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Maximize pH Sensor Performance
Over the last several months, we have had difficulty with calibration of our pH sensors, particularly the pH adjustment sensor that controls pH in the range of 9.1– 9.5 for precipitation. Somehow the sensor still works well enough for us to achieve...
Ask an Expert Published: 1/1/2008
Evaporation Water Loss
Do you know of any papers or charts that give water evaporation rates? We have an opportunity to reduce our cleaner tank temperature from 180 to 80°F and want to know how much water we can save.
Ask an Expert Published: 1/1/2008
Plating Line Conversion
What impact would zinc nickel have on our wastewater treatment system? Are there any other environmental issues?
Ask an Expert Published: 11/1/2007
Palladium Reclamation
What is the best way to treat this rinse water to reclaim the palladium? I’ve heard reclaiming palladium can be costly. Is it even worthwhile to treat this rinse water?
Ask an Expert Published: 11/1/2007
Nitrite Violation
Can the city issue a notice of violation for something not in our permit? And is there an easy way to remove nitrites from wastewater?
Ask an Expert Published: 9/1/2007
Acid Nickel Recovery
I’m searching for a qualified supplier of an acid nickel recovery system for our plating rinse water.
Ask an Expert Published: 9/1/2007
Leaky Joints in Wastewater Piping
Looks like our replacement project failed. Before we try again, do you have experience with this issue?
Ask an Expert Published: 9/1/2007
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.
Ask an Expert Published: 7/1/2007
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 chro...
Ask an Expert Published: 7/1/2007
Changing from Lime To Magnesium Hydroxide
We are considering switching to magnesium hydroxide since jar tests performed by a chemical supplier indicate a 30% reduction in filter press cake at a pH of 8.5. Our flow consists of 2/3 tumbling and 1/3 nickel-chrome plating with a combined flow o...
Ask an Expert Published: 5/1/2007

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