Articles

101-120 of 149 < first | | | last >
  • 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
  • Process engineering: Avoid pitfalls when starting up pumps

    Improper startup can result in excessive temperature and radial loading, both of which can lead to lower pump reliability from problems such as seal and bearing failure. Consultant Ross Mackay describes the three steps that should be followed during pump startup.

    03/14/2005
  • 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
  • Chemical industry: Competing with the "China price"

    Chinese producers are consistently offering materials that are cheaper than most American and European producers. This influx of lower cost supplies is threatening the welfare of some domestic plants. How are these American plants dealing with the issue? Voice your opinion on how you'd deal with it with our online poll inside the story.

    Bernie Price, Polaris Veritas Inc.
    02/18/2005
  • 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
  • Better damper control delivers big savings

    Installing an electric drive on a steam boiler damper results in lower fuel consumption. The reason? The electric drive enables boiler operation with just the right amount of excess air at lower firing rates.

    Joshua I. Anderson,&nbsp;Adolfo B. Aparicio and Scott T. Rutkoski
    11/01/2004
  • Keep motor drives ready for action

    Annually reforming stored or non-operational drives ensures that they remain ready to operate at peak performance. Failing to do this can lead to capacitor damage when the converter starts to operate.

    Kjell Ingman and Mikko Lammi
    10/16/2004
  • Sealless pumps get their turn

    Cost and design improvements are spurring increasing use, particularly for handling hazardous fluids.

    Nick Basta
    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
  • Motor Selection Made Simple

    Follow these straightforward steps to help you select the right motor for your centrifugal pump

    William McNally
    07/01/2004
  • Rev up energy savings

    Electric motors in continuous or near-continuous service have high energy costs, even at the relatively low electric rates common in much of the chemical industry. Don't squander savings opportunities when considering motor replacement

    05/13/2004
  • Don't let vibratory separators shake you up

    Understanding a few key points simpifies setup and operation, and leads to optimum screening patterns. These include adjusting vibratory motion and optimizing separator performance.

    Eric Johnson, P.E.
    03/08/2004
  • Better Damper Control Nixes NOx

    Installing accurate inline oxygen analyzers and precision draft controls can optimize emissions reductions and fuel savings

    03/03/2004
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