Eric Betterton

ATMOSPHERIC CHEMISTRY & PHYSICS

R. Matichuk, B. Barbaris, Eric A. Betterton, M. Hori, N. Murao, S. Ohta, D. Ward, "A decade of aerosol and gas precursor chemical characterization at Mt. Lemmon, Arizona (1992 to 2002)", J. Met. Soc. Japan, 84, 653-670 (2006).

E. A. Betterton*, D. J. Anderson, “Autoxidation of N(III), S(IV) and other species in frozen solution – a possible pathway for enhanced chemical transformation in freezing systems”, J. Atmos. Chem., 40, 171-189 (2001) .

B. A. Klimowski, R. Becker, E. A. Betterton*, R. Bruintjes, T. L. Clark, W. D. Hall, B. W. Orr, R. A. Kropfli, P. Piironen, R. F. Reinking, D. Sundie, T. Uttal, “The 1995 Arizona Program: toward a better understanding of winter storm precipitation development in mountainous terrain”, Bull. Amer. Meterol. Soc., 799-813, 79 (1998) .

Z. Hu, R. T. Bruintjes*, E. A. Betterton, “Sensitivity of Cloud Droplet Growth to Collision and Coalescence Efficiencies in a Parcel Model”, J. Atmos. Sci., 55, 2502-2515 (1998) .

A. T. Young, E. A. Betterton*, L. Saldivar de Rueda, “Photochemical box model for Mexico City”, Atmosfera , 161-178, 10 (1997).

S. Philippin, E. A. Betterton*, “Cloud Condensation Nuclei Concentrations in Southern Arizona: Instrumentation and early observations”, Atmospheric Research, 43, 263-275 (1997).

B. Barbaris, E. A. Betterton*, “Initial Snow Chemistry Survey of the Mogollon Rim in Arizona”, Atmospheric Environment, 30, 3093-3103 (1996).

Marty Willinger, Erik Rupp, Brian Barbaris, Song Gao, Robert Arnold, Eric Betterton, A. Eduardo Sáez, Thermocatalytic destruction of gas-phase perchloroethylene using propane as a hydrogen source,

Ozer Orbay, Song Gao, Brian Barbaris, Erik Rupp, A. Eduardo Saez, Robert G. Arnold, Eric A. Betterton, Catalytic dechlorination of gas-phase perchloroethylene under mixed redox conditions, Applied Catalysis B: Environmental, 79, 43-52 (2008).

Heng Li, Eric A. Betterton, Robert G. Arnold, Wendell P. Ela, Brian Barbaris, and Cecilio Grachane,

Jiahan He, Wendell P. Ela, Eric A. Betterton, Robert G. Arnold, andA. Eduardo Sáez, Reductive Dehalogenation of Aqueous-Phase Chlorinated Hydrocarbons in an Electrochemical Reactor", Ind. Eng. Chem. Res., 43 (25), 7965 -7974 (2004).

J. He, R. G. Arnold, A. E. Saez, E. A. Betterton, W. P. Ela, "Removal of aqueous phase TCE using membrane air stripping contactors", J. Env. Eng. 130, 1232-1241(2004).

H. Li, R. G. Arnold, E. A. Betterton, W. P. Ela, B. Barbaris, "Comment on "The mechanisms of rate enhancing and quenching of trichloroethene photodecay in the presence of sensitizer and hydrogen sources", by Chu, W. and Choy, W. K. (2002) Water Research 36: 2525-2532", Water Res. 38, 2792-2793 (2004).

J. He, A. E. Saez, W. P. Ela, E. A. Betterton, R. G. Arnold, "Destruction of Aqueous-Phase Carbon Tetrachloride in an Electrochemical Reactor with a Porous Cathode", Ind. Eng. Chem. Res. 43, 913-923 (2004 ).

G. Chen, E.A. Betterton, R.G. Arnold*, W.P. Ela, “Electrolytic Reduction of Trichloroethylene and Chloroform at a Pt- or Pd-Coated Ceramic Cathode", J. Appl. Electrochem. 33, 161-169 (2003).

Z. Liu, R. G. Arnold*, E. A. Betterton, “Reductive dehalogenation of gas–phase chlorinated solvents using a modified fuel cell”, Env. Sci. Technol. 35, 4320-4326 (2001).

B. Barbaris, E. A. Betterton, R. G. Arnold, W. P. Ela, L. J. Berry, X. Ju, K. E. Kerr, D. S. Samorano, "Phototreatment of perchloroethylene in soil vapor at the Harrison landfill, Tucson, AZ", Proc. 2000 Conf. Haz. Waste Res., Denver, 2000, pp. 55-68.

