The use of palladized iron as a means of treating chlorinated contaminants
Conference
·
OSTI ID:210185
- Oak Ridge National Lab., Grand Junction, CO (United States)
- Univ. of Arizona, Tucson, AZ (United States); and others
Recent work from laboratories at the University of Arizona and Oak Ridge National Laboratory has suggested that trace amounts of palladium plated on a zero-valence metal such as iron have significant utility for the dechlorination of many important environmental pollutants. The previous studies have discussed the fact that dechlorination of trichloroethene is 10 to 100 times faster with palladized iron and that previously recalcitrant compounds such as dichloromethane are also easily degraded. This presentation discusses further studies with palladized iron and configurations for field-scale implementation of the technology. The work presently being conducted is focused on the practical and cost-efficient preparation of the material and on evaluating the effects of use and regeneration on the palladized iron surface. Results to date indicate that a variety of methods of varying cost-effectiveness can be used to prepare the material. In addition, regeneration following clogging of the surface with iron oxide is easily done with a hydrochloric acid rinse.
- OSTI ID:
- 210185
- Report Number(s):
- CONF-9509139--
- Country of Publication:
- United States
- Language:
- English
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