A New Method for the Real-Time Measurement of Diesel Ae*
实时测量柴油 Ae* 的新方法
基本信息
- 批准号:7253182
- 负责人:
- 金额:$ 18.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-08-01 至 2008-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Mine Safety and Health Administration promulgated standards for Diesel Participate Matter (DPM) for
coal and noncoal mines. The filter based methods used to enforce the new standards provide information on
mass emissions, and the type of carbon. These methods do not provide real-time information on alternative
exposure metrics such as particle number, surface area and volume. Reliance on these standards may
underestimate the health risk resulting from exposure to Diesel exhaust when new technology is introduced.
Our research will evaluate alternatives to mass based emission and time weighted average filter based
standards that will enable the concentration of nuclei mode (< 30 nm in diameter) to be estimated.
The response of real-time aerosol instruments is strongly influenced by the physical and chemical nature
of Diesel aerosol such as particle size and composition. In a pilot study, we showed that instrument
response was suppressed by the presence of a large, predominantly volatile nuclei mode, and/or the
presence of volatile material on the surface of the solid carbonaceous agglomerates present in the
accumulation mode (particles 30-1,000 nm). Removal of the volatile material enhanced the response,
improved correlation between instruments, and provides an estimate of carbonaceous particulate matter.
The long-term objective of this research is to ensure that no new health hazards are introduced
underground by the use of new emission control technology. We will evaluate and recommend a suite of
low-cost, real-time aerosol instruments that can be used in the laboratory, and possibly underground, to
evaluate exposure/emissions and determine the physical and chemical characteristics of Diesel aerosol.
The goals are:1) evaluate the control efficiency of catalyzed emission control devices in the laboratory
by measuring the particle size (number, surface area and volume), number concentration, particle volatility,
mass concentration, elemental carbon (EC) and organic carbon (OC) concentration using a suite of real time
instruments, 2) recommend procedures for the use of a low cost instrument package for laboratory
evaluation of Diesel engines equipped with and without emission control devices, 3) develop a portable
catalytic stripper for use with these instruments in underground, non-gassy mines to obtain real-time data on
the physical and chemical characteristics of DPM to which miners are exposed.
矿山安全与健康管理局颁布了柴油参与物质(DSO)标准,
煤矿和非煤矿。用于实施新标准的基于过滤器的方法提供了以下信息
排放量和碳的种类。这些方法不提供关于替代方法的实时信息。
暴露度量,例如颗粒数量、表面积和体积。对这些标准的依赖可能
当新技术被引入时,低估了暴露于柴油机废气所造成的健康风险。
我们的研究将评估基于质量的排放和基于时间加权平均过滤器的替代方案
这些标准将能够估计核模式(直径< 30 nm)的浓度。
气溶胶的物理和化学性质强烈影响着实时气溶胶仪器的响应
柴油气溶胶的特性,如颗粒大小和成分。在一项初步研究中,我们展示了这种仪器,
反应被一个大的,主要是挥发性核模式的存在抑制,和/或
挥发性材料在存在于所述固体碳质附聚物中的固体碳质附聚物表面上的存在
聚集模式(颗粒30- 1,000 nm)。挥发性物质的去除增强了响应,
改进了仪器之间的相关性,并提供了含碳颗粒物的估计。
这项研究的长期目标是确保不引入新的健康危害
地下通过使用新的排放控制技术。我们将评估并推荐一套
低成本,实时气溶胶仪器,可用于实验室,并可能在地下,
评估暴露/排放,并确定柴油气溶胶的物理和化学特性。
目的是:1)在实验室中评价催化排放控制装置的控制效率
通过测量颗粒尺寸(数量、表面积和体积)、数量浓度,颗粒挥发性,
质量浓度、元素碳(EC)和有机碳(OC)浓度使用一套真实的时间
仪器,2)推荐使用低成本的实验室仪器包的程序
评价柴油发动机配备和不配备排放控制装置,3)开发便携式
催化汽提器,用于在地下无瓦斯矿井中与这些仪器一起使用,以获得以下方面的实时数据
矿工所接触的有害物质的物理和化学特性。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Evaluation of a portable photometer for estimating diesel particulate matter concentrations in an underground limestone mine.
对用于估算地下石灰石矿中柴油颗粒物浓度的便携式光度计进行评估。
- DOI:10.1093/annhyg/meq020
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:Watts,WinthropF;Gladis,DavidD;Schumacher,MatthewF;Ragatz,AdamC;Kittelson,DavidB
- 通讯作者:Kittelson,DavidB
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DAVID B KITTELSON其他文献
DAVID B KITTELSON的其他文献
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{{ truncateString('DAVID B KITTELSON', 18)}}的其他基金
A New Method for the Real-Time Measurement of Diesel Ae*
实时测量柴油 Ae* 的新方法
- 批准号:
7101685 - 财政年份:2005
- 资助金额:
$ 18.5万 - 项目类别:
New Method for Real-Time Measurement of Diesel Aerosol
实时测量柴油气溶胶的新方法
- 批准号:
7026778 - 财政年份:2005
- 资助金额:
$ 18.5万 - 项目类别:
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