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Title: Chemical Characterisation of Aerosols Emitted from Household Biomass Burning of Madhya Pradesh, India
Authors: Pandey, Gaurav
Supervisor: Sharma, S. K.
Dhir, Amit
Keywords: aerosol;Trace Gases, Combustion
Issue Date: Aug-2011
Abstract: Biomass burning started to attract attention since the last decade because of its impact on the atmosphere and the environmental air quality, as well as significant potential effects on human health and global climate change. Approximately 2500 million people are exposed daily to emissions from biomass burning sites. Biomass burning is a major source of trace gases and particles that have a profound impact on the atmosphere. Trace gases emitted by fires include the greenhouse gases CO2 and CH4, as well as CO and volatile organic compounds that affect air quality. Particle emissions affect climate, visibility, the hydrologic cycle, and human health. Knowledge of particle emission characteristics from biomass burning is crucially important for the quantitative assessment of the potential impacts. This thesis present the results of study aimed towards comprehensive characterisation of particle emission from biomass burning. The study was conducted under controlled laboratory conditions, to quantify the particle size distribution and emission factors by taking into account various factors which may affect the particle characteristics. This work is an attempt to expand the knowledge of aerosol obtained from burning emission of biomass mainly used by the rural poor of Madhya Pradesh, India. The present study deals with technological constraints in the characterization and utilization of rural biomass, water soluble ionic species and the estimation of the various parameters associated. For this purpose, an artificial burning setup was developed for characterisation of rural biomass. The aerosol particle were characterized in terms of size distribution and emission factors, such as PM2.5 particle mass emission factor and particle number emission factors, under various burning conditions. The characteristics of particles over a range of burning phase (e.g., ignition, flaming and smoldering) were also investigated. The result showed that the particle characteristics depend on the burning rate and the type of biomass used (e.g., dung cake, fuel wood and crop residue).
Appears in Collections:Masters Theses@SEE

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