[Jewelry making - Article 00058] - Re: [Orchid] Ventilation

[James Binnion]

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>            A ceiling mounted filtration unit from JET has also been
>     recommended. Simply exhausting the air doesn't seem right,
>     filtration does. We certainly have our work cut out getting up to
>     speed on this. 

    The JET unit is worthless for the size particles generated in a
    jewelry studio. It is meant for woodworking  so it removes much
    larger particles not the fine ones like investment and polishing
    compounds. With regards to the idea of filtration you would need a
    HEPA style filter that is good to sub .3 micron to get the harmful
    dusts out of the air. This is an expensive filter that will require
    a very powerful expensive fan motor to move the air through it.
    Neither filter will do anything for fumes so you would need to add a
    charcoal bed fume absorber as well. A complete and proper filtration
    solution could cost more than the rest of the studio.  Remember "The
    Solution to Pollution is Dilution"  exhausting the air is probably
    your best option. 

Jim



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