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Guide to Cleaner Technologies, Organic Coating Removal (54 pp, 5.3 MB) February 1994


Cleaner coating removal technologies are developing rapidly to meet a variety of industrial needs to replace solvent strippers having toxic properties. This guide describes cleaner technologies that can be used to reduce waste in coating removal operations. The removal technologies discussed employ one or more general types of physical removal mechanisms:

Information is presented on commercially available as well as emerging technologies. Issues discussed for each of the technologies include how pollution can be reduced, applications to various operations, and potential cost benefits that may be realized. Commercially available technologies discussed include Plastic Media Blasting, Wheat Starch Blasting, Burnoff Coating Removal, Molten Salt Coating Removal, Sodium Bicarbonate Wet Blasting, Carbon Dioxide Pellet Cryogenic Blasting, High-Pressure Water Blasting, and Liquid Nitrogen Cryogenic Blasting. Emerging technologies discussed include Laser Heating, Flashlamp Heating, and Ice Crystal Blasting.

Issues concerning various regulations governing solvent-based methods are discussed and summarized under the Pollution Prevention Strategy Section, which identifies the main federal environmental regulations that may influence the selection of a cleaner coating technology. Also, a section on Cleaner Technology Transfer considerations discusses various criteria for selecting the appropriate cleaning technology for the type of substrate under consideration.

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