)。因此,工人们暴露在工业中大量的有害排放物中。
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来源期刊
CiteScore
0.90
自引率
0.00%
发文量
10
审稿时长
2 months
期刊介绍: The Journal of Environmental Science and Management (JESAM) is an international scientific journal produced semi-annually by the University of the Philippines Los Baños (UPLB). JESAM gives particular premium to manuscript submissions that employ integrated methods resulting to analyses that provide new insights in environmental science, particularly in the areas of: environmental planning and management; protected areas development, planning, and management; community-based resources management; environmental chemistry and toxicology; environmental restoration; social theory and environment; and environmental security and management.
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