Articles | Volume 19, issue 21
https://doi.org/10.5194/acp-19-13383-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-13383-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 Oct 2019
Research article |
| 30 Oct 2019
| 30 Oct 2019
Relative-humidity-dependent organic aerosol thermodynamics via an efficient reduced-complexity model
Department of Atmospheric and Oceanic Sciences, McGill University, Montreal, Quebec, Canada
Thomas C. Preston
Department of Atmospheric and Oceanic Sciences, McGill University, Montreal, Quebec, Canada
Department of Chemistry, McGill University, Montreal, Quebec, Canada
Department of Atmospheric and Oceanic Sciences, McGill University, Montreal, Quebec, Canada
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Cited
27 citations as recorded by crossref.
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- Liquid–liquid phase separation and morphologies in organic particles consisting of α-pinene and β-caryophyllene ozonolysis products and mixtures with commercially available organic compounds Y. Song et al. https://doi.org/10.5194/acp-20-11263-2020
- Extension of the AIOMFAC Model for Atmospheric Aerosols Containing Partially Dissociating Organosulfates and Dicarboxylic Acids B. Bergen et al. https://doi.org/10.1021/acsearthspacechem.5c00146
- Determining Activity Coefficients of SOA from Isothermal Evaporation in a Laboratory Chamber X. Liu et al. https://doi.org/10.1021/acs.estlett.0c00888
- A predictive group-contribution model for the viscosity of aqueous organic aerosol N. Gervasi et al. https://doi.org/10.5194/acp-20-2987-2020
- Not all types of secondary organic aerosol mix: two phases observed when mixing different secondary organic aerosol types F. Mahrt et al. https://doi.org/10.5194/acp-22-13783-2022
- Hygroscopic growth and CCN activity of secondary organic aerosol produced from dark ozonolysis of γ-terpinene H. Bouzidi et al. https://doi.org/10.1016/j.scitotenv.2022.153010
- Fresh and Aged Organic Aerosol Emissions from Renewable Diesel-Like Fuels HVO and RME in a Heavy-Duty Compression Ignition Engine M. Novakovic et al. https://doi.org/10.4271/2023-01-0392
- Implementation of the MOSAIC aerosol module (v1.0) in the Canadian air quality model GEM-MACH (v3.1) K. Semeniuk et al. https://doi.org/10.5194/gmd-18-6479-2025
- Predictions of the glass transition temperature and viscosity of organic aerosols from volatility distributions Y. Li et al. https://doi.org/10.5194/acp-20-8103-2020
- Implications of reduced-complexity aerosol thermodynamics on organic aerosol mass concentration and composition over North America C. Serrano Damha et al. https://doi.org/10.5194/acp-25-5773-2025
- Humidified single-scattering albedometer (H-CAPS-PMSSA): Design, data analysis, and validation C. Carrico et al. https://doi.org/10.1080/02786826.2021.1895430
- Liquid–Liquid Phase Separation Can Drive Aerosol Droplet Growth in Supersaturated Regimes K. Malek et al. https://doi.org/10.1021/acsenvironau.3c00015
- Water uptake and optical properties of mixed organic-inorganic particles L. Nandy et al. https://doi.org/10.1080/02786826.2021.1966378
- Composition of indoor organic surface films in residences: simulating the influence of sources, partitioning, particle deposition, and air exchange B. Cummings et al. https://doi.org/10.1039/D3EM00399J
- Effect of relative humidity on the molecular composition of secondary organic aerosols from α-pinene ozonolysis H. Luo et al. https://doi.org/10.1039/D3EA00149K
- Phase Behavior of Internal Mixtures of Hydrocarbon-like Primary Organic Aerosol and Secondary Aerosol Based on Their Differences in Oxygen-to-Carbon Ratios F. Mahrt et al. https://doi.org/10.1021/acs.est.1c07691
