Pollution Control
Saving Water Plating PCBs
A new manufacturing process at Allied Signal required clean-room technology and high-quality rinse water, increasing the rinse water flow rate. But, the company was able to reduce costs with the addition of a special treatment system...
Read MoreAllowable Limits for Phosphate Waste
Question: We are about to incorporate a batch powder-coating system into our production and intend to phosphatize a very small amount of bare steel sheet prior to coating.
Read MoreDelisting Plating Waste
Question: Several months ago, we changed our metal finishing operations so that we are only performing non-cyanide zinc plating on carbon steel followed by chromating.
Read MorePainting Brass
Question: I have a design that requires the use of brass (No. 360 copper alloy). This design requires that some portions be painted (epoxy primed and polyurethane topcoated). I have no experience painting brass and/or know if this alloy is even “paintable.” Could you provide some insight into this matter and recommend how to best prepare the surface for painting?
Read MoreReplacing Cr Tanks and Meeting MACT Limits
Question: I am the plant manager of a small, hard chrome plating job shop.
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NKT Improves Plating with Filtration
This Danish plater installed a permanent-media filtration system on its second automated barrel plating line...
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Catalytic Oxidizers and Title V Requirements
It is important to understand the various aspects of catalytic oxidation and consider options such as monitoring inlet/outlet temperatures, T across the catalyst, periodic laboratory testing of catalyst samples and preventive maintenance procedures as means of assuring continuous compliance…
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Encapsulating Hard-Chrome Plating Tanks
Eliminating emissions, stack testing, fume scrubbers...
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