pH and alkalinity improvement in a municipal wastewater clarifier

Omya Optical® – Natural Alkalinity Support

A Natural Product to Enhance the Activated Sludge Process

Optical® is a non-corrosive powder or slurry that is more cost-effective than industry standard water treatment options and efficiently manages pH and alkalinity.

Omya Optical® provides the following benefits over  lime, caustic soda, and magnesium hydroxide  used in wastewater treatment:

  • Non-corrosive – unlike lime or caustic soda
  • Buffers naturally in desired pH range
  • Faster sedimentation of large, dense flocs
  • Improved dewatering and polymer consumption
  • Dry product is hygroscopic – does not clog like lime
  • Reduced turbidity and suspended solids
  • Price has low variability
pH and alkalinity improvement in a municipal wastewater clarifier

Managing alkalinity and pH of wastewater is essential for effective nitrification, sludge dewatering, and floc formation. Omya Optical® buffers naturally, is safer to handle than sodium hydroxide or lime, and provides long lasting control.

pH graph

LIME CAUSTIC SODA MAGNESIUM
HYDROXIDE
OMYA OPTICAL®
COST $ $$$ $$$ $
MAXIMUM pH 12 14 9 8
MAINTENANCE HIGH LOW HIGH LOW
SAFETY HAZARDOUS HAZARDOUS NON-HAZARDOUS NON-HAZARDOUS
FORM DRY/SLURRY SLURRY SLURRY DRY/SLURRY

USP Technologies

1375 Peachtree Street NE, Suite 300 N

Atlanta, GA 30309

Toll-free (877) 346-4262

Phone (404) 352-6070

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USP - Canada

3020 Gore Road

London, Ontario N5V 4T7

Toll-free (877) 346-4262

Phone (404) 352-6070

 View a Map

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