Articles

241-260 of 271 < first | | | last >
  • Process engineering: Dryer provides a concrete lesson in control

    Removing water or moisture from a liquid stream is a critical operation in many processes. Liquid stream dryers commonly contain either molecular sieves or adsorbents; during the last 20 years, the use of molecular sieves has become much more common.

    Andrew Sloley, contributing editor, and Richard Readshaw, senior staff process engineer for VECO USA Inc.
    05/03/2005
  • Compressed Air Systems: The Secret is in the Pipe

    There’s no such thing as too large a compressed air line.  A common error in compressed air systems is line sizes too small for the desired air flow.

    Hank van Ormer, Don van Ormer and Scott van Ormer
    03/14/2005
  • HART Devices - Dispelling the Myths

    Myths and misconceptions surround the HART Communication technology despite being in use for as many as 15 years in some places. This article dispels those myths and highlights the benefits of HART.

    Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
    03/10/2005
  • Tackle tough separations

    There are a plethora of devices in the marketplace that are designed to improve separation and thus improve product efficiency.  Learn how to determine which one is ideal for each particular process application.

    Thomas H. Wines, Pall Corp.
    02/18/2005
  • Gaskets: meeting the acid test in sealing

    Dow Corning Corp. was experiencing difficulties sealing a large hydrochloric acid column. GORE-TEX Series 600 gasket tape proved it could seal tightly for an extended period of time.

    Steve Beach, Dow Corning Corp., and Rob Haywood, W.L. Gore & Associates
    02/15/2005
  • Mixing moves osmosis technology forward

    U.S. soldiers get drinking water via the first forward-osmosis membrane, which is made possible by high-shear mixing. The process is spontaneous and requires no moving parts or special expertise.

    Doug Cohen
    02/07/2005
  • 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
  • Save a bundle solving pressure-drop problems

    Pressure drop in compressor-suction and interstage coolers often creates problems. In some cases, just a few pounds of extra pressure drop make a revamp unworkable.

    Andrew Sloley
    11/04/2004
  • Give gaskets a squeeze

    Reevaluate gasket use when operating conditions or maintenance procedures change.

    Andrew Sloley
    09/16/2004
  • 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
  • Energy savings are in the air

    Anywhere compressed air can be eliminated represents an opportunity to reduce system operating expenses. Often, this reduction means fewer compressors must operate to meet the plant's air requirements.

    Christopher Schmidt, Mark D'Antonio and Alan MacDougall
    08/05/2004
  • Sidestep side-draw control surprises

    The simplest approach to control side-draw distillation columns uses flow control on the side product. This solution, however, is not ideal for all side-draw control situations.

    Andrew Sloley, contributing editor
    07/01/2004
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