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Volume 09 Issue 01
  Volume 11 Issue 2 BHS-Sonthofen Inc.  
     Focus | Featured Article | Technology Application | Innovations | Upcoming Events | Blog 
New BHS Horizontal Dryer Test Unit, AVA Model HTC-VT 140

Focus:  Growth & Optimism

Dear Readers,
First, let me start by saying that this is a difficult moment in the world.  Maybe you know someone that has been impacted or struggled with Covid-19.  Or maybe now you are working from   home.  We have all watched businesses coming to a halt and our daily lives upended. For some, the future looks very uncertain.
Here at BHS, while we are also adjusting to new normals,  we feel a sense of both growth and optimism.  We have added staff, invested in new equipment, and are supporting our clients with innovative approaches. 
This issue will be a little different than past issues, as we will focus on the positives in the marketplace.
As always, thanks again for your feedback and ideas; if you missed any issues, please click on the following link:  A&SoF to view them. 
So, from all of us at BHS, please take care of yourselves, your families, and colleagues.   By bringing out the best in one another, we can rebuild a better world. 
Barry A. Perlmutter

BHS Technology Application: 
New Process Testing Capabilities

BHS is continually updating our process testing capabilities both in the laboratory and in the field. 
  • BHS Pocket Leaf Filter:

    The Pocket Leaf Filter (PLF)  has been improved to allow for visualization of the cake structure, homogeneity, cracking, etc., without opening the unit.  Sight glasses have been included both on the top and cylinder itself to see the cake.
  • BHS Process Filtration Rental Units:

    BHS has a complete range of process filtration rental units for all of the technologies. 
  • Small-Scale Rental Units for Toll Manufacturers
    For toll manufacturers, BHS long and short term rentals as well as “lease-to-buy” options and other approaches to meet the special requirements needs
  • BHS Process Drying Rental Units 
    BHS is expanding our process drying rental units with the AVA horizontal, vertical dryer-mixers as well with our ring-layer mixer.  Testing is done at your site or at the AVA test center in Herrsching (Munich), Germany. 


New Staff Additions: 

David Bray, Process Engineer:  David joins us from eight (8) years at Dow Chemical in Freeport, Texas.  He brings to BHS a wealth of experience and knowledge from his work at Dow from the pilot plant to Senior Production Engineer and Unit Leader.  At BHS, David will be responsible for lab and pilot testing for the full range of the BHS process technologies of reaction, mixing, solid-liquid filtration, dewatering and final drying. 
You can reach David at

Doug Bartus, Account Executive, Process Division:  Doug joins as with over 25 years of sales and marketing experience with process equipment including centrifuges, dryers, filter media, reactors, and solvent recovery systems.  Doug is based in the Philadelphia area and will be responsible for sales and marketing  of the BHS process technologies in the northern-half of North America as well as specific pharma applications.
You can reach Doug at

Contribute to a Holistic Approach to Unit Operations!

As the chemical industry changes and becomes more integrated worldwide, there is a need for information exchange. This must include not only principles of operation but practical knowledge transfer. That’s why I have agreed to edit a new book for Elsevier, “Integration and Optimization of Unit Operations from Lab-Scale to Full-Scale Production.”
This book aims to address the needs of engineers who want to increase their skill levels in various disciplines so that they are able to develop, commercialize and optimize processes. The engineers must be able to ask questions of experts to develop creative solutions.

What Can You Contribute?
Contributing authors should be able to discuss unit operations at each stage and then relate how these technology/process decisions impacts the next stage. Review the preliminary table of contents and let me know what interests you to write about! I look forward to hearing from you.

Read the blog

Upcoming Events:


a.      AICHE Spring Meeting:  Houston, Texas, 29 March – 2 April 2020,; BHS will be presenting a study on optimizing filtration, dewatering, and drying.  Please download the presentation.  

b.     The 13th World Filtration Conference:  San Diego, California, 20 – 24 April 2020,; BHS will be presenting a study on optimizing filtration, dewatering and drying.  Please download the presentation.

c.     Specialty & Custom Chemicals America:  Fort Worth, Texas, 10-13 February 2020,; BHS will be exhibiting. 


Copyright © 2020 BHS-Sonthofen, Inc., All rights reserved.
BHS-Sonthofen, Inc.
14300 South Lakes Drive
Charlotte, NC 28273-8794
Phone:  704-845-1190

BHS specializes in thin-cake filtration, washing, and drying technologies for pressure or vacuum, batch or continuous operation for high solids and clarification applications.

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