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BHS-Sonthofen Inc.

Charlotte,  NC 
United States
  • Booth: 931

BHS expertise is thin-cake (3 mm - 25 mm) filtration, cake washing and drying.  We have technologies based upon both pressure and vacuum filtration, for batch or continuous operations from high solids slurries (up to 50% solids) to clarification applications with solids to 1% and less (trace amounts) including CIP and FDA validation.


BHS filters provide alternatives to centrifuges, Rosenmund filter-dryers, rotary vacuum filters and filter presses as well as manual plate filters, bag filters and other conventional separation equipment.  Our units offer full containment and automatic discharge of solids.  Each of the technologies is available in a small scale kilo-lab unit to over 200 m².  Preliminary bench-scale tests can be conducted either in our labs in Charlotte or at your facility to determine the most applicable filtration method for your specific application.  

 Press Releases

  • Perlmutter Unfiltered, is a blog by Barry A. Perlmutter regarding solid-liquid separation.  Barry is currently President and Managing Director of BHS-Sonthofen Inc., a subsidiary of BHS-Sonthofen GmbH. BHS is a manufacturer of filtration, washing, and drying technologies.  Barry has over 30 years of technical engineering and business marketing experience in the field of solid-liquid separation including filtration, centrifugation, and process drying. He has published and lectured extensively worldwide on the theory and applications for the chemical, pharmaceutical, and energy/environmental industries and has been responsible for introducing many European companies and technologies into the US marketplace.