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  • Full Vacuum Rating Isn't an Empty Benefit

    It often can provide important but underappreciated advantages for vessels

    Andrew Sloley, contributing editor; Sean Shepherd, principal engineer, Sasol North America
  • Disposable equipment earns lasting role

    Improvements in materials and processing know-how have led to a steady increase in the use of single-use or disposable equipment.

    Seán Ottewell, contributing editor
  • Monthly Preview: December 2007

    Here's a look at what will soon be featured on Be sure to check back for the latest articles, news and columns before you see it in print.

  • Get the right cartridge or bag filter

    An inaccurately sized or improperly specified filter can undermine an entire high-performance liquid filtration system. There are a dozen key parameters to assess to determine the proper specification.

    Tim Mills, Kaydon Custom Filtration Corp.
  • Avoid blending blunders

    Selecting the correct device is crucial to successfully handling solids. It must deal with discrete pieces that have physical size, electrical properties, frictional differences and surface characteristics that can change with the environment.

    Tom Blackwood, Healthsite Associates
  • Don’t look at precondensers in a vacuum

    Consider the impact of the downstream vacuum ejector on precondenser performance, advises Andrew Sloley, in this month's Plant InSites column.

    Andrew W. Sloley, contributing editor
  • Innovations in batching, dosing and weighing

    Challenges brought on by new regulations and technical problems for batching, dosing and weighing have pushed users to find some innovative and surprising solutions beyond our own industry.

  • Get a handle on solids’ flow

    Properly accounting for how bulk solids actually will flow in a vessel or overall process can be crucial for successful operations. Learning some simple parameters can often provide a good sense of flowability.

    Don McGlinchey, Glasgow Caledonian University
  • 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
  • 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.
  • Powder Handling: 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.

    Diamondback Technology
  • 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
  • Understanding ratholes

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

    Diamondback Technology
  • High-viscosity materials: Get into the thick of things

    Mixing equipment that you have relied on for years is likely inadequate for successfully mixing high-viscosity materials. This article outlines the solutions to this unique challenge.

    Bill Alhofen, Charles Ross & Son Co.
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