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Monroe Environmental can provide complete multi-stage air scrubbing systems for a wide variety of applications. High temperature and volatile chemical processes often require a more complex, customized air scrubbing solution than what a simple packed tower scrubber or venturi particulate scrubber can provide.
Air Pollution Control Expertise
In many cases, several technologies must be integrated together to provide adequate removal and treatment efficiencies. Monroe’s experience includes the engineering and fabrication of customized multi-stage scrubbers utilizing the following equipment:
Monroe has the experience and knowledge to evaluate your process and recommend a customized scrubbing solution for your specific application. We have successfully treated contaminated air streams from nearly every high temperature emissions application across a variety of industries and processes.
Multi-Stage Scrubbing System Example Configurations
Solutions for High Temperature Scrubbing Processes
Monroe Environmental provides gas scrubbing systems for combustion processes including incineration, oxidation, flame laminating, glass coating, and other high temperature operations exhausting dryers, ovens, furnaces, gassifiers, reactors, and kilns.
Monroe Scrubbing System at Industrial Waste Facility
20,000 CFM — Incinerator Exhaust Scrubbing, Stainless and Mild Steel Construction
Ceramic-lined steel ducting – Corrosion and temperature control
Rapid water quench – 2,000°F to less than 200°F
Adjustable Venturi Scrubber – Particulate removal
Horizontal Clarifier tank – Solids settling
Packed Tower Scrubber – HCl scrubbing
Carbon/filter housing – Final filtration and discharge polishing
Scrubbing Systems for Chemical and Compound Reclamation
Contaminants formed in these processes are frequently highly corrosive, hazardous, and/or difficult to remove. Removal often requires contaminant incineration at temperatures exceeding 1,500°F. Through proper quenching and gas conditioning techniques, Monroe can provide reclamation of costly chemicals and compounds contained within the off-gasses.
Monroe Scrubbing System at Grease Production Plant
15,000 CFM — Mild Coated Steel Construction
Dual-Throat Venturi Scrubber to remove particulate
Drag conveyor to remove settled material
Oil Skimmer (right) to recover condensed grease
Packed Tower Scrubber to remove hydrocarbon vapors
Most Cost-Efficient and Effective Fume Scrubbing Solutions
Monroe Environmental engineers analyze each application individually to determine the most cost-efficient, effective solution. Monroe has an extensive arsenal of standard wet air scrubbing equipment offered in a variety of standard and special construction materials backed up by over forty years of experience in solving such complex problems.
Dual-Train Wet Scrubbing System
Flame Laminating Exhaust Treatment Multiple Venturi and Caustic Scrubbing
For some applications, multiple Packed Bed Scrubbers in series provide the best contaminant removal solution. This type of scrubbing system is common when there is a high pollutant loading or when removal efficiencies greater than 99.9% are required. Having multiple scrubbing stages also allows the use of different scrubbing solutions within a single scrubbing system for removal of different contaminates within the same air/gas stream.
Multi-Tower Scrubber — Toxic Gas Incineration
1,253 SCFM — Stainless and mild, coated steel
Quench stack: 2,000°F to less than 190°F
(3) Phase Packed Bed Scrubber with sub-cooling loop: metals, condensables, HCl, SO2, and NOX removal
High energy Venturi Scrubber: submicron particulate/aerosol removal
Electric gas reheater
Dry injection fabric filter baghouse with PAC for final acid gas removal