Guide to Cleaner Technologies: Cleaning and Degreasing Process Changes
DIANE Publishing, 1994 - 38 pages
Identifies new approaches for pollution prevention in cleaning and degreasing processes to remove dirt, soil, and grease in various manufacturing industries . Addresses available technologies, emerging technologies, pollution prevention strategy and benefits, operating features, application, and limitations. List of information sources. Drawings, charts and figures.
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add-on controls adsorption air lock alkaline tumbling aqueous cleaning aqueous power washer automated aqueous washer automated washer Available Technologies batch capital cost carbon cavitation CEVC chemicals cleaner technologies Cleaning and Degreasing cleaning chamber cleaning cycle cleaning effectiveness cleaning processes cleaning solution compared Completely Enclosed Vapor condensate contaminants Davisburg electronics industry eliminate the need Emerging Technologies enclosed vapor cleaner energy requirement Environmental Protection Agency equipment Existing Vapor Degreasers Fluxless Soldering freeboard Gavaskar halogenated inert atmosphere soldering Kliper laser cleaning liquid load low-solids flux Metal Finishing No-Clean operating costs perchloroethylene plant Pollution Prevention Benefits potential printed circuit boards process changes recycling reduce air emissions reduces solvent refrigerated coils remove residue Sandia National Laboratories skill level solder joints solvent cleaning solvent vapors spray substrate surface Table Technologies for Cleaning temperature tion transducers U.S. Environmental Protection U.S. EPA ultrasonic cleaning unit users vacuum furnace Vapor Storage Technology waste stream Wastewater
Page 31 - Plasma Cleaning and the Removal of Carbon From Metal Surfaces.
Page 18 - ... dependent on several parameters and properties of the cleaning liquid. Temperature: Temperature is the parameter which has the most dramatic effect on the ultrasonic cleaning process. The general rule is that increasing temperature will result in higher cavitation intensity and better cleaning, as long as the boiling point of the chemical is not too closely approached. Near the boiling point, the liquid will boil in the negative pressure areas of the sound waves, resulting in no effective cavitation....
Page 18 - Ultrasonic energy usually is applied to a solution by means of a transducer, which converts electrical energy into mechanical energy. The positioning of the transducers in the cleaning tank is a critical variable. The transducers can be bonded to the tank or mounted in stainless steel housings for immersion in the tank. The number and position of...
Page 10 - ... Completely enclosed vapor cleaner. Unlike a conventional degreaser, there are no significant idling losses between loads or downtime losses during shutdown. The CEVC can be operated as a distillation unit to clean the liquid solvent in the sump. To distill, the unit is switched on without any work load in the chamber. After most of the solvent is converted to vapor, the residue in the sump is drained out and the vapors in the chamber are condensed in the chiller to recover the solvent. CEVC thus...