Pollution Control
Plater Finds A Niche In The Medical Plating Market
The medical plating market is not for everyone
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Incinerator Needed for Lead-Free E-Coat?
My question is this: Do we still need to run this incinerator since we aren’t producing anything that would harm the environment, or can we at least turn the temperature down? We currently run it at 1200°F. I have asked, but nobody seems to know.
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Pretreatments: The Next Generation
Emerging technologies can save energy, ease environmental concerns
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Little change, big Results
Now our wastewater treatment operator pays much more attention to the firmness quality of the sludge, and we send out a sludge sample for total solids analysis on a monthly basis. Over the last several years, our annual sludge analysis for TCLP chromium has given results within historical norms.
Read MoreUpper Limits on pH Disposal
My concern centers around the alkaline cleaner stage. Current practice has been to dump this stage as is. Just before the last dump, I checked the pH and found it to be 12.7. I checked our wastewater discharge permit and the only pH limitation it has is that it prohibits pH less than 5.5. In other words, it has no upper pH limit. At my two other jobs, we were told discharging a wastewater of that high pH was “illegal according to EPA.” Since my discharge permit gives me no upper pH limit, am I OK?
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