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Also known as Wet Scrubbers, Fume Scrubbers or Gas Scrubbers
Cross Flow Scrubber with Fan and Common Base
KCH designs, manufactures, and installs a variety of corrosion resistant scrubber systems for many applications requiring control of Hazardous Air Pollutants (HAPs) or control of noxious odors. Our scrubbers are available in corrosion resistant materials such as PVC, FRP, Polypropylene, POLYSTRONG®, POLYLAST®, and SS.
Sizes from 100 CFM to 80,000 CFM in one vessel.
 Counter-current Vertical Flow (Phaser or Omni Series) |
| Cross-current Horizontal Flow (Hedron Series) |
| Bidirectional Flow (Low-Key Series) |
Vertical Counter-current Scrubbers typically provide the most efficient removal of soluble acid gases. Counter-current refers to the direction of the contaminated airstream in relation to the fluid that scrubs it.
| Phaser Series Scrubbers – Standard sizes in 100 to 24,000 CFM. Optional high velocity sizes up to 80,000 CFM. Equipped with self contained or remotely installed recirculation system. Optional inlet and outlet orientations. |
| Phaser III Series |
| Phaser V Series |
| Omni Series Scrubbers – Integral Fan Mounted on Top of Unit. Standard sizes in 100 to 12,000 CFM. Ultimate space saver. Equipped with self contained or remotely installed recirculation system. |
| Omni III Series |
| Omni V Series |
Horizontal Cross-flow scrubbers are commonly used in the surface finishing industry where space is limited and inlet loadings are relatively low. The rooftop is an ideal spot for these compact scrubbers if headroom is insufficient.
| Hedron Horizontal Flow Fume Scrubber - Standard sizes from 500 to 30,000 CFM. Optional Sizes up to 70,000 CFM. Equipped with self contained or remotely installed recirculation systems. |
| Hedron HV Horizontal Flow Fume Scrubber - Standard sizes from 500 to 70,000 CFM. Equipped with self contained or remotely installed recirculation systems. This unit provides excellent scrubbing efficiency at a high velocity and flow rate. Smaller footprint. Best suited for lower inlet loadings. |
Bidirectional flow scrubbers utilize multiple stages of concurrent and counter-current flow in one unit to scrub a variety of noxious gases and odors. They are commonly recommended when multiple compounds need to be removed from one airstream.
| Chemical Resistant Vertical Centrifugal Pump |
| Full cone non-clogging nozzles |
| Removable spray headers |
| Schedule 80 PVC or CPVC plumbing and valves |
| Chevron Baffle Mist Eliminators |
| Packing support plates |
| Rugged corrosion resistant steel base, phosphate sealed, and powder coated |
| Clear access doors for inspection |
| Strategically designed components help to make our units low-maintenance |
| All stainless steel hardware |
| Self contained or remote recirculation tanks |
| pH Probe and Analyzer |
| Chemical Metering Pumps for pH Control |
| Sump Heaters |
| Differential Pressure Indication |
| Inlet/Outlet Transitions |
| Redundant Pump |
| Fresh Water Flow Meters |
| Liquid Level Control |
| Recirculation Liquid Flow Indicators |
| Motor Control and Alarm Panels |
| Nitric Acid |
NOx |
| Hydrochloric Acid |
Hydrofluoric Acid |
| Sulfuric Acid |
Phosphoric Acid |
| Ammonia |
Hydrogen Sulfide |
| Mercaptans, Reduced Sulfur Compounds |
Nitrogen Oxides |
| Chlorine |
Formaldehyde |
| Cyanide |
Bromine |
| Hydrogen Bromide |
Caustic Solutions |
An Exhaust Fan forces or induces the polluted gas stream through Corrosion Resistant Ductwork and into the Wet Scrubber vessel, where it encounters liquid to gas contact from the scrubbing solution and packing media with high surface area. The polluted gas stream is chemically absorbed into the liquid scrubbing solution through mass transfer. The clean air stream then passes through a Mist Eliminator, which separates entrained mist droplets from the air stream through inertial impaction and mechanical impingement. The clean airstream is then exhausted to atmosphere. Some gases, such as HCL, can form an aerosol or "acid fog" inside the Wet Scrubber vessel as it cools. To mitigate this problem, a high efficiency Composite Mesh Pad Mist Eliminator is incorporated into the design.
For nearly 40 years, KCH Services Inc. has provided Engineered Systems for a range of Industrial and Municipal applications. We are a market diversified business with both in house manufacturing and engineering.