E. A. Betterton*, N. Hollan, R. G. Arnold, S. Gogosha, K. McKim, “Acetone-Photosensitized Reduction of Carbon Tetrachloride by 2-Propanol in Aqueous Solution”, Env. Sci. Technol. 34, 1229-1233 (2000) .

Z. Liu, R.G. Arnold*, E.A. Betterton, “Electrolytic Reduction of Low-Molecular-Weight Chlorinated Aliphatic Compounds – Structural and Thermodynamic Effects on Process Kinetics”, Env. Sci. Technol. 34, 804-811 (2000) .

John J. Orlando, Geoffrey S. Tyndall, Eric A. Betterton, Joe Lowry, Steve T. Stegall, "Atmospheric chemistry of hydrazoic acid (HN₃): UV absorption spectrum, HO^. reaction rate, and reactions of the ^.N3 radical", Environ, Sci. Technol., 39, 1632-1640 (2005).

E. A. Betterton, "Environmental fate of sodium azide derived from automobile airbags", Crit. Rev. Env. Sci. Technol. 33, 423-458 (2003). (4MB)

E. A. Betterton*, D. Craig, “Kinetics and Mechanism of the Reaction of Azide with Ozone in Aqueous Solution: Evidence for the Formation of Hypoazidite”, J. Air Waste Manag. Assoc. 49, 1347-1354 (1999) . (Abstract)

E. A. Betterton*, J. R. Robinson, “Henry’s law coefficient of hydrazoic acid”, J. Air Waste Manag. Assoc., 1216-1219, 47 (1997) .

