Standard & Custom-Built Fume Scrubbers & Exhaust Systems

Now available from Mech-Chem Associates, Inc. Click here for more information

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Air Pollution Control Systems

Industrial air pollution receives enormous attention from the public and the press, making it not only a manufacturing concern, but having an impact on the entire company. Mech-Chem recognizes the importance of proper air emission control to not only meet EPA regulations, but the expectations of your customers and the public.

Mech-Chem's services in Air Pollution Control Systems include:

  • Fume Scrubbers and Exhaust Systems
  • Push/Pull Ventilation Systems (Photo below)
  • Gas Adsorption Systems
  • Particulate Filtration Systems
  • Carbon Absorption Systems
  • Gas/Acid Scrubbing Systems
  • Tank/Equipment Venting

In order to establish the appropriate design of air emission control systems for gases, chemical vapors and acids, the following items are evaluated:

  • Gas Flow Rate
  • Liquid Flow Rate
  • Inlet Gas Composition
  • Outlet Gas Composition
  • Scrubber Efficiency
  • Mass Transfer Coefficient
  • Superficial Velocity
  • Flood Point
  • Packed Bed Area
  • Packed Bed Length
  • Liquid pH Level

Mech-Chem has conducted technical and engineering evaluations in air emissions to meet EPA standards for the release the fumes from:

  • Acids, including nitric (HNO3), hydrochloric (HCl), hydrofluoric (HF), phosphoric acid (H3PO4), and sulfuric acid (H2SO4)
  • Metallic contaminants and particulates
  • Solvents including: toluene, ethyl acetate, methanol, ethanol, isopropanol and tetrahydofuran


Case Study - GE Aircraft Engines

Mech-Chem engineered, designed, and constructed two Air Emission Control Systems for the plant's Meltout Operations. The systems are non-aqueous processes which were designed to contain and remove metallic contaminants with a particle size of 0.3 microns or larger.

Air Emission Control System Mech-Chem provided GE Aircraft Engines with the design, engineering, construction, installation, and start-up of two Air Emission Control Systems that remove oil and lower the fugitive metal contaminants (i.e. Lead, Cadmium, Antimony, Arsenic, Bismuth, and Tin) in the air stream vented from meltout processes.

The Air Emission Control Systems met or exceeded the primary EPA Action Levels for the State of Vermont for Cadmium and Tin.

In addition, this unique design avoided the use of a wet scrubber and the subsequent requirement to treat a contaminated aqueous waste stream.