Tag Archives: bulk material

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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Silo inspection: Be proactive not reactive

Changing the oil in my car may be the least favorite chore that I have to do on a regular basis. Taking 30 minutes to sit in a garage while the oil is drained and replaced is a huge hassle, … 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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Breaking down attrition

Sometimes attrition, the breaking down of particles, can be a really good thing – like when I wake up in the morning to the sound of coffee beans grinding just waiting for me to make a perfect cup of coffee. … Continue reading

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Moving Bed Catalytic Reactors

Fixed bed catalytic reactors, in which a gaseous reactant stream passes through a catalyst bed, is frequently used for synthesis, combustion, and effluent treatment. Radial flow reactors are preferred when a low pressure drop is desirable. Fixed bed reactors can … Continue reading

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Center Stage at the Powder Show

If you didn’t make it to the 2016 Powder Show you can catch up with our presentation at the center stage.

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Chemical Flow Aids

In my previous sections, I discussed the strengths and weaknesses of mechanical and pneumatic flow aids. The final category of flow aids, chemical flow aids, is the largest one simply because of the variety available. A number of chemicals have … Continue reading

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Feeding wet agglomeration processes.

I am a proud, card-carrying member of the IBA, the Institute for Briquetting and Agglomeration.  In 2011, I presented a paper at the IBA Conference on the design of hoppers or bins for feeding wet agglomeration processes.  In wet granulation … Continue reading

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