	Eric A. Betterton, Ph. D.
COURSE MATERIAL ON THE WEB
RESEARCH INTERESTS	Atmospheric and environmental chemistry (including aerosols, cloud condensation nuclei, frozen solution chemistry, microphysical and chemical properties of winter precipitation, urban air quality, ground water remediation, and chemistry of azides derived from automobile air bags).
SELECTED PUBLICATIONS	ATMOSPHERIC CHEMISTRY & PHYSICS R. Matichuk, B. Barbaris, Eric A. Betterton, M. Hori, N. Murao, S. Ohta, D. Ward, "A decade of aerosol and gas precursor chemical characterization at Mt. Lemmon, Arizona (1992 to 2002)", J. Met. Soc. Japan, 84, 653-670 (2006). E. A. Betterton, D. J. Anderson, “Autoxidation of N(III), S(IV) and other species in frozen solution – a possible pathway for enhanced chemical transformation in freezing systems”, J. Atmos. Chem., 40, 171-189 (2001) . B. A. Klimowski, R. Becker, E. A. Betterton, R. Bruintjes, T. L. Clark, W. D. Hall, B. W. Orr, R. A. Kropfli, P. Piironen, R. F. Reinking, D. Sundie, T. Uttal, “The 1995 Arizona Program: toward a better understanding of winter storm precipitation development in mountainous terrain”, Bull. Amer. Meterol. Soc., 799-813, 79 (1998) . Z. Hu, R. T. Bruintjes, E. A. Betterton, “Sensitivity of Cloud Droplet Growth to Collision and Coalescence Efficiencies in a Parcel Model”, J. Atmos. Sci., 55, 2502-2515 (1998) . A. T. Young, E. A. Betterton, L. Saldivar de Rueda, “Photochemical box model for Mexico City”, Atmosfera , 161-178, 10 (1997). S. Philippin, E. A. Betterton, “Cloud Condensation Nuclei Concentrations in Southern Arizona: Instrumentation and early observations”, Atmospheric Research, 43, 263-275 (1997). B. Barbaris, E. A. Betterton, “Initial Snow Chemistry Survey of the Mogollon Rim in Arizona”, Atmospheric Environment, 30, 3093-3103 (1996). HALOGENATED ORGANICS Marty Willinger, Erik Rupp, Brian Barbaris, Song Gao, Robert Arnold, Eric Betterton, A. Eduardo Sáez, Thermocatalytic destruction of gas-phase perchloroethylene using propane as a hydrogen source, Journal of Hazardous Materials 167, 770–776 (2009) Ozer Orbay, Song Gao, Brian Barbaris, Erik Rupp, A. Eduardo Saez, Robert G. Arnold, Eric A. Betterton, Catalytic dechlorination of gas-phase perchloroethylene under mixed redox conditions, Applied Catalysis B: Environmental, 79, 43-52 (2008). Heng Li, Eric A. Betterton, Robert G. Arnold, Wendell P. Ela, Brian Barbaris, and Cecilio Grachane, Convenient New Chemical Actinometer Based on Aqueous Acetone, 2-Propanol, and Carbon Tetrachloride, Environ. Sci. Technol., 39 (7), 2262 -2266 (2005). Jiahan He, Wendell P. Ela, Eric A. Betterton, Robert G. Arnold, andA. Eduardo Sáez, Reductive Dehalogenation of Aqueous-Phase Chlorinated Hydrocarbons in an Electrochemical Reactor", Ind. Eng. Chem. Res., 43 (25), 7965 -7974 (2004). J. He, R. G. Arnold, A. E. Saez, E. A. Betterton, W. P. Ela, "Removal of aqueous phase TCE using membrane air stripping contactors", J. Env. Eng. 130, 1232-1241(2004). H. Li, R. G. Arnold, E. A. Betterton, W. P. Ela, B. Barbaris, "Comment on "The mechanisms of rate enhancing and quenching of trichloroethene photodecay in the presence of sensitizer and hydrogen sources", by Chu, W. and Choy, W. K. (2002) Water Research 36: 2525-2532", Water Res. 38, 2792-2793 (2004). J. He, A. E. Saez, W. P. Ela, E. A. Betterton, R. G. Arnold, "Destruction of Aqueous-Phase Carbon Tetrachloride in an Electrochemical Reactor with a Porous Cathode", Ind. Eng. Chem. Res. 43, 913-923 (2004 ). G. Chen, E.A. Betterton, R.G. Arnold, W.P. Ela, “Electrolytic Reduction of Trichloroethylene and Chloroform at a Pt- or Pd-Coated Ceramic Cathode", J. Appl. Electrochem.* 33, 161-169 (2003). Z. Liu, R. G. Arnold, E. A. Betterton, “Reductive dehalogenation of gas–phase chlorinated solvents using a modified fuel cell”, Env. Sci. Technol.* 35, 4320-4326 (2001). B. Barbaris, E. A. Betterton, R. G. Arnold, W. P. Ela, L. J. Berry, X. Ju, K. E. Kerr, D. S. Samorano, "Phototreatment of perchloroethylene in soil vapor at the Harrison landfill, Tucson, AZ", Proc. 2000 Conf. Haz. Waste Res., Denver, 2000, pp. 55-68. E. A. Betterton, N. Hollan, R. G. Arnold, S. Gogosha, K. McKim, “Acetone-Photosensitized Reduction of Carbon Tetrachloride by 2-Propanol in Aqueous Solution”, Env. Sci. Technol. 34, 1229-1233 (2000) . Z. Liu, R.G. Arnold, E.A. Betterton, “Electrolytic Reduction of Low-Molecular-Weight Chlorinated Aliphatic Compounds – Structural and Thermodynamic Effects on Process Kinetics”, Env. Sci. Technol. 34, 804-811 (2000) . AZIDES John J. Orlando, Geoffrey S. Tyndall, Eric A. Betterton, Joe Lowry, Steve T. Stegall, "Atmospheric chemistry of hydrazoic acid (HN₃): UV absorption spectrum, HO^. reaction rate, and reactions of the ^.N3 radical", Environ, Sci. Technol., 39, 1632-1640 (2005). E. A. Betterton, "Environmental fate of sodium azide derived from automobile airbags", Crit. Rev. Env. Sci. Technol. 33, 423-458 (2003). (4MB) E. A. Betterton, D. Craig, “Kinetics and Mechanism of the Reaction of Azide with Ozone in Aqueous Solution: Evidence for the Formation of Hypoazidite”, J. Air Waste Manag. Assoc.* 49, 1347-1354 (1999) . (Abstract) E. A. Betterton, J. R. Robinson, “Henry’s law coefficient of hydrazoic acid”, J. Air Waste Manag. Assoc., 1216-1219, 47 (1997) . OTHER S. Kommineni, W. P. Ela, R. G. Arnold, S. G. Huling, B. J. Hester, E. A. Betterton, "NDMA treatment by sequential GAC adsorption and Fenton-driven destruction", Env. Eng. Sci. 20, 361-373 (2003). Mohamed S. A. Hamza, Rudi van Eldik, Pascal L. S. Harper, John M. Pratt, and Eric A. Betterton, "Five-coordination and Adduct Formation in Co(III) Corrinoids: Dissecting Ligand Substitution into its Component Parts", Eur. J. Inorg. Chem., 580-583 (2002*) .