Yorkshire WWTP: 11% Less Polymer in Dewatering
QEQI® i160 cut polymer demand 11% in sludge dewatering at Yorkshire Water’s Esholt plant, output quality held.
Industry: Waste Water
Walla Walla: Scale Returned When the Unit Was Off
A cleaned belt press drum at Walla Walla stayed struvite-free for eight weeks, then scaled again within weeks of the QEQI® unit being switched off.
Utah Screw Press: 30 Hours of Cleaning Down to Four
A Utah plant stopped $8,000 a month of struvite chemical and cut screw press cleaning from 30 hours to under four with one QEQI® Custom 8 inch unit.
Tulsa: No New Struvite on the Test Drum in 90 Days
Tulsa Southside WWTP kept a cleaned belt press drum free of new struvite for 90 days, then funded treatment for the header serving all five presses.
Texas DAF: 50% Less Chemical, 6x Cleaning Interval
A Houston packaging facility cut polymer and chlorine 50% and extended its DAF cleaning cycle from 1 to 6 weeks.
Orlando Belt Press: Pan Scale 5 mm to 1 mm in 150 Days
Orlando’s Water Conserv II ran belt press No. 5 for 150 days without cleaning, cutting pan scale from 5 mm to 1 mm and polymer use by around 20%.
Maple Leaf Canada: 50% Ferric Cut, $47.5k Saved
Two QEQI® Custom units cut ferric chloride dosing up to 50% while holding discharge compliance at a Hamilton food WWTP.
Luton WWTP: No New Struvite Scale in Centrate Lines
A QEQI® unit prevented further struvite scaling in centrate lines at Thames Water’s East Hyde works in Luton.
London Ohio: Half the Roller Holes Open in 35 Days
The City of London Wastewater Department cleared over half its belt press first-roller holes in a 35 day trial, with no chemical or mechanical cleaning.
Italy Flotation Plant: 20% Less Chemical, Clearer Water
A QEQI® P60 unit cut polyelectrolyte use 20% and reduced turbidity at Global Carni’s flotation plant in Italy.