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solvent recovery

A small business is interested in recovering solvent vapor from a ceramic slurry
composed of ceramic powder mixed with trichloroethylene.  The solvent is used to
dissolve the binder and the slurry is spread out on a plastic surface to dry
(solvent vaporizes).  The end product is then used as a standard for electronic
products.   Currently, there are no process controls, e.g. hood vents.
This is a small operation, using less than 5 liters a day of solvent.  
The owner is investigating a less toxic alternative to the trichloroethylene.

Does anyone know of an inexpensive way to collect the solvent vapors?  Or maybe
a better way to produce the product?  I'm not familiar with this type of
process, so this is a new one for me.

I'd appreciate some guidance.  Thank you!