An online ammonia, nitrate, or phosphate analyzer at an ETP or STP nutrient removal process gets its accuracy verified one way: a calibration check, confirming ..
Anchor bolts holding a pump, blower, or other rotating equipment to its foundation at most ETPs and STPs get checked once, with a torque wrench, at commissionin..
5 min readA chlorine contact tank at most ETPs and STPs gets sized against one number: theoretical detention time, the tank's volume divided by the design flow rate, with..
5 min readPower cables running to a submersible pump, a remote blower, or any motor sitting a long distance from its MCC at an ETP or STP get sized, overwhelmingly, again..
5 min read
An L1 Tender Can Pick the Cheapest Equipment and Still Buy the Most Expensive Plant · 5 min read 
A Blower Intake Filter Can Be Changed Right on Schedule and Still Be the Wrong Filter for the Day It Was Changed · 5 min read 
A Flow Meter's Calibration Certificate Can Be Perfectly Accurate and Still Mislead You Most of the Day · 5 min read 
An Underground Tank Can Be Structurally Correct Full and Still Float Out of the Ground Empty · 5 min read 
An Activated Sludge Plant Can Hold Its F/M Ratio Steady and Still Lose Nitrification Underneath It · 5 min read 
A Motor's Insulation Resistance Test Can Pass Every Year and Still Be Telling You It Is About to Fail · 5 min read Loading...
