KCH Services, Inc.

Horizontal Cross-Flow Scrubbers



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.

KCH offers the following standardized line of Horizontal Cross-flow scrubbers:

  • 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.

  • 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.

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