Case Studies
Monroe Environmental has been designing and building pollution control systems for over 50 years. This experience has provided us with the expertise to solve complex problems that require specialized knowledge and advanced manufacturing capabilities.
Our team of engineers, in conjunction with our experienced shop technicians can design and build complete systems capable of treating contaminated water and air streams that contain several toxic pollutants.
Air | 250,000 CFM Mist and Dust Collection Solution for Construction Equipment Manufacturer
A high-production manufacturing facility that makes engines for heavy-duty construction equipment was expanding operations and needed to control mist, fumes, and dust generated from various machining, grinding, and polishing centers on the plant floor.
Water | Solids Contact Clarifier for Paperboard Mill Installed in Two Weeks
Solids Contact Clarifier with a specialized turbine impeller designed to fit into an existing tank. To meet the two-week downtime deadline, all components had to be pre-assembled and checked for a perfect fit before on-site installation.
Water | Wastewater Clarifiers Meet New Molybdenum Regulations at Hazardous Waste Landfill GalleryWater | Wastewater Clarifiers Meet New Molybdenum Regulations at Hazardous Waste Landfill
Clarifier Rebuilds/Retrofits, Lamella Plate Vertical Clarifier, Thickeners, Water & Wastewater Treatment Case Studies
Water | Wastewater Clarifiers Meet New Molybdenum Regulations at Hazardous Waste Landfill
A hazardous waste landfill required an upgrade to its wastewater treatment system to comply with new, more stringent molybdenum regulations. Monroe Environmental helped design and implement a solution.
Water | Secondary Clarifier Rebuild Featuring X‑Flo Mobile Clarifier for Emergency Bypass GalleryWater | Secondary Clarifier Rebuild Featuring X‑Flo Mobile Clarifier for Emergency Bypass
Circular Clarifiers, Clarifier Rebuilds/Retrofits, Secondary Clarifiers, Water & Wastewater Treatment Case Studies, X-Flo Mobile Clarifier
Water | Secondary Clarifier Rebuild Featuring X‑Flo Mobile Clarifier for Emergency Bypass
With Monroe’s X‑Flo Mobile Clarifier™, a permanent clarifier upgrade/replacement can be done at any time while keeping the plant treating water throughout the whole process.
Water | Horizontal Plate Clarifiers Treat Power Plant Stormwater
A coal fired power plant needed an upgraded stormwater treatment system to properly deal with high levels of coal ash (from coal pile run-off), solids, and oil prior to discharge.
Water | Horizontal Plate Clarifier Turnkey System
Clarifier/Sludge Handling Package for Metal Forming & Stamping Plant to remove solids, metals, and oils from e-coating operation wastewater.
Air | Multi-Stage Mist Collector for Zinc Strip Rolling Mill Upgrade
A zinc strip rolling mill was having repeated issues with its existing fume/mist collection system – short filter life and frequent maintenance events – which added up to too much $$ being spent.
Air | Extending the Life of an Existing Fume Scrubber
Monroe Environmental is expert in troubleshooting and rebuilding a competitor’s wet scrubbing system to bring it up to like-new efficiency and performance standards.
Water | X-Flo Mobile Clarifier™ Provides Mobile Treatment for Pipeline Test
A large energy utility needed to conduct pressurized testing of new gas pipeline. A Monroe X-Flo Mobile Clarifier separated the TSS and clarified the water prior to disposal.
Water | Vertical Plate Clarifier Removes Mercury & Humic Acid
A company that produces testing and measurement equipment needed to remove solids containing mercury and acid fines from their incoming process water stream.
Air | Packed Tower Wet Scrubber – SO2 Removal
Monroe Packed Tower Wet Scrubber for wastewater treatment plant to absorb and neutralize SO2 from bio-solids incineration exhaust.
Water | API Separator for FOG Removal
Monroe engineers were able to help one of the largest potato and corn chip producers in the world meet a strict deadline to achieve lower levels of FOG in their effluent discharge.
Water | Circular Clarifier for Steel Mill Upgrade
Monroe Environmental saves steel mill $145,000 on clarifier rebuild/retrofit for blast furnace wastewater and meets stringent performance requirements.
Air | Fiber Bed Mist Collectors for PM2.5 Reduction
Monroe Fiber Bed Mist Collectors control & filter off-gasses from asphalt storage tanks prior to gas adsorption.
Water | Lamella Clarifier Retrofit
Rebuild of two underperforming Lamella Clarifiers to address the stresses of elevated liquid temperatures, and internal structural and process deficiencies.
Water | Detroit Wastewater Treatment Plant
Monroe Clarifier rebuilds replace internal components and convert sludge rakes to higher efficiency spiral scrapers at City of Detroit WWTP.
Air | Packed Bed Scrubber Solves Toxic Gas Issues
30,000 CFM Horizontal Packed Bed Wet Scrubber System absorbs and neutralizes acid gasses from acid dip tanks.
Air | Multi-Stage Scrubbing System for Incinerator Exhaust
Monroe Environmental provided a multi-stage wet air scrubbing system for HCl and particulate removal from incinerator exhaust at an industrial waste plant.
Water | Steel Coil Process Equipment & Wastewater Treatment System
Monroe engineered & oversaw the redesign, retrofit, & installation of a multi-million dollar steel coil cleaning line upgrade at a galvanizing plant.
Air | Halide Recovery at a Major Glass Products Plant
Custom designed Multi-Stage System – process gasses treated with a series of scrubbers, and wastewater was treated with a Monroe compact clarifier.
Water | High Torque Thickener Clarifier
Monroe Circular Thickener Clarifier provides effective separation of dense, sticky solids from gypsum wastewater.
Air | Carbon Adsorber for Odor Control
Monroe Environmental designed and built a 10,000 CFM multiple-tray Carbon Adsorber to filter the air stream and remove foul odors from a granary.
Air | Glass Resin Scrubbing System
Custom designed Multi-Stage System to provide high efficiency scrubbing of the phenol & formaldehyde, as well as separation and removal of the dust particulate.
Water | Vertical Clarifier for River Water
Lamella-type Plate Clarifier is providing the same amount of settling capacity as a 12-foot diameter Circular Clarifier.
Air | Dust Collector for Sandblasting
Monroe designed and installed a 6,000 CFM Cartridge Dust Collector to capture the exhaust from a sandblast and painting bay.
Air | Oil Mist Collector for Fiber Plant
Monroe Multi-Stage Mist Collector operates at 95% efficiency, treating 0.3 micron sized oil mist particles for synthetic fiber plant.
Water | Rebuild of Two 130' Secondary Clarifiers
Monroe's Clarifier rebuild maximized clarifier uptime with rapid installation and allowed the plant to return to normal operating procedures after 3 days.
Water | Horizontal Clarifier for PVC Plant Wastewater
Monroe Horizontal Plate Clarifier provides cost-effective expansion of manufacturing capacity via wastewater reclamation and re-use.
Water | Parallel Plate Modules in Existing API Separator
Monroe Environmental increased oil & solids removal in an existing API Separator by retrofitting with parallel plate modules.
Water | Air Stripper for WTP
Monroe Air Stripper removes 99.97% of the influent contaminants, predominantly TCE from groundwater source for a water treatment plant.
Water | Oil Recovery Unit for DTE
Monroe belt skimmer retrofit for oil reclamation from underground wastewater holding tanks at America’s 2nd largest coal-fired power plant.