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I plan on using sodium metabisulfite for CN destruct. I want to control metabisulfite addition controlling through CN specific ion electrode. I thought this was better than ORP, any thoughts?

Is it possible to do a batch treatment for CN destruct in a single tank using the INCO process? If so how long is a typical reaction time for each sequence. By way of reminder here is a post from krea0824 on February 8, 2008. "One of the environmental management controls of our mining plant is...

Artisi and Quality Time A great lesson in troubleshooting pump noise, air entrainment problems from mixers, NPSH and so forth Based on this education, going to use variable speed centrifugal pumps, keep the EQ tank large and deep and also going to use submersible pumps. Going to independent...

Artisi Thanks for this great tip, I thought as much so I am going to go ahead and make necessary design changes based on your input.

Sorry about the busted link. This link works.http://www.liqsolsep.com/submersible_pump_and_mixer.html

Artisi(and others) Please see URL for diagramhttp://www.mediafire.com/myfiles.php/Engineeringtips_mainfolder/nonferrousmetal_EQtank.jpg

I uploaded diagram to ENGINEERING.com. The name of the file is "nonferrous_metal_EQtank.jpg"

Designing wastewater treatment plant for non ferrous metal processing wastewater treatment in China. The Chinese typically prefer submersible pumps vs dry pit pumps. The tanks that submersible pumps will set in will also have large mixers running at over 100 rpm with a high rate of tank...

To Big Inch. Centrifugal pumps will be less than 250 HP probably 75 to 125 so your information was very helpful.

Where can I find a comprehensive article on building a foundation for a centrifugal pump, including grouting, anchor bolt sizes and number type of epoxy grout to use etc