Proceedings of the 1990 Scientific Conference on Obscuration and Aerosol Research Held in Aberdeen Proving Ground, Maryland on 25 - 28 June 1990
Abstract
In this report, 35 papers presented at the 1990 Scientific Conference on Obscuration and Aerosol Research are included under the headings of Physical and Chemical Properties of Aerosols, Aerosol Characterization Methods, and Optical Properties of Aerosols. In this paper, we give a method of measuring the rate of absorption of chemical agents such as methyl salicylate on fine particulate aerosols for the purpose of removing toxic vapors from the battlefield. The rate of absorption of a gas on to a particulate aerosol in a vertical transport line is to be measured to determine the mass transfer coefficient. Consider a dilute mixture of component A in air coflowing with fine particles vertically in a pipe. There is a short acceleration zone near the inlet to the pipe after which the flow is non-accelerating. The voidage then becomes constant as does the local pressure gradient. Component A (methyl salicylate) is introduced in the non-accelerating region and its mass transfer to the fine particles over 10 feet of the transport line is determined by sampling the gas and chromatographically analyzing it.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1991
- Accession Number
- ADA241364