Tag Archives: bulk solids engineering

How do you handle Biomass?

Those who deal with biomass know it can be very difficult to handle, but why? Let’s compare biomass to bulk materials/powders for a moment. Both bulk materials and biomass have internal friction, can form piles, are sensitive to pressure, and … Continue reading

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Components in Storage Structure for Bulk Solids – Hopper Attachment in Bins and Silos (Part 3)

Co-Author: Jesús Chávez Sagarnaga My definition of “hopper” is a sloped wall converging structure suspended along its top edge from the vertical wall portion of the bin or silo. Hoppers can be conical, wedge, pyramidal or a combination of these shapes. … Continue reading

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What’s the solution so I know how to budget the project?

This is a common question we are asked by clients with bulk solids flow problems in their plant. Typical problems might be: Segregation and blending issues resulting in product reject Material bridging/arching and ratholing in a bin causing a no-flow … Continue reading

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Feasibility Study Assistance

Pre-feasibility study, feasibility study, front-end-loading (FEL 1 and 2), whatever you might call the upfront work in deciding whether or not a bulk solids handling project should go through, we can help. A feasibility study is the analysis of how … Continue reading

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Training – you get the “bang for your buck”?!

Let me ask a simple question – can you recall the last time you received effective training that yielded an immediate payback/return-on-investment (ROI)? If you can recall this training event, can you think why it was effective and impactful?  What … Continue reading

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Perry’s Chemical Engineers’ Handbook

I own all eight editions of Perry’s Chemical Engineers’ Handbook. The ninth edition will be issued this year, and Dr. John Carson and I have written the section on bulk solids flow and hopper design. The ninth edition will include our … Continue reading

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It’s a New Year – Time to Reflect and Plan

It’s that time again – a new year is upon us providing a fresh start. Our bellies are full of treats and our minds have had time to rest. We reflect on all that was accomplished in 2016 and plan … Continue reading

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Whiteboard Friday: Effective Head

Our Project Engineer Josh Marion about effective head and why we use it.

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Jenike & Johanson helps students at AIChE Conference

Compared to liquids and gases, chemical engineers’ education in bulk solids is relatively limited.  Perhaps that’s why whenever I visit a chemical plant, I can easily identify which lines or equipment handle bulk solids – they are the ones with … Continue reading

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If you can’t grow it, you gotta dig it up-and then handle it!

Take a few moments to look around you and subtract all the objects and energy sources that aren’t grown and you soon get an impression of what life would be like without mining (you should be seeing something resembling Gilligan’s … Continue reading

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