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Fixed Activated Sludge Treatment System

The Modular FAST® is a biological, fixed-film treatment system specially designed to accommodate the constant fluctuations encountered by small-flow and on-site applications — from peak flows caused by infiltration to low flow periods. Such flow fluctuations demand a wastewater treatment system that can adapt quickly like the patented Modular FAST® by Smith & Loveless.


Flows Up to 1,000,000 GPD (3,800 cmd)
Higher flows for field-erected systems
Models Factory-Built, Field-Erected, Steel & Concrete
Design MOD, TSS & Nutrient Removal

Features & Benefits

• High-quality effluent extends leach field life.
• May reduce leach field size requirements.
• Handles wide flow variations. Fixed-film FAST® media prevents biomass washout.
• Aesthetically pleasing design allows the system to be completely below grade, if desired.
• Less expensive than standard pre-fabricated package treatment systems.
• The system requires minimal operator attention and no return activated sludge.
• Achieves nitrification and denitrification when appropriately configured.

Municipal Applications
• Schools and Universities
• Housing Developments
• Office Parks
• Resorts and Hotels
• Botanical Gardens
• Shopping Centers
• Restaurants
• Golf Courses
• Parks/Campgrounds
• Municipalities

Industrial Applications
• Food and Beverage
• Wineries
• Groundwater Cleanup
• Petrochemical/Chemical
• Aerobic Polishing
• Pharmaceutical

Retrofit Applications
• Increased Flow Capacity
• Nitrification/Denitrification
• Combination of Increased Capacity and Nitrification