- Water Solubility Distribution of Organic Matter Accounts for the Discrepancy in Hygroscopicity among Sub- and Supersaturated Humidity Regimes W. Lee et al. https://doi.org/10.1021/acs.est.2c04647
- Capturing the Relative‐Humidity‐Sensitive Gas–Particle Partitioning of Organic Aerosols in a 2D Volatility Basis Set C. Serrano Damha et al. https://doi.org/10.1029/2023GL106095
- Secondary Organic Aerosol from Biomass Burning Phenolic Compounds and Nitrate Radicals can be Highly Viscous over a Wide Relative Humidity Range S. Nikkho et al. https://doi.org/10.1021/acs.est.4c06235
- Global Simulations of Phase State and Equilibration Time Scales of Secondary Organic Aerosols with GEOS-Chem R. Luu et al. https://doi.org/10.1021/acsearthspacechem.4c00281
- Current State of Atmospheric Aerosol Thermodynamics and Mass Transfer Modeling: A Review K. Semeniuk & A. Dastoor https://doi.org/10.3390/atmos11020156
- Impact of nonionic surfactants on the water activity of binary and ternary aqueous solutions E. Werner et al. https://doi.org/10.1039/D5CP03917G
- Model Framework for Predicting Semivolatile Organic Material Emissions Indoors from Organic Aerosol Measurements: Applications to HOMEChem Stir-Frying B. Cummings et al. https://doi.org/10.1021/acs.est.3c04183
- Predicting Liquid–Liquid Phase Separation of Submicrometer Proxies for Atmospheric Secondary Aerosol Q. Huang et al. https://doi.org/10.1021/acsestair.4c00254
- Phase state of organic aerosols may limit temperature-driven thermodynamic repartitioning following outdoor-to-indoor transport B. Cummings et al. https://doi.org/10.1039/D2EM00093H
- Phase Behavior of Hydrocarbon-like Primary Organic Aerosol and Secondary Organic Aerosol Proxies Based on Their Elemental Oxygen-to-Carbon Ratio F. Mahrt et al. https://doi.org/10.1021/acs.est.1c02697
27 citations as recorded by crossref.
- Indoor aerosol water content and phase state in U.S. residences: impacts of relative humidity, aerosol mass and composition, and mechanical system operation B. Cummings et al. https://doi.org/10.1039/D0EM00122H
- Liquid–liquid phase separation and morphologies in organic particles consisting of α-pinene and β-caryophyllene ozonolysis products and mixtures with commercially available organic compounds Y. Song et al. https://doi.org/10.5194/acp-20-11263-2020
- Extension of the AIOMFAC Model for Atmospheric Aerosols Containing Partially Dissociating Organosulfates and Dicarboxylic Acids B. Bergen et al. https://doi.org/10.1021/acsearthspacechem.5c00146
- Determining Activity Coefficients of SOA from Isothermal Evaporation in a Laboratory Chamber X. Liu et al. https://doi.org/10.1021/acs.estlett.0c00888
- A predictive group-contribution model for the viscosity of aqueous organic aerosol N. Gervasi et al. https://doi.org/10.5194/acp-20-2987-2020
- Not all types of secondary organic aerosol mix: two phases observed when mixing different secondary organic aerosol types F. Mahrt et al. https://doi.org/10.5194/acp-22-13783-2022
- Hygroscopic growth and CCN activity of secondary organic aerosol produced from dark ozonolysis of γ-terpinene H. Bouzidi et al. https://doi.org/10.1016/j.scitotenv.2022.153010
- Fresh and Aged Organic Aerosol Emissions from Renewable Diesel-Like Fuels HVO and RME in a Heavy-Duty Compression Ignition Engine M. Novakovic et al. https://doi.org/10.4271/2023-01-0392
- Implementation of the MOSAIC aerosol module (v1.0) in the Canadian air quality model GEM-MACH (v3.1) K. Semeniuk et al. https://doi.org/10.5194/gmd-18-6479-2025
- Predictions of the glass transition temperature and viscosity of organic aerosols from volatility distributions Y. Li et al. https://doi.org/10.5194/acp-20-8103-2020
