Articles

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  • 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 manufacturing: No transfer required

    As the pharmaceutical industry has matured, concerns about the safe handling of drug compounds during the manufacturing process have increased. To meet exposure limits and protect batches from any kind of contamination, the industry’s need for improved containment has increased.

    Diane Dierking
    05/04/2005
  • 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
  • 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
  • Process manufacturing: Practical steps to reduce particle segregation

    Particle segregation is a common problem in many bulk storage systems and its presence creates serious quality control problems. This exclusive contribution from Diamondback Technology discusses the do's and dont's of particle segregation.

    Diamondback Technology
    01/19/2005
  • Take out torque

    A reader's ribbon blendor is experiencing torquing problems. Read tips about how to avoid torque problems in a ribbon blender.

    10/02/2004
  • The future is in plastics

    Single-use equipment is finding a place in the biopharmaceutical industry. One company has even designed a new bioprocessing facility around the disposable equipment.

    Diane Dierking
    09/16/2004
  • Solid Success

    New grinding media and equipment designs enhance the performance of mills and dispersers

    Nick Basta, Contributing Editor
    10/23/2003
  • Crack the Code

    When specifying dust collectors, it may not be necessary to follow ASME code to the letter. Ask the right questions and ask them early

    10/15/2003
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