You are here:
EPA Home » Science Inventory » TRANSFORMATION OF HALOGENATED PBTS WITH NANOSCALE BIMETALLIC PARTICLES
Contact
Impact/Purpose:
Objective of this research is to develop nanoscale bimetallic particles (e.g., Fe-Pd) with sizes in the range of 1-100 nm for treatment of hydrophobic, persistent, bioaccumulative toxic compounds (PBTs). Nanoparticles have higher contaminant availability and higher reactivity towards PBTs.
Record Details:
Record Type:PROJECT( ABSTRACT )Keywords:
GROUND WATER, NANOPARTICLES, NANOTECHNOLOGY, ORGANICS, PBTS, PCBS, REMEDIATION, SOIL, AND SEDIMENTS. ,Related Organizations:
Role :OWNEROrganization Name :LEHIGH UNIVERSITY
Mailing Address :27 Memorial Dr
Citation :Bethlehem
State :PA
Zip Code :18015
Project Information:
Approach :State-of-the-art techniques of nanomaterial synthesis will be exploited to create novel materials for PBT treatment. The design principles of biomedical drug delivery reagents will be adapted to derivatize the iron nanoparticle surface. For example, negatively charged polyelectrolytes could be attached to nanoparticle surfaces to inhibit particle adsorption to negatively charged clay platelets and soil particles. Hydrophilic carbon may be used as a support for the iron nanoparticles to enhance the nanoparticle dispersion. Biodegradable β-cyclodextrins have the potential to control the nanoparticle size and enhance chemical availability of hydrophobic PBTs. The synthesized nanoparticles will be systematically assessed for their rate and extent of PBT degradation. Model compounds selected for this research include: polychlorinated biphenyls (PCBs), hexachlorocyclohexanes (HCHs), chlorinated benzenes and phenols. Finally, transport and reactions of the iron nanoparticles in porous media will be studied in laboratory soil columns. Fluorescent tagging methods will be used for detailed microscopic analysis of particle transport and deposition in porous media.
Cost :$325,000.00
Research Component :Hazardous Waste/Remediation
Approach :
State-of-the-art techniques of nanomaterial synthesis will be exploited to create novel materials for PBT treatment. The design principles of biomedical drug delivery reagents will be adapted to derivatize the iron nanoparticle surface. For example, negatively charged polyelectrolytes could be attached to nanoparticle surfaces to inhibit particle adsorption to negatively charged clay platelets and soil particles. Hydrophilic carbon may be used as a support for the iron nanoparticles to enhance the nanoparticle dispersion. Biodegradable β-cyclodextrins have the potential to control the nanoparticle size and enhance chemical availability of hydrophobic PBTs. The synthesized nanoparticles will be systematically assessed for their rate and extent of PBT degradation. Model compounds selected for this research include: polychlorinated biphenyls (PCBs), hexachlorocyclohexanes (HCHs), chlorinated benzenes and phenols. Finally, transport and reactions of the iron nanoparticles in porous media will be studied in laboratory soil columns. Fluorescent tagging methods will be used for detailed microscopic analysis of particle transport and deposition in porous media.
Cost :$325,000.00
Research Component :Nanotechnology
Approach :
State-of-the-art techniques of nanomaterial synthesis will be exploited to create novel materials for PBT treatment. The design principles of biomedical drug delivery reagents will be adapted to derivatize the iron nanoparticle surface. For example, negatively charged polyelectrolytes could be attached to nanoparticle surfaces to inhibit particle adsorption to negatively charged clay platelets and soil particles. Hydrophilic carbon may be used as a support for the iron nanoparticles to enhance the nanoparticle dispersion. Biodegradable β-cyclodextrins have the potential to control the nanoparticle size and enhance chemical availability of hydrophobic PBTs. The synthesized nanoparticles will be systematically assessed for their rate and extent of PBT degradation. Model compounds selected for this research include: polychlorinated biphenyls (PCBs), hexachlorocyclohexanes (HCHs), chlorinated benzenes and phenols. Finally, transport and reactions of the iron nanoparticles in porous media will be studied in laboratory soil columns. Fluorescent tagging methods will be used for detailed microscopic analysis of particle transport and deposition in porous media.
Cost :$325,000.00
Research Component :Health Effects
Project IDs:
ID Code :GR832225Project type :EPA Grant