Articles

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  • Chemical market endures the seesaw effect

    U.S. producers see economic growth coming from stronger exports and imports. However, some forecasters say that the long-term trends are less upbeat.

    Nick Basta
    10/07/2004
  • Take out torque

    A reader's ribbon blendor is experiencing torquing problems. Read tips about how to avoid torque problems in a ribbon blender.

    10/02/2004
  • 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
  • Conquer corrosion

    Zirconium proves to be the ideal material to overcome corrosion and abrasion problems. It naturally forms an adherent, self-healing protective film that protects it from chemical attack

    Stan Kirsch
    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
  • An alternative check

    Readers offer tips about reliable alternatives to conventional check valves. Suggestions include using a fluidic check valve, switching to a U-trap, using a standpipes putting two check valves in the series and changing position relative to the ground.

    09/16/2004
  • Raise your guard

    Several factors drive concern for better security on the plant floor. Better technology — including iris scanning — can help you more effectively protect your plant from threats.

    Cliff Kittle
    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
  • 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
  • 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
  • Take guesswork out of the mix

    Which mixer would be the most efficient, cost-effective, reliable or versatile? Know your options when choosing an in-line or in-tank mixer to suit your application.

    Chris Ryan
    08/05/2004
  • Manual unloading bites the dust

    Automated bulk-bag dischargers not only cut batching time in half. They also minimize dust and reduce potential harm to those workers who operate the machines.

    David R. Gill
    08/05/2004
  • Where are chemical engineers headed?

    Will opportunities in today's "hot" sectors , such as pharmaceuticals and biotechnology, among others, allow chemical engineering to continue to thrive?

    08/05/2004
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