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Electrocoating (or E-coat) Rinse Water requires RO or DI Water. Met-Chem designs and engineers Rinse Water Treatment Systems for Electrocoating and other industries that require very pure water. Each system is customed designed to meet or exceed the water purification standards specified by your paint supplier. The RO or DI water can be used for rinses and make-up water for the paint tank.
The water from the rinse tanks will need to be purged or flushed periodically. This wastewater must be treated before it discharged to the sewer. Met-Chem manufactures and engineers Wastewater Treatment System for Electrocoating.
Please Contact Met-Chem today to speak with an expert who will help custom design a system to fit your specific water treatment needs.
There are various water polishing schemes to purify water. Met-Chem will engineer the most cost-effective way to reach the purification level you are targeting.
In the diagram above, city tap water is run through the Activated Carbon Filter, and it will remove organic compounds found in water. This will prevent microbial fouling in the Reverse Osmosis System.
The water is then run through the Water Softener. This will protect your Reverse Osmosis System by removing scale-forming elements such as calcium that cannot be removed by the activated carbon filter.
The Reverse Osmosis System creates a very pure form of water. Reverse Osmosis is a water purification process that uses pressure and a semi-permeable membrane to remove dissolved solids. The RO water is stored in a holding tank.
If the RO water needs more purification as specified by your paint supplier, a Deionization System will reduce the conductivity of the RO water. The deionizer will remove trace minerals and charged ions from the RO Water. In the diagram, the RO water is recirculated continuously through the Deionization System where it can be used for rinses and make-up water for the paint tank.
Our Large Volume RO Systems are designed to purify 18,000 to 270,000 gallons per day of water reliably and at an affordable price.
Water used for the e-coat rinses will eventually need to be flushed and treated. A Met-Chem Wastewater Treatment System will treat this water where it can be safely discharged to the sewer.
Met-Chem can develop a Continuous Flow Wastewater System for larger manufacturers. Batch Waste Treatment Systems or Evaporation System are utilized by smaller shops.
Water collected from the rinse tanks will be plumbed and transferred to the equalization tank.
Incoming wastewater from various streams are collected in the equalization tank. The main function and purpose of the equalization tank is to make the wastewater homogeneous. It also maintains the desirable flow rate.
By adjusting the pH (hydroxide ion concentration) of the wastewater, metals become insoluble and they become easier to remove. Typically a two-stage pH Adjustment system is used obtain a specific pH Target. The two-stage pH system is more economical and Saves on Time, Chemicals, and Money.
After the wastewater has had the pH adjusted, it will go into a clarifier, where polymer is added into the flocculation tank. Here the sludge settles to the bottom of the clarifier. Wastewater from the top of the clarifier can be safely discharged. While the sludge will be transferred to the Sludge Thickener Tank.
The sludge from the clarifier is collected in the the Sludge Thickener. This sludge will be eventually processed by the Filter Press. Any overflow will be sent to the pump station.
Contact Met-Chem to custom design a system to fit your specific waste treatment needs.
Phone: (216) 881-7900
Email: info@metchem.com
When there is enough wastewater in the sludge thickener, the slurry from the tank is pumped into the Filter Press. The filter press separates the liquids and solids using pressure filtration. Sludge Cake will form between the filter plates, where it can be safely removed and easily discarded. The filtered water is then sent to the pump station.
Met-Chem manufactures wastewater treatment systems to safely remove toxic metals. Each wastewater treatment system will be custom designed for your specific needs. As your business grows, we can expand your current system, reducing the need to purchase a new costly system.
Met-Chem can offer start-up and installation as an additional option. We can provide full support as you get your system up and running. We have installation technicians and technical representatives that we can send to your facility to make sure the system is running as it should.
All units and systems are complete with manuals and telephone support. However, if you need someone to come to your facility, we will be happy to quote you on that as well.
Met-Chem, Inc.
837 East 79th St.
Cleveland, OH 44103
Phone: (216) 881-7900
Email: info@metchem.com
A Senney Enterprise Company
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