case histories

QPAC^®: Packed Towers/Wet Scrubbers/Air Strippers 

Odor Control System for Composting of Chicken Processing Waste 

Using Reclaimed Water in Scrubbers With Fouling-Resistant Q-PAC 

Seawater FGD System Uses Q-PAC® to Clean 8,000,000 Nm3/h of Aluminum Smelter Off-Gas

Compact Two-Stage Scrubber saves $500,000 

NH3 & H2S Odor Control at Municipal WWTP 

Plugging Resistance: 34%+ Increase in Scrubber Capacity  

$80,000 per Year in Power Savings 

Plugging Resistance: $8,300 per Year in Power Savings 

MEK Removal: 35% Capital cost savings at wastewater treatment facility

Technical Support Papers: 

Seawater FGD Scrubbing 

Odor Control Scrubber Design 

SO2 Scrubber Design Notes 

BOD Control Systems: 

BOD Reduction. Lagoon Odors Eliminated 

$40,000 per Year in Power Savings for Winery Wastewater

PCE Air Stripping: Superior HTU 

 Plugging Resistance in 2ppm Iron Removal from Potable Water

Improved Efficiency, Increased Methanol Recovery 

$400,000 per Year in Reduced White Liquor Costs 

NUPAC^® 

Aerobic Bioreactor Media – Compact BOD Treatment 

NUPAC in chlorine stripping: 50% Capacity Increase 

Acid Fume Scrubbing: Effective Mass Transfer and Mist Elimination Packing 

Mist Elimination by #2 NUPAC 

MLM^® HEAT RECOVERY MEDIA FOR RTOs 

Pollution Engineering MLM Casebook Article 

Retrofit with MLM in Biosolids RTO to Yield $78,000/year Savings 

18 Hour Overtime Emergency Maintenance Events Eliminated 

 MLM Increases Capacity 50% as Well as Thermal Efficiency

Pollution Engineering Article 

Autothermal RTO Retrofit with MLM Yields $100,000+ Savings per Year 

MLM vs. Conventional RTO Heat Recovery Media 

HD Q-PAC^® FOR BIOLOGICAL APPLICATIONS 

Bioremediation of Fuel Oil Contaminated Groundwater in Fixed-Film Reactor 

Odor Complaints Eliminated at a Municipal Lift/Pump Station 

HD Q-PAC put to the Test Against Lava Rock at Cedar Rapids WWTP 

Trickling Biofilters for Hydrogen Sulfide Odor Control

HD Q-PAC^® FOR OIL WATER SEPARATORS 

Zero Oil Discharge from HD Q-PAC Filled OWS 

Superfund Site Eliminates Severe Plugging with HD Q-PAC 

Significant Improvements Using HD Q-PAC at Car Wash OWS 

Technical Support Papers: 

HD Q-PAC Oil Water Coalescing Media 

HD Q-PAC EN 858-1 Test Method 

HD Q-PAC Defies Stokes Law: Superior Performance due to Low Reynolds Number

ENVIRONMENTAL 

Lantec Random and Structured Media Help Fight Global Warming