It depends on the type of cutting fluid that is being used, the quantities involved and the machining requirements. There are a number of well proven ways that synthetic cutting fluids can be recycled and a lot of info available. Check out http://wrrc.p2pays.org/industry/indsectinfo.asp?INDSECT=45 . References are a little dated, but the basics have not changed. Good luck.
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Greetings from Busan Korea. Jeff and I are in a meeting and we are being asked about alternatives to extend the life of cutting oil. Does anyone have an option for reuse of cutting oil, or any specific options for this company?