Influence of organic films on the hygroscopicity of ultrafine sulfuric acid aerosol

Article Abstract:

Monolayer films of some fatty acids, such as lauric and stearic, inhibit the hydroscopic growth rate of sulfuric acid aerosol. Such result can be attributed to the films' obstructive effect on the permeation of water vapor. The original film coating thickness was found to influence greatly the retardation effects of organic films.

Research, Sulfuric acid, Aerosols

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Influence of organic films on the hydroscopicity of ultrafine sulfuric acid aerosol

Article Abstract:

Research results indicate that some fatty acids, when applied as monolayer films on aqueous droplets, can retard sulfuric acid aerosols' hygroscopic growth rates. The retardation effect, which results from the films' obstruction of water vapor permeation, is dependent on the thickness of the original film coating.

Air Pollution Control, Waste Management and Remediation Services

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Partioning of hydrophobic organic compounds to hydroxypropyl-beta-cyclodextrin: experimental studies and model predictions for surfactant-enhanced remediation applications

Article Abstract:

The feasibility of using HPCD to remove absorbed HOCs in surfactant-enhanced remediation (SER) applications was the purpose of this study involving partitioning of hydrophobic organic compounds (HOCs) to hydroxypropyl-beta-cyclodextrin (HPCD).

Texas, Surface active agents, Surface Active Agent Manufacturing, Usage, Science and technology policy, Pollution, Chemical industry, Soap and cleaning agents industry, Cleaning agents industry, Texas A&M University

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