Spontaneous Combustion of Used Paint Booth Filters
Practices to consider to minimize the potential for spontaneous combustion of used paint booth filters:
- Avoid disposing of waste paint booth filters in commercial dumpsters where the filters can be compressed and insulated by other combustible wastes. This is especially true of mechanical or hydraulic compaction dumpsters.
- Avoid disposing of waste paint booth filters in trash bags that are picked up by compactor-type garbage trucks.
- Use small metal trash containers, such as 55-gallon drums, to store filters prior to disposal and do not compress the filters significantly.
- Keep waste paint booth filter storage containers at as cool an ambient temperature as possible (i.e., locate in shade or in cooler places within buildings) as higher ambient storage temperatures increase the probability of a fire dramatically.
- Use low volatile organic compound (VOC) paints.
This laboratory research project endeavors to identify the cause of spontaneous combustion of used paint booth filters. The problem plagues some paint shops. The experiment was conducted by Combustion Science and Engineering, Inc. at www.csefire.com. The full report on the experiment and analysis is available: Spontaneous Combustion of Paint Loaded Filters Report.