Studies of Optical and Chemical Properties of Biomass Burning Aerosols
生物质燃烧气溶胶的光学和化学性质研究
基本信息
- 批准号:1555479
- 负责人:
- 金额:$ 48.83万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-02-15 至 2019-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This project involves laboratory studies to assess the chemical composition and optical properties of small atmospheric particles created from biomass burning. The investigators are focusing on common East African biomass sources including eucalyptus, banana trees, acacia, and animal dung. They are building an indoor smog chamber that will be connected directly to the output of a burner that will be used to generate biomass aerosols. This project will lead to a better understanding of pollutants generated from the common use of biomass for cooking and burning in developing countries.The project is using a combination of Cavity Ring Down Spectroscopy (CRDS), nephelometry and a Scanning Mobility Particle Sizer (SMPS) to measure aerosol optical properties at a wide range of wavelengths to determine absorption cross sections as a function of wavelength. Optical properties are also being measured as a function of composition and degree of atmospheric aging as the chamber is designed so that additional gases of relevant organic compounds and nitrogen oxides can be added to prepare mixtures to simulate atmospheric aging of the aerosols. Ultra-Performance Liquid Chromatography (UPLC) coupled in-line to both a Diode Array Detector (DAD) and high-resolution quadrupole time-of-flight mass spectrometer equipped with an electrospray ionization source is being used to chemically characterize aerosol samples produced in the chamber experiments.
该项目涉及实验室研究,以评估生物质燃烧产生的大气微粒的化学成分和光学特性。研究人员正在关注东非常见的生物质来源,包括桉树、香蕉树、金合欢和动物粪便。他们正在建造一个室内烟雾室,该烟雾室将直接连接到用于产生生物质气溶胶的燃烧器的输出。该项目将有助于更好地了解发展中国家普遍使用生物质烹饪和燃烧所产生的污染物,该项目综合使用腔衰荡光谱法、浊度测定法和扫描迁移率粒度仪,测量各种波长范围内的气溶胶光学特性,以确定吸收截面随波长的变化。光学特性也被测量为组成和大气老化程度的函数,因为腔室被设计成使得可以添加相关有机化合物和氮氧化物的额外气体以制备混合物来模拟气溶胶的大气老化。超高效液相色谱法(UPLC)耦合在线二极管阵列检测器(DAD)和高分辨率四极杆飞行时间质谱仪配备了电喷雾电离源正在被用来化学表征气溶胶样品室实验中产生的。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Solomon Bililign其他文献
Experimental studies of collisions of excited Li(4p) atoms with C<sub>2</sub>H<sub>4</sub>, C<sub>2</sub>H<sub>6</sub>, C<sub>3</sub>H<sub>8</sub> and theoretical interpretation of the Li–C<sub>2</sub>H<sub>4</sub> system
- DOI:
10.1016/j.chemphys.2008.12.007 - 发表时间:
2009-01-27 - 期刊:
- 影响因子:
- 作者:
Natenael Semmineh;Solomon Bililign;Denis Hagebaum-Reignier;Gwang-Hi Jeung - 通讯作者:
Gwang-Hi Jeung
Solomon Bililign的其他文献
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{{ truncateString('Solomon Bililign', 18)}}的其他基金
HBCU-Excellence in Research: Biomass Burning Aerosol-Molecular Level Characterization of Aging Conditions on Optical and Chemical Properties
HBCU-卓越研究:生物质燃烧气溶胶-老化条件对光学和化学性能的分子水平表征
- 批准号:
2100708 - 财政年份:2021
- 资助金额:
$ 48.83万 - 项目类别:
Standard Grant
HBCU-Excellence in Research: Radiative Effects of Biomass Burning Aerosols Laboratory and Field Measurements and Modeling of Climate and Health Impacts
HBCU-卓越研究:生物质燃烧气溶胶的辐射效应实验室和现场测量以及气候和健康影响的建模
- 批准号:
1831013 - 财政年份:2018
- 资助金额:
$ 48.83万 - 项目类别:
Standard Grant
GP-EXTRA:Pathways to atmospheric science through immersion in geoscience research
GP-EXTRA:通过沉浸在地球科学研究中通向大气科学的途径
- 批准号:
1600415 - 财政年份:2016
- 资助金额:
$ 48.83万 - 项目类别:
Standard Grant
IRES-International Research in Geosciences (Earth and Atmospheric Sciences) in Ethiopia
IRES-埃塞俄比亚国际地球科学研究(地球和大气科学)
- 批准号:
1559308 - 财政年份:2016
- 资助金额:
$ 48.83万 - 项目类别:
Standard Grant
REU Site: Collaborative Earth System Science Research - Atmospheric Modeling, Sensing and Societal Impacts
REU 网站:协作地球系统科学研究 - 大气建模、传感和社会影响
- 批准号:
1262876 - 财政年份:2013
- 资助金额:
$ 48.83万 - 项目类别:
Continuing Grant
INDIVIDUAL- Nomination of Dr. Solomon Bililign for the Presidential Award for Excellence in Mentoring
个人 - 提名所罗门·比利林博士获得卓越指导总统奖
- 批准号:
1035729 - 财政年份:2011
- 资助金额:
$ 48.83万 - 项目类别:
Standard Grant
Collaborative Research: Track 2 - Enhancing diversity in the Geosciences through the AfricaArray Educational Alliance
合作研究:轨道 2 - 通过 AfricaArray 教育联盟增强地球科学的多样性
- 批准号:
0914415 - 财政年份:2009
- 资助金额:
$ 48.83万 - 项目类别:
Standard Grant
Kinetics and Thermochemistry Studies of Carboxylic and Other Acids Using Negative Ion Proton Transfer Mass Spectrometry (NI-PTMS)
使用负离子质子转移质谱 (NI-PTMS) 对羧酸和其他酸进行动力学和热化学研究
- 批准号:
0803016 - 财政年份:2008
- 资助金额:
$ 48.83万 - 项目类别:
Continuing Grant
U.S.-Ethiopia IRES: International Research Experiences for Students in Earth, Atmospheric and Space Sciences in Ethiopia.
美国-埃塞俄比亚 IRES:埃塞俄比亚地球、大气和空间科学学生的国际研究经验。
- 批准号:
0622441 - 财政年份:2007
- 资助金额:
$ 48.83万 - 项目类别:
Continuing Grant
US-Ethiopia Planning Visit: Physics and Geophysics Research and Education Collaboration with Addis Ababa University
美国-埃塞俄比亚计划访问:与亚的斯亚贝巴大学的物理和地球物理学研究和教育合作
- 批准号:
0422821 - 财政年份:2004
- 资助金额:
$ 48.83万 - 项目类别:
Standard Grant
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