Guide to Cleaner Technologies: Cleaning and Degreasing Process Changes

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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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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...

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