Particle Formation by NH3-SO2 Reactions at Trace Water Conditions

Hsun-Ling Bai, Pratim Biswas*, Tim C. Keener

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Particle formation from NH3-SO2 reactions at trace water vapor concentrations has been studied experimentally and theoretically. Three possible solid products—NH3SO2, (NH3)2SO2, and (NH4)2S2O5—were considered, and calculations were carried out to predict equilibrium concentrations of the reactants. A gas to particle conversion model for the NH3-SO2 system was developed, considering simultaneous chemical reaction, nucleation, condensation, and coagulation. Potential applications of this system of reactions are also discussed.

Original languageEnglish
Pages (from-to)88-94
Number of pages7
JournalIndustrial and Engineering Chemistry Research
Issue number1
StatePublished - 1 Jan 1992

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