Articles

141-160 of 169 < first | | | last >
  • 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
  • Process Engineering: Measure problems on a higher level

    A reader has a level measurement problem with a differential pressure level transmitter. The transmitter does not track the level properly. Check out the question and the in-depth answer in this contribution from ControlGlobal.com.

    03/03/2005
  • 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
  • Automation & IT: Making a HART connection

    This article is the first in a series of web-exclusive items designed to increase your knowledge about the HART Field Communications Protocol. Read here to find out the benefits of using HART Communication.

    Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
    02/10/2005
  • Process Engineering: Looking for good data?

    Are you experiencing problems with measurement uncertainty and are often left with poor data? Let Dr. Gooddata help you develop objective numerical tests for good data.

    Ronald H. Dieck, Ron Dieck Associates Inc.
    02/04/2005
  • Process engineering: Doing your level best

    Level measurement can be a simple issue with numerous solutions.  Measuring the height of the material in a vessel is merely an interface issue that can be resolved in a variety of ways.

    01/21/2005
  • Ph Sensor Neutralizes Gas Scrubber Operation

    There seems to always be a better way to meet regulatory requirements, enhance productivity and lower costs. A new pH sensor may help meet all three goals.

    Paul Aloia, Summit Controls Inc.
    01/18/2005
  • 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
  • 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
  • Don't Send Money Down the Drain

    A versatile system meets Federal standards while minimizing VOCs in wastewater

    Terrence T. Virnig, P.E., C.H.M.M., Synthetech Inc., and John A. Meidl
    03/31/2004
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