Articles

1721-1740 of 2128 < first | | | last >
  • Understand and Control Hot Vapor Bypass

    Contributing Editor Andrew Sloley says pressure control technique works well if implemented properly, in this month's Plant InSites column.

    Andrew Sloley, contributing editor
    01/08/2007
  • pH sensor stands up to tough conditions

    Design provides improved reliability in a polymer-precursor batch reactor. Sensors must respond quickly and survive a harsh environment. Poor probe reliability can make the difference between a process that makes money and one that doesn’t.

    Kyle Becker, Polychemie
    01/08/2007
  • Distillation control and optimization, Part 3

    Control's Béla Lipták continues his series on control of distillation processes, this time focusing on managing reboiler flow, temperature, feed rate, loading and reflux for economy, stability and safety.

    Béla Lipták, PE, CONTROL Columnist
    01/05/2007
  • Know when to leave a sinking ship

    The unspoken truth about projects is that they all come to an end, according to Dirk Willard in this month's Field Notes column. The key, he says, is knowing when to leave.

    Dirk Willard, senior editor
    01/03/2007
  • Chemical industry sees green

    Developments target economics, not just environmental benefits. While pollution prevention was the original goal of green chemistry, today’s efforts promise to have a substantial economic impact.

    Mike Spear, editor at large
    01/03/2007
  • How to select control valves, Part 3

    When it comes to selecting and sizing control valves, gain and stability are key characteristics. The non-commercial valve selection chart in this article serves as a reference tool you can download.

    Béla Lipták, Contributing Writer
    12/19/2006
  • Take the right first step to manage your energy costs

    Conducting an energy assessment provides a business plan for improvements and is the first step to managing energy costs, according to Chemical Processing's energy columnist Christopher Russell.

    Christopher Russell, energy columnist
    12/18/2006
  • Making Your Process Operator-Proof

    Senior Editor Dirk Willard discusses Shigeo Shingo's take on mistake-proofing, or Poke Yoke, if you speak Japanese. The practice suggests the following devices: eliminate — redesign, facilitate — guide, mitigate — lessen the damage caused by the error, or flag — identify the error.

    Dirk Willard, senior editor
    12/05/2006
  • Tiny reactors aim for big role

    Process Intensification (PI) has promised many things but has it fulfilled its promises? When looking at reactor technology, the answer is a definite “Yes.”

    Rocky Costello, R. C. Costello & Associates, Inc.
    11/29/2006
  • Industry can do well by doing good

    Ignoring climate change could eventually damage economic growth, according to an authoritative report, says Mike Spear, editor at large, in this month's End Point column. Read more on the economics of climate change.

    Mike Spear, editor at large
    11/29/2006
  • Data validation: Jewel in the fieldbus crown?

    Many users and most suppliers to the industry see process availability as the big payout benefit of Foundation Fieldbus (FF) diagnostics — a good portion of it realized through data validation.

    John Rezabek, Contributing Editor
    11/09/2006
  • Keep measurements on the level

    This article looks at six technologies — mechanical floats and displacers, differential pressure, capacitance, ultrasonic, radar, and guided wave radar — that are used most often for automated control, and provides practical guidance for choosing among them.

    Jerry Boisvert, Siemens Energy & Automation
    11/01/2006
  • Wireless devices may get a shake up

    Last month’s ISA Expo in Houston clearly showed how much attention wireless technology is attracting. However, concern about the reliability and life of batteries remains an issue. That’s why harvested or scavenged power is attracting interest.

    Mark Rosenzweig, editor in chief
    10/31/2006
  • Check for human errors

    You may be making an error if you don’t find time to double-check your own and other’s work. Making time to check human work can prevent costly mistakes and save time.

    Trevor A. Kletz, Loughborough University
    10/31/2006
  • Work to build coalitions with difficult teams

    Managing feuds is the first step toward a successful project, according to Senior Editor Dirk Willard in his monthly installment of Chemical Processing's Field Notes column.

    Dirk Willard, senior editor
    10/24/2006
  • Get answers to your biomonitoring questions

    Guidance for chemical manufacturers, processors, and distributors about Section 8(e) of the Toxic Substances control act was issued on September 14, by the U.S. Environmental Protection Agency (EPA). Chemical Processing's Regulatory Editor Lynn Bergeson discusses the new regulation.

    Lynn Bergeson, regulatory editor
    10/24/2006
  • Rise to the challenge of global legislation

    Despite having a parliament that regularly shuttles itself, lock, stock and ballot box, for four days each month between Brussels, Belgium, and Strasbourg, France, the European Union (EU) still manages to put out an amazing amount of legislation.

    Mike Spear, editor at large
    10/24/2006
  • Industry tackles a grave issue

    End-of-life and other product stewardship initiatives will impact chemical plants. An agreement to lessen the environmental impact of chemicals production will have global ramifications. Meanwhile, European end-of-life directives on electrical and electronic equipment already are having a worldwide effect.

    Mike Spear, editor at large
    10/24/2006
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