Guide to Cleaner Technologies: Cleaning and Degreasing Process Changes

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DIANE Publishing, Dec 1, 1994 - 38 pages
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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 ii - US Environmental Protection Agency, and approved for publication. Approval does not signify that the contents necessarily reflect the views and policies of the US Environmental Protection Agency, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.
Page ii - Although the research described in this article has been funded wholly or in part by the United States Environmental Protection Agency, it has not been subjected to the Agency's peer and administrative review and therefore may not necessarily reflect the views of the Agency and no official endorsement should be inferred.
Page iii - ... protecting the Nation's land, air, and water resources. Under a mandate of national environmental laws, the Agency strives to formulate and implement actions leading to a compatible balance between human activities and the ability of natural systems to support and nurture life. These laws direct the EPA to perform research to define our environmental problems, measure the impacts, and search for solutions.
Page iii - Agency is charged by Congress with protecting the Nation's land, air, and water resources. Under a mandate of national environmental laws, the Agency strives to formulate and implement actions leading to a compatible balance between human activities and the ability of natural systems to support and nurture life.
Page iv - EPA Risk Reduction Engineering Laboratory (RREL), both located in Cincinnati, Ohio. Battelle compiled and prepared the information used for this Guide. The following people provided significant...
Page iii - FOREWORD Today's rapidly developing and changing technologies and industrial products and practices frequently carry with them the increased generation of materials that, if improperly dealt with, can threaten both public health and the environment. The US Environmental Protection Agency is charged by Congress with protecting the Nation's land, air and water resources. Under a mandate of national environmental laws, the agency strives to formulate and implement actions leading to a compatible balance...
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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