Articles

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  • The rise and fall of modulation

    Why have reciprocating designs fallen out of favor relative to the rotary compressor that is so predominant today? Read about the evolution of efficient controls for compressed air systems.

    Henry Kemp
    09/11/2006
  • Process analysis gains greater online role

    Faster. Smaller. Smarter. Modular. All express the future of process analytics. And un-stoppable describes the ongoing migration of process analytical instruments to continuous, online, field-mounted use at chemical plants.

    C. Kenna Amos, contributing editor
    09/11/2006
  • HMIs evolve in process control

    New HMI technology is putting a whole new (inter)face on how operators view control systems information, while at the same time driving human error out of systems and improving safe work practices.

    Ian Nimmo, president, User Centered Design Services LLC
    09/11/2006
  • Remember the old reliable orifice plate

    The cost-effective dP flow meter is ideal for utility surveys, Senior Editor Dirk Willard says in this month's Chemical Processing Field Notes column.

    Dirk Willard, senior editor
    09/11/2006
  • Biomonitoring gets a going-over

    The current state of biomonitoring is detailed in the much anticipated report issued July 24 by the Committee on Human Biomonitoring for Environmental Toxicants of the National Academies, Washington, D.C.

    Lynn Bergeson, regulatory editor
    09/11/2006
  • Innovations in batching, dosing and weighing

    Challenges brought on by new regulations and technical problems for batching, dosing and weighing have pushed users to find some innovative and surprising solutions beyond our own industry.

    09/05/2006
  • The Ch in ChE stands for “Changing”

    Chemical engineers know all about the laws of supply and demand. After all, the chemical industry, which historically has employed the bulk of chemical engineers, is cyclical.

    Mike Spear, editor at large
    08/28/2006
  • Fieldbus wars continue

    As wireless Ethernet continues its aggressive growth, end users have to wonder, “Will it replace fieldbuses?” It is clear that a battle is shaping up.

    Rich Merritt, senior technical editor
    08/23/2006
  • Energy savings are often disguised as problems

    Carefully managing compressed air can save money. Compressed air is often overlooked in energy studies because many people do not fully understand compressed air equipment, their own system, or what it costs to produce compressed air power.

    Scott Van Ormer and Don Van Ormer, senior application engineers, Air