Articles

on 'Powder & Solids'

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  • Don’t let phase changes faze you

    Phase changes in the downstream processing or handling of solids cause many process problems that have inexpensive solutions.

    Tom Blackwood, Healthsite Associates LLC
    10/04/2005
  • Simulated Moving Bed Chromatography Offers Real Attractions

    A continuous purification technique, simulated moving bed chromatography combines high yields and purities with easy scale up and reasonable throughputs.

    Kathleen Mihlbachler, Eli Lilly and Company, and Olivier Dapremont, Aerojet Fine Chemicals
    08/31/2005
  • Build up agglomerate quality

    Several easy-to-use indices related to material flow properties can help to predict and improve an agglomeration process and product quality.

    Kristin O’Quest and Lee Dudley, Diamondback Technology, Inc.
    08/31/2005
  • Don'’t Get Mixed Up By Scale-Up

    Use this systematic approach to successfully scale-up mixing processes even without geometric similarity.

    David S. Dickey, MixTech, Inc.
    08/04/2005
  • How to reduce caking problems

    This web-exclusive article from Diamondback Technology identifies the most common caking mechanisms and how to solve the problem through reduction.

    07/05/2005
  • Avoid confusion with air injection for fine powders

    Fine powders often need air injection to increase flow rates to an acceptable level. With entrained or injected air, powders flow like water, but when deaerated, the extremely low flow rate may be confused with a hang-up or arching condition.

    06/01/2005
  • Process engineering: Doing your level best

    Plant engineers who find it is difficult to get good level measurements have plenty of company. A recent poll shows that it is considered to be one of the two most vexing problems by process automation professionals.

    04/08/2005
  • Process engineering: Pneumatic conveying moves ahead

    Pneumatic conveying has long been a popular choice for moving bulk materials. However, the technology hasn't been standing still, and this can influence the choice between several types of pneumatic systems.

    Nick Basta
    04/04/2005
  • Understanding ratholes

    Diamondback Technology supplies ChemicalProcessing.com with this exclusive piece on rathole formation in plant hoppers.

    Diamondback Technology
    04/01/2005
  • Prevent fine powder flushing

    Trapped air can cause fine powders to shoot through cracks and crevices. Here's how to eliminate this bin-afflicting problem.

    Lee Dudley, Diamondback Technology
    02/06/2005
  • Properly introduce solids into a flowing gas stream

    Particulate solids are often required to be introduced into a flowing gas stream. If not done correctly, introduction of solids into the gas stream can lead to impingement of solids on the pipe, resulting in erosion of the pipe in the area of the solids introduction.

    01/31/2005
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