Category Archives: Jenike Blog

What does bulk material handling mean to the “average” person?

I decided to find out.  I asked my friends and family these two questions: “What does bulk material handling mean?” “How does it affect your life?” I soon realized that there needed to be two categories of average person: engineer … Continue reading

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On a lighter note…

At Jenike & Johanson, our mission is to help clients with their bulk solids handling needs.  As part of this, I also participate in teaching courses and representing our company at trade shows and  exhibitions.  While doing these, sometimes interesting … Continue reading

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Slow and steady progress – ASTM D18.24 subcommittee updates

Sometimes progress occurs so slowly that it appears that nothing is changing.  Looking back over the last two decades, it is clear that the importance of characterizing and using the flow properties of bulk solids in design is becoming mainstream. … Continue reading

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Are you ready for continuous manufacturing?

Although continuous manufacturing has been used in other industries for centuries to produce products ranging from glass bottles to breakfast cereals, it is still in its infancy in the pharmaceutical industry.  This situation has often prompted the question among pharmaceutical … Continue reading

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Time Marches On

  It seems hard to believe, but 25 years last December marked the start of my career in bulk solids handling in Australia.  This was followed by a move to the US 18 years ago to work with Jenike & … Continue reading

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My Kingdom for Some Bin Headroom!

  The cost of poor planning is always a bitter pill. It is never cheaper and it is always more painful to build something poorly and then correct it later. Let alone the cost of living with the problems in … Continue reading

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Let’s Play Chutes and Ladders. Oh and Everything Should be 70°

  After handling a bulk solid for years, many believe that they know their material. They know which equipment works well and where in the system plugs are likely to occur. They know where to have the sledge-hammers ready, and … Continue reading

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The Physical Properties of Bulk Solids; or How to Get Through Airport Security

  Gathering physical properties of liquids or gases is usually straightforward. For example, if I needed a fluid’s viscosity and specific gravity to design a system for handling a liquid or gas, I need only to perform a Google search … Continue reading

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Segregation – Another Breakfast Table Horror Story

  “Hey kids, what happened to all the fruit flakes in the cereal? It looks like you all got the dried strawberries and large flakes and Dad and I got all the crumbs at the end of the box with … Continue reading

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Silo Design – Getting it Right the First Time – Part 4

  In the continuing story of how to design bins and silos, here is an item that attracts little thought or analysis. Non-axisymmetric hoppers Let us look at some difficult flow behavior and unsatisfactory results found in non-axisymmetric hoppers. An … Continue reading

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