Monthly Archives: April 2014

Flow Problems? Try Bulk Material Testing First

At a site visit recently I was introduced to an operator in the plant control room. My host told him that I was there to work on the flow problems that had been plaguing their surge bins for years since … Continue reading

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The Practicality of Science

I am coming up on my second year anniversary here at J&J – and what a ride it has been!  I have been involved in projects handling materials ranging from nylon powder to pharmaceutical formulations to hay.  And every project … Continue reading

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Using Moisture Sorption Isotherms: Bulk Solids Flowability

The flowability of a fine-grained bulk solid depends largely on the adhesive forces between individual particles [Dietmar Schulze: Powders and Bulk Solids Behavior]. These adhesive forces are due to van der Waals and electrostatic forces. In the presence of ambient … Continue reading

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US Cement Industry – Concrete Signs of Strength!

I have been in Washington, DC this week at the 56th IEEE-IAS PCA cement industry conference.  It has been a few years since I attended this conference.  Overall, the cement industry continues to recover from the 2008 US recession.  Over … Continue reading

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What Happens When Bulk Solids Specs “Don’t Get No Respect!”

When it comes to descriptions of bulk solids in contract specs, I’m reminded of the old Rodney Dangerfield wail, “I don’t get no respect!” All too often they’re forgotten by one or both parties until something does go wrong, and … Continue reading

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Jenike & Johanson Opens New Office in Brazil

  April 1, 2014 – Tyngsboro, MA – Jenike & Johanson is pleased to announce the opening of our new office in Brazil: Jenike & Johanson Brazil Rua Monteiro de Barros 513, SL-1 Vinhedo, SP CEP 13.280-000 Brazil Tel: +55 … Continue reading

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Details Matter: A Bulk Material Engineer’s Perspective

We all want our plant or process to work as intended, yet project planning and execution are not always conducive to the end goal.  If you’re reading this, you know that the flow properties of a bulk material dictate the … Continue reading

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