Hot Water Pre-treatment

Process Description


Hot water cleaning, or water bath cleaning, uses a large volume of hot water entering from the front windshield compartment to flush out any residual iron, slag, dust and other dirt from the vehicle internals, while softening the grease, easing the degreasing process in the next stage. More complete automobile automotive spraying pre-treatment processes include hot water cleaning, pre-degreasing, degreasing, washing, polishing and phosphate treatment. Water of 40-70°C is used to wash away most of the contaminants, reducing the load on the degreasing process.




  • • Impurities and grease in hot water could clog the nozzles

  • • Accumulation of impurities and grease in recycled hot water, requiring frequent replacement.



Applicable Products


  • • Hydrocyclone

  • • Oil/Water Separator

  • • Ferroclean Magnetic Separation System

  • • Bag Filter


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