气候变化领域集成服务门户(CCPortal): 拉萨市餐馆厨房内空气污染特征

CCPortal

	拉萨市餐馆厨房内空气污染特征
其他题名	Indoor Air Pollution in Restaurant Kitchens in Lhasa
	陈鹏飞; 李潮流; 康世昌
发表日期	2011
ISSN	1001-6929
卷号	24 期号:10 页码:1104-1109
中文摘要	2010年8月对拉萨市4个餐馆厨房内细颗粒(PM_2.5)和CO的浓度进行监测，以认识2种污染物的污染水平、日变化特征及主要影响因素；同时采集气溶胶样品，以分析颗粒物中有毒元素的含量特征.结果表明：厨房1~4内的rho(PM_2.5)的平均值分别为0.356，2.045，1.387和0.191mg/m~3，phi(CO)的平均值分别为20.60010~-6，142.90010~-6，9.20010~-6和7.80010~-6，藏式餐馆厨房内的phi(CO)明显高于汉式餐馆厨房；厨房内的rho(PM_2.5)，phi(CO)和phi(CO_2)的日变化具有一致性，且污染物浓度峰值与就餐活动有很好的对应关系；厨房内气溶胶中的rho(Cu),rho(Zn),rho(Cd),rho(As),rho(Pb)和rho(Bi)等很高，均高于室外空气，且藏式餐馆厨房高于汉式餐馆，其中rho(Cu)最高，在藏、汉式餐馆的厨房内分别高达5.684和2.081mug/m~3，分别是室外的236和111倍，这可能是液化气炉子铜质出气口在高温下的损耗所致。
英文摘要	Concentrations of fine particulate matter (PM_2.5) and carbon monoxide (CO) in the kitchens of four restaurants in Lhasa were observed in August 2010 in order to understand their pollution levels, daily variation characteristics and main influencing factors. Meanwhile, aerosol samples were collected to investigate the concentrations of toxic elements. The result indicated that the 24-hour average mass concentrations of PM_2.5 of the four studied kitchens were 0.356, 2.045, 1.387 and 0.191 mg/m~3, while the concentrations of CO were 20.60010~-6, 142.90010~-6, 9.20010~-6 and 7.80010~-6, respectively. The average CO concentration within Tibetan-style kitchens was higher than that of Han-style ones. Diurnal variations of PM_2.5, CO and CO_2 concentrations were similar, with multiple peaks which were closely connected to the daily meal periods. Mass concentrations of Cu, Zn, Cd, As, Pb and Bi in the aerosols from the restaurants were higher than those of the outdoor air. Among these elements, the mass concentration of Cu were highest, being 5.684 mug/m~3 in the Tibetan-style kitchens and 2.081 mug/m~3 in the Han-style kitchens. These values were 236 and 111 times higher, respectively, than the outdoor concentrations. The high Cu mass concentrations might be associated with the wear and tear of the copper outlet of the liquid gas stove operating at high temperatures.
关键词	室内空气污染厨房拉萨
英文关键词	PM_2.5;CO;indoor air pollution;kitchen;PM_2.5;CO;Lhasa
语种	中文
来源期刊	环境科学研究
来源机构	中国科学院西北资源环境生态研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/89671
推荐引用方式 GB/T 7714	陈鹏飞,李潮流,康世昌. 拉萨市餐馆厨房内空气污染特征[J]. 中国科学院西北资源环境生态研究院,2011,24(10):1104-1109.
APA	陈鹏飞,李潮流,&康世昌.(2011).拉萨市餐馆厨房内空气污染特征.环境科学研究,24(10),1104-1109.
MLA	陈鹏飞,et al."拉萨市餐馆厨房内空气污染特征".环境科学研究 24.10(2011):1104-1109.