Transport mechanisms during the high-temperature oxidation ...
Photo-oxidation Process of Endocrine Disrupting Compounds in Water
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April 17,2009 NASA Space Grant Rodrigo Lopez Mentor: Dr. Eduardo Saez NASA Space Grant Symposium April 18, 2009
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April 17,2009 NASA Space Grant Rodrigo Lopez Mentor: Dr. Eduardo Saez NASA Space Grant Symposium April 18, 2009. Photo-oxidation Process of Endocrine Disrupting Compounds in Water. Intersex Characteristics in Fish. Higher abundance of fish with intersex characteristics in presence of - PowerPoint PPT Presentation
Transcript of Photo-oxidation Process of Endocrine Disrupting Compounds in Water
April 17,2009NASA Space GrantRodrigo LopezMentor: Dr. Eduardo SaezNASA Space Grant SymposiumApril 18, 2009
Higher abundance of fish with intersex characteristics in presence of treated wastewater
17β-estradiol (E2)
OH
C CH___
17α-ethynyl estradiol (EE2)
nonylphenol
Present in birth controlMimics other EDCs
Derivatives in household products
Determine kinetics of nonylphenol through H2O2 photolysis.
Show that NP can be quickly degraded using solar light in the presence of H2O2 .
OHOHhOH 22
)( Products 2COOHNP
Batch Reactor (600 mL)
Analyze in Spectrophotometer
or GC/MS
Run reaction, Extract NP
26 mM NP
50,75,100 mM H2O2
Sunlight or UV Lamp
NP can be destroyed in a photochemical reaction with H2O2 in lab scale using UV and sun light.
Sunlight quickly degrades NP in a H2O2 photolysis reaction.
To Lab Group: Mario Rojas, Dr. Bob Arnold, Fernando Perez
Brian Barbaris for equipment, and roof access. Mentor Desiree Polson and other interns NASA Space Grant Internship Program