- Implications of reduced-complexity aerosol thermodynamics on organic aerosol mass concentration and composition over North America C. Serrano Damha et al. https://doi.org/10.5194/acp-25-5773-2025
- Humidified single-scattering albedometer (H-CAPS-PMSSA): Design, data analysis, and validation C. Carrico et al. https://doi.org/10.1080/02786826.2021.1895430
- Liquid–Liquid Phase Separation Can Drive Aerosol Droplet Growth in Supersaturated Regimes K. Malek et al. https://doi.org/10.1021/acsenvironau.3c00015
- Water uptake and optical properties of mixed organic-inorganic particles L. Nandy et al. https://doi.org/10.1080/02786826.2021.1966378
- Composition of indoor organic surface films in residences: simulating the influence of sources, partitioning, particle deposition, and air exchange B. Cummings et al. https://doi.org/10.1039/D3EM00399J
- Effect of relative humidity on the molecular composition of secondary organic aerosols from α-pinene ozonolysis H. Luo et al. https://doi.org/10.1039/D3EA00149K
- Phase Behavior of Internal Mixtures of Hydrocarbon-like Primary Organic Aerosol and Secondary Aerosol Based on Their Differences in Oxygen-to-Carbon Ratios F. Mahrt et al. https://doi.org/10.1021/acs.est.1c07691
- Water Solubility Distribution of Organic Matter Accounts for the Discrepancy in Hygroscopicity among Sub- and Supersaturated Humidity Regimes W. Lee et al. https://doi.org/10.1021/acs.est.2c04647
- Capturing the Relative‐Humidity‐Sensitive Gas–Particle Partitioning of Organic Aerosols in a 2D Volatility Basis Set C. Serrano Damha et al. https://doi.org/10.1029/2023GL106095
- Secondary Organic Aerosol from Biomass Burning Phenolic Compounds and Nitrate Radicals can be Highly Viscous over a Wide Relative Humidity Range S. Nikkho et al. https://doi.org/10.1021/acs.est.4c06235
- Global Simulations of Phase State and Equilibration Time Scales of Secondary Organic Aerosols with GEOS-Chem R. Luu et al. https://doi.org/10.1021/acsearthspacechem.4c00281
- Current State of Atmospheric Aerosol Thermodynamics and Mass Transfer Modeling: A Review K. Semeniuk & A. Dastoor https://doi.org/10.3390/atmos11020156
- Impact of nonionic surfactants on the water activity of binary and ternary aqueous solutions E. Werner et al. https://doi.org/10.1039/D5CP03917G
- Model Framework for Predicting Semivolatile Organic Material Emissions Indoors from Organic Aerosol Measurements: Applications to HOMEChem Stir-Frying B. Cummings et al. https://doi.org/10.1021/acs.est.3c04183
- Predicting Liquid–Liquid Phase Separation of Submicrometer Proxies for Atmospheric Secondary Aerosol Q. Huang et al. https://doi.org/10.1021/acsestair.4c00254
- Phase state of organic aerosols may limit temperature-driven thermodynamic repartitioning following outdoor-to-indoor transport B. Cummings et al. https://doi.org/10.1039/D2EM00093H
- Phase Behavior of Hydrocarbon-like Primary Organic Aerosol and Secondary Organic Aerosol Proxies Based on Their Elemental Oxygen-to-Carbon Ratio F. Mahrt et al. https://doi.org/10.1021/acs.est.1c02697
Saved (final revised paper)
Latest update: 05 Jun 2026
Short summary
We present the new Binary Activity Thermodynamics (BAT) model, which is a water-sensitive reduced-complexity organic aerosol thermodynamics model. It can use bulk properties like O : C, molar mass, and RH to predict organic activity coefficients and water uptake behavior. We show applications in RH-dependent organic co-condensation, liquid–liquid phase separation, and Kohler curve predictions, and we validate the BAT model against laboratory measurements.
We present the new Binary Activity Thermodynamics (BAT) model, which is a water-sensitive...
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