Browse Research Projects -- Illinois Sustainable Technology Center by Subject "Metalworking fluids"

  • Rajagopalan, Nandakishore; Wentz, J.E.; Kapoor, S.G.; DeVor, R.E. (Champaign, IL : Illinois Sustainable Technology Center, 2006)
    Microfiltration can increase the service life of metalworking fluid by removing contaminants. However, membranes quickly become clogged, a process known as fouling. Anti-fouling methods in practice in the mid-2000s involved ...

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  • Eppert, Joseph J.; DeVor, Richard E.; Kapoor, Shiv G.; Rajagopalan, Nandakishore (Champaign, IL : Illinois Sustainable Technology Center, 2003)
    Some metalworking fluids are designed to coat the surfaces of newly machined metal with rust inhibitors. At some point, these inhibitors are expected to become depleted in the metalworking fluid. How quickly does this ...

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  • Rajagopalan, Nandakishore; Lindsey, Tim; Skerlos, Steven J. (Champaign, IL : Illinois Sustainable Technology Center, 2001)
    The use of ultrafiltration (UF) applications with alkaline cleaners was a common practice as of 2001, but at the time UF was still susceptible to fouling and stripping out active agents from the cleaners. ISTC’s Kishore ...

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  • Wentz, John E.; Kapoor, Shiv G.; DeVor, Richard E.; Rajagopalan, Nandakishore; Gilmer, Jessica; Eppert, J.J. (Champaign, IL : Illinois Sustainable Technology Center, 2007)
    It was initially thought that no metalworking fluid could be developed to meet industry specifications and be compatible with membranes to use microfiltration to remove contaminants. However, Rajagopalan’s team developed ...

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  • Rajagopalan, Nandakishore; Deluhery, Jennifer (Champaign, IL : Illinois Sustainable Technology Center, 2005)
    Metalworking fluids are an emulsion of oil in water. The emulsion stability goes down with increased harness ions such as calcium and magnesium. Typical tests for emulsion stability involve the determination of oil losses ...

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