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Re: Inexpensive way to treat waste water


It sounds like their design process may be beyond this already, but
no-clean fluxes are avilable for some applications.  A contact to assess
this possibility would be:

Holly Evans
IPC Director of EHS Programs

IPC stands for the Institute for Interconnecting and Packaging Electronic

They are also putting up a Web site called the Printed Wiring Board
Resource Center co-developed by NCMS and the IPC.  Same contact.

Terry Foecke

>I have been asked by one of my co-workers for some information on how to
>treat water for a new circuit board manufacturer.
>The manufacturer is starting up the business and is interested in ways to
>water before release. However, they do not want to spend a large amount of
>money until the business is bigger. They have talked to another local
>who has a closed loop system which they would like to go toward in the future
>but cannot justifying spending 200K at this time when their production rate
>We have recommended that they test the water to see exactly what
>components will be in it. They are aware of local requirements.
>The process is flux, wave solder and wash. They will be using a water-soluble
>flux and a wash with some detergent in it until the closed-loop deionized
>system comes on line. Some lead is expected in the rinse water.
>Any information on inexpensive waste water treatment will be appreciated.
>Kirsten M. Koepsel
>Texas Manufacturing Assistance Center
>7300 Jack Newell Blvd., South
>Fort Worth, TX  76118
>817-272-5977 (fax)
>kkoepsel@arri.uta.edu (e-mail)