Articles

1781-1800 of 1880 < first | | | last >
  • Expert Advice Maximizes Optimizer Value

    A combination closed-loop optimizer and G2 expert system allowed a largy chemical company to save more than a million dollars in reduced overall energy demand.

    James F. Sturnfield, Union Carbide Corp.
    12/21/2004
  • Models Take off

    Process simulation historically has taken place within proprietary modeling environments. However, the ability of simulators to more accurately handle demanding tasks continues to evolve.

    Mark Rosenzweig
    12/21/2004
  • Double up to contain leaks

    Chemical companies are faced with numerous decisions about how to address a variety of major environmental and safety issues.  Many are finding a simple solution in dual-wall piping systems.

    Nick Basta, editor at large
    12/20/2004
  • 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
  • Keep temperature control out of hot water

    Readers offer tips about how to control the temperature of a water stream. (From the Process Puzzler column in November 2004 Chemical Processing magazine.)

    11/01/2004
  • Process integration extends its reach

    Thousands of successful applications worldwide testify to the value of process integration technology in reducing energy costs and increasing capacity through debottlenecking.

    Robin Smith
    11/01/2004
  • 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
  • Improve Your Project's Prospects

    Management always strives to increase the corporation's long-term value to its owners. As a result, it is very important to understand how they assess potential investments to get your project approved.

    Douglas C. White
    10/08/2004
  • Give gaskets a squeeze

    Reevaluate gasket use when operating conditions or maintenance procedures change.

    Andrew Sloley
    09/16/2004
  • Sealless pumps get their turn

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

    Nick Basta
    09/16/2004
  • Put Your Column on the Map

    Residue curve maps (RCMs) can be employed in a variety of ways, including system visualization, evluation of data, and process synthesis, modeling and troubleshooting

    Scott Barnicki
    09/16/2004
  • Order up better measurements

    Second-order instruments can provide improved accuracy and reliability for electrochemical and other sensors.

    Larry Berger
    09/16/2004
  • Adaptive control takes a leap forward

    The next generation of adaptive controllers will identify a process model quickly and automatically and provide process model parameters that can be displayed, trended and diagnosed.

    Gregory K. McMillan, Washington University, Mark S. Sowell, Solutia, and Peter W. Wojsznis, Emerson Process Management
    09/14/2004
  • Get control of reactor temperatures

    A reader has a plug-flow reactor whose temperature is starting to cycle. The company tried to tuning both controllers but saw no improvement. Read about potential solutions to this reader's problem.

    Diane Dierking, Senior Editor
    08/05/2004
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