An Innovative Approach to Final Rinse Operations in E-Coat Systems Using Membranes

Event Time

Originally Aired - Wednesday, April 20 1:30 PM - 2:00 PM EST (Eastern Standard Time)

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Event Location

Location: Harmony


Event Information

Description:

The presentation will discuss a novel approach for the final rinse process that can help coaters reduce fresh water consumption, reduce operating costs and meet sustainability goals. A practical example of this approach will be shared.  

Title: An Innovative Approach to Final Rinse Operations in E-Coat Systems Using Membranes

Type: Learning Station II: Sustainability

Abstract:

Membranes are commonly used to recover valuable paint solids from the early rinse stages following the E-Coat step.  The permeate is then recycled and reused in the early rinse stages.  To maintain the strict quality standards of the final product, deionized (DI) water is typically used for the final rinse stage in the process.  Overflow from the final rinse stage is not typically recycled back to the earlier rinse baths, creating added costs and complexity in having to treat this waste stream, as well as increasing demand for fresh, purified water from these DI systems.  
 

A growing number of E-Coat process owners have been consulting with Solecta to employ a more holistic approach to water management and total system reliability that avoids a separate DI rinse stream in the E-Coat process and associated unique maintenance and training needs for the DI system. 
 

The issue for E-Coat process owners and operators is a need to find ways to recycle and reuse water and reduce the dependency on a separate DI water stream without compromising quality of the final product. Utilizing a membrane approach for the final rinse system enables cost savings, water savings and a more streamlined and reliable operation overall. 


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