Articles

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  • Software Drives OEM Toward Efficiency and Energy Savings

    ABB designed software for its ACS800 drive so Curtis-Toledo could improve the operation of its rotary-screw compressors. The customized software can control the system pressure, air delivery, oil temperature and duty cycle directly from the drive.

    John Wilmes, ABB Inc.
    06/23/2005
  • 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
  • Test for success

    The best hopper is the least expensive one that consistently provides the required solids flow. A few simple indices can pinpoint potential solids flow problems and help optimize design.

    10/08/2004
  • 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
  • How to prevent a valve from sticking

    Members of the chemical-processing industry address the question posed by a reader of Chemical Processing magazine: What is causing the valves to stick? Possible causes offered include undersize actuators and fluctuations in the plant air supply.

    07/01/2004
  • Do Your Plant a Good Turn

    Often, one or more centrifuges lie idle in a facility. A thorough understanding of the factors that affect centrifuges is essential to getting the most out of these units.

    06/01/2004
  • Problem-Free Air Conveying Part III

    Consider the possible effects of ambient conditions on operations and the potential impact of the system on product characteristics

    12/18/2003
  • Problem-Free Air Conveying Part II

    Productive and reliable system and component choices depend on knowing about the potential problems each of them can cause

    10/23/2003
  • Test it Right

    The appropriate testing procedures can help direct the selection of pressure or vacuum filtration equipment and ensure optimum equipment operation

    04/11/2003
  • Motor 'Musts' for Demanding Environments

    End-users must understand the operation and maintenance requirements associated with hazardous-location or severe-duty motors to ensure a safe and productive environment

    12/15/2002
  • Plump up Your Particles

    The pin mixer can serve as a preconditioner to higher-value agglomeration processes

    12/15/2002
  • Thinking About a Change?

    A three-step approach can simplify pump bearing lubrication, reducing the number of oil sump-related lubrication changes --- and extending equipment life

    09/15/2002
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