Foaming Dependence on the Interface Affinities of Surfactant-like Molecules

Tiwari, Surya Prakash; Steckel, Janice A.; Sarma, Moushumi; Bryant, Jonathan; Lippert, Cameron A.; Widger, Leland R.; Thompson, Jesse; Liu, Kunlei; Siefert, Nicholas; Hopkinson, David; Shi, Wei

doi:10.1021/acs.iecr.9b03105

Title: Foaming Dependence on the Interface Affinities of Surfactant-like Molecules

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Abstract

We have explored the relationship between physical properties and foaming behavior of 30 wt % aqueous monoethanolamine (MEA) solutions with three different surfactant-like additives. The additives included one commercial surfactant, cetyltrimethylammonium bromide (CTAB), and two CO₂ capture catalysts that behave as weak surfactants. The physical properties of interest were the additives’ affinity for the liquid–vapor interface and the viscosity, surface tension, and surface elasticity of the solutions. The physical properties were explored using molecular dynamics simulations as well as experiments. The additives’ affinity for the liquid–vapor interface played a key role in the foaming behavior by affecting the interfacial properties (surface tension and surface elasticity) of the aqueous MEA solutions. The solution containing CTAB showed the largest surface tension depression and the largest surface elasticity and resulted in the largest amount of foaming. The two catalyst solutions had almost similar surface tensions but differed in their elasticity. Here, the catalyst solution with higher surface elasticity showed more foaming due to higher foam stability.

Authors:

^[1]; Steckel, Janice A. ^[2]; Sarma, Moushumi ^[3]; Bryant, Jonathan ^[3]; Lippert, Cameron A. ^[3]; Widger, Leland R. ^[3]; Thompson, Jesse ^[3];

^[3]; Siefert, Nicholas ^[2]; Hopkinson, David ^[2];

^[1]

National Energy Technology Lab. (NETL), Pittsburgh, PA (United States); Leidos Research Support Team, Pittsburgh, PA (United States)
National Energy Technology Lab. (NETL), Pittsburgh, PA (United States)
Univ. of Kentucky, Lexington, KY (United States)

Publication Date:: Mon Sep 30 00:00:00 EDT 2019

Research Org.:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)

Sponsoring Org.:: USDOE Office of Fossil Energy (FE), Clean Coal and Carbon Management

OSTI Identifier:: 1607767

Resource Type:: Accepted Manuscript

Journal Name:: Industrial and Engineering Chemistry Research

Additional Journal Information:: Journal Volume: 58; Journal Issue: 43; Journal ID: ISSN 0888-5885

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; catalysts; additives; interfaces; foaming; molecules

Citation Formats


                    Tiwari, Surya Prakash, Steckel, Janice A., Sarma, Moushumi, Bryant, Jonathan, Lippert, Cameron A., Widger, Leland R., Thompson, Jesse, Liu, Kunlei, Siefert, Nicholas, Hopkinson, David, and Shi, Wei. Foaming Dependence on the Interface Affinities of Surfactant-like Molecules.  United States: N. p., 2019. 
Web.  doi:10.1021/acs.iecr.9b03105.

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                    Tiwari, Surya Prakash, Steckel, Janice A., Sarma, Moushumi, Bryant, Jonathan, Lippert, Cameron A., Widger, Leland R., Thompson, Jesse, Liu, Kunlei, Siefert, Nicholas, Hopkinson, David, & Shi, Wei. Foaming Dependence on the Interface Affinities of Surfactant-like Molecules.  United States.  https://doi.org/10.1021/acs.iecr.9b03105

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                    Tiwari, Surya Prakash, Steckel, Janice A., Sarma, Moushumi, Bryant, Jonathan, Lippert, Cameron A., Widger, Leland R., Thompson, Jesse, Liu, Kunlei, Siefert, Nicholas, Hopkinson, David, and Shi, Wei. Mon .  
"Foaming Dependence on the Interface Affinities of Surfactant-like Molecules".  United States.  https://doi.org/10.1021/acs.iecr.9b03105.  https://www.osti.gov/servlets/purl/1607767.

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@article{osti_1607767,

  title        = {Foaming Dependence on the Interface Affinities of Surfactant-like Molecules},

  author       = {Tiwari, Surya Prakash and Steckel, Janice A. and Sarma, Moushumi and Bryant, Jonathan and Lippert, Cameron A. and Widger, Leland R. and Thompson, Jesse and Liu, Kunlei and Siefert, Nicholas and Hopkinson, David and Shi, Wei},

  abstractNote = {We have explored the relationship between physical properties and foaming behavior of 30 wt % aqueous monoethanolamine (MEA) solutions with three different surfactant-like additives. The additives included one commercial surfactant, cetyltrimethylammonium bromide (CTAB), and two CO2 capture catalysts that behave as weak surfactants. The physical properties of interest were the additives’ affinity for the liquid–vapor interface and the viscosity, surface tension, and surface elasticity of the solutions. The physical properties were explored using molecular dynamics simulations as well as experiments. The additives’ affinity for the liquid–vapor interface played a key role in the foaming behavior by affecting the interfacial properties (surface tension and surface elasticity) of the aqueous MEA solutions. The solution containing CTAB showed the largest surface tension depression and the largest surface elasticity and resulted in the largest amount of foaming. The two catalyst solutions had almost similar surface tensions but differed in their elasticity. Here, the catalyst solution with higher surface elasticity showed more foaming due to higher foam stability.},

  doi          = {10.1021/acs.iecr.9b03105},

  journal      = {Industrial and Engineering Chemistry Research},

  number       = 43,

  volume       = 58,

  place        = {United States},

  year         = {Mon Sep 30 00:00:00 EDT 2019},

  month        = {Mon Sep 30 00:00:00 EDT 2019}

}

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