Technology Demonstration of a Microwave-Assisted Lead-Based Paint Removal Process
Abstract
The microwave-assisted paint removal process is a viable alternative to the currently used technologies for lead-based paint (LBP) removal, such as abrasive blasting and chemical stripping. Two design approaches for the microwave paint removal systems were evaluated for removal of LBP. Graphite-based susceptor materials, applied over the painted surface, were used successfully in absorbing the microwave energy and heating the paint. The heat softened the paint, which was easily scraped from the substrate. The microwave paint removal process was optimized in the laboratory and field demonstrated for a wooden window sill and trough at Fort Lewis. The lead levels on the relatively flat substrates and complex shaped substrates were dramatically reduced on the areas stripped. Chemical stabilizers applied over the LBP prior to application of the susceptor rendered the waste nonhazardous by the current Resource Conservation and Recovery Act (RCRA) Toxicity Characteristic Leaching Procedure (TCLP) criteria. The microwave-assisted removal process is safe and effective in removing paint without burning, discoloring, or otherwise damaging the substrate.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 2003
- Accession Number
- ADA431144
Entities
People
- Anil Tellakula
- Ashok Kumar
- Larry David Stephenson
Organizations
- Engineer Research and Development Center