MIXING SYSTEMS, INC.

CASE HISTORIES

Bleached Kraft Mill - British Columbia No. 1

• Activated sludge treatment
• Flow - 17 MGD (66,000 M³/day)
• Design BOD₅ load of 53,000 lbs/day (24,000 kg/day)
• Dimensions - 650 ft x 230 ft (198 M x 70 M)
• 33 ft (10 M) deep
• Total volume - 35 million gallons (132,000 M³)
• Four directional mix jet aerators
• Counter clockwise flow pattern
• Four 150 HP vertical pumps and one 1500 HP centrifugal air blower
• 98% BOD₅ removal efficiency consistently achieved
• Mixing Systems, Inc. jet aerators were selected for trouble free operation in a cold climate. Temeratures vary from -40° to 90° F (-40° to 32° C).