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An aqueous-based parts washer is much like a large dish washer. It uses water and detergent combined with heat and mechanical energy to provide the cleaning action. There are two main process styles of aqueous parts washers, the jet spray process and the power wash process. In a cabinet parts washer, the parts are placed on a turntable and the ...
Aqueous parts cleaning industrial washer. Parts cleaning is a step in various industrial processes, either as preparation for surface finishing or to safeguard delicate components. One such process, electroplating, is particularly sensitive to part cleanliness, as even thin layers of oil can hinder coating adhesion.
A closed-cabinet parts washer may be used to power wash smaller items. An aqueous rather than petrochemical-based wash requires high heat, the proper aqueous detergent, and the correct hydraulic impact pressure.
In aqueous cleaners, surfactants (e.g., laundry detergent) are often added to permit dissolution of non-polar compounds such as oils and greases. An ultrasound generating transducer built into the chamber, or lowered into the fluid, produces ultrasonic waves in the fluid by changing size in concert with an electrical signal oscillating at ...
Non-oleophilic skimmers are distinguished by the component used to collect the oil. A metal disc, belt or drum is used in applications where an polymeric material is inappropriate, such as in a hot alkaline aqueous parts washer. [3] The skimmer is generally turned off whenever there is no oil to skim thus minimizing the amount of water collected.
The 1,1,2,2-tetrachloroethane is then dehydrochlorinated to give trichloroethylene. This can be accomplished either with an aqueous solution of calcium hydroxide: 2 Cl 2 CHCHCl 2 + Ca(OH) 2 → 2 ClCH=CCl 2 + CaCl 2 + 2 H 2 O. or in the vapor phase by heating it to 300–500 °C on a barium chloride or calcium chloride catalyst: Cl 2 CHCHCl 2 ...