Hygroscopicity and cloud condensation nucleation activities of hydroxyalkylsulfonates

Peng, Chao; Malek, Kotiba A.; Rastogi, Dewansh; Zhang, Yuqing; Wang, Weigang; Ding, Xiang; Asa-Awuku, Akua; Wang, Xinming; Tang, Mingjin

doi:10.1016/j.scitotenv.2022.154767

Cited by 13 publications

(13 citation statements)

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“…This is vital because other solubilitylimiting approaches begin with instantaneous dissolution and add the element of reduced solubility along the course of droplet growth. Indeed the approach is congruous to the concept of earlier works that explored the impact of slow dissolution (e.g., Shulman et al, 1996;Asa-Awuku and Nenes, 2007) and aligns with more current findings that describe the droplet growth of viscous, amorphous or glassy-like aerosols (e.g., Altaf et al, 2018;Tandon et al, 2019;Zobrist et al, 2008;Mikhailov et al, 2009;Peng et al, 2022).…”

Section: Summary and Implicationssupporting

confidence: 56%

“…Droplet growth can be explained for the effectively insoluble organic compounds using a water adsorption framework. CCN activity from adsorption can be modeled by combining the water activity from an adsorption isotherm with the Kelvin effect (for example, but not limited to, Kumar et al, 2009aKumar et al, , b, 2011aRahman and Al-Abadleh, 2018;Malek et al, 2022;Tang et al, 2016;Henson, 2007;Goodman et al, 2001;Hatch et al, 2012). One such mathematical formulation accounts for adsorption using the Frenkel-Halsey-Hill (FHH) isotherm (Sorjamaa and Laaksonen, 2007).…”

Section: Introductionmentioning

confidence: 99%

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Hybrid water adsorption and solubility partitioning for aerosol hygroscopicity and droplet growth

et al. 2022

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Abstract. In this work, we studied the cloud condensation nuclei (CCN) activity and subsaturated droplet growth of phthalic acid (PTA), isophthalic acid, (IPTA) and terephthalic acid (TPTA), significant benzene polycarboxylic acids and structural isomers found in the atmosphere. Köhler theory (KT) can be effectively applied for hygroscopicity analysis of PTA due to its higher aqueous solubility compared to IPTA and TPTA. As with other hygroscopicity studies of partially water-soluble and effectively water-insoluble species, the supersaturated and subsaturated hygroscopicity derived from KT principles do not agree. To address the disparities in the sub- and supersaturated droplet growth, we developed a new analytical framework called the Hybrid Activity Model (HAM). HAM incorporates the aqueous solubility of a solute within an adsorption-based activation framework. Frenkel–Halsey–Hill (FHH) adsorption theory (FHH-AT) was combined with the aqueous solubility of the compound to develop HAM. Analysis from HAM was validated using laboratory measurements of pure PTA, IPTA, TPTA and PTA–IPTA internal mixtures. Furthermore, the results generated using HAM were tested against traditional KT and FHH-AT to compare their water uptake predictive capabilities. A single hygroscopicity parameter was also developed based on the HAM framework. Results show that the HAM-based hygroscopicity parameter can successfully simulate the water uptake behavior of the pure and internally mixed samples. Results indicate that the HAM framework may be applied to atmospheric aerosols of varying chemical structures and aqueous solubility.

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Section: Summary and Implicationssupporting

confidence: 56%

Section: Introductionmentioning

confidence: 99%

Hybrid water adsorption and solubility partitioning for aerosol hygroscopicity and droplet growth

et al. 2022

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“…with κ int = κ TK = 0.604 for ammonium sulfate (Rose et al, 2008). The intrinsic and experimentally derived values also agree well for water-soluble compounds and partially soluble organics (Dawson et al, 2020;Peng et al, 2021Peng et al, , 2022. Traditional Köhler theory calculations from theory and measurement tend to disagree for high molecular weight organics, such as polymers (Petters et al, 2006(Petters et al, , 2009.…”

Section: Theory and Analysismentioning

confidence: 58%

“…The droplet formation of water-insoluble particles has been previously described with adsorption activation models (Hatch et al, 2012;Kumar et al, 2009;Lintis et al, 2021;Malek et al, 2022;Navea et al, 2017;Pajunoja et al, 2015;Tang et al, 2016). Brunauer, Emmett, and Teller adsorption isotherm models are typically applied for multilayer adsorption analysis of water uptake on clays (Hatch et al, 2012) and fly ash (Navea et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

A single-parameter hygroscopicity model for functionalized insoluble aerosol surfaces

2022

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Abstract. The impact of molecular level surface chemistry for aerosol water-uptake and droplet growth is not well understood. In this work, spherical, nonporous, monodisperse polystyrene latex (PSL) particles treated with different surface functional groups are exploited to isolate the effects of aerosol surface chemistry for droplet activation. PSL is effectively water insoluble and changes in the particle surface may be considered a critical factor in the initial water uptake of water-insoluble material. The droplet growth of two surface modified types of PSL (PSL-NH2 and PSL-COOH) along with plain PSL was measured in a supersaturated environment with a Cloud Condensation Nuclei Counter (CCNC). Three droplet growth models – traditional Köhler (TK), Flory–Huggins Köhler (FHK) and the Frenkel–Halsey–Hill adsorption theory (FHH-AT) were compared with experimental data. The experimentally determined single hygroscopicity parameter, κ, was found within the range from 0.002 to 0.04. The traditional Köhler prediction assumes Raoult's law solute dissolution and underestimates the water-uptake ability of the PSL particles. FHK can be applied to polymeric aerosol; however, FHK assumes that the polymer is soluble and hydrophilic. Thus, the FHK model generates a negative result for hydrophobic PSL and predicts non-activation behavior that disagrees with the experimental observation. The FHH-AT model assumes that a particle is water insoluble and can be fit with two empirical parameters (AFHH and BFHH). The FHH-AT prediction agrees with the experimental data and can differentiate the water uptake behavior of the particles owing to surface modification of PSL surface. PSL-NH2 exhibits slightly higher hygroscopicity than the PSL-COOH, whereas plain PSL is the least hygroscopic among the three. This result is consistent with the polarity of surface functional groups and their affinity to water molecules. Thus, changes in AFHH and BFHH can be quantified when surface modification is isolated for the study of water-uptake. The fitted AFHH for PSL-NH2, PSL-COOH, and plain PSL is 0.23, 0.21, and 0.18 when BFHH is unity. To simplify the use of FHH-AT for use in cloud activation models, we also present and test a new single parameter framework for insoluble compounds, κFHH. κFHH is within 5 % agreement of the experimental data and can be applied to describe a single-parameter hygroscopicity for water-insoluble aerosol with surface modified properties.

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“…To determine the CCNC's supersaturations, a widely used calibration procedure was conducted with inorganic ammonium sulfate. 55,56,[68][69][70][71] Ammonium sulfate has been used in various literature for CCNC calibration for hygroscopicity measurements of organic aerosol. 55,56,[69][70][71] The calibration was conducted prior to the experiments, and the calibrated supersaturations are reported in the ESI.…”

Section: Cloud Condensation Nuclei Analysismentioning

confidence: 99%

Hygroscopicity of nitrogen-containing organic carbon compounds: o-aminophenol and p-aminophenol

Malek

Rastogi

Al‐Abadleh

et al. 2023

Environ. Sci.: Processes Impacts

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Hygroscopicity and cloud condensation nucleation activities of hydroxyalkylsulfonates

Cited by 13 publications

References 58 publications

Hybrid water adsorption and solubility partitioning for aerosol hygroscopicity and droplet growth

Hybrid water adsorption and solubility partitioning for aerosol hygroscopicity and droplet growth

A single-parameter hygroscopicity model for functionalized insoluble aerosol surfaces

Hygroscopicity of nitrogen-containing organic carbon compounds: o-aminophenol and p-aminophenol

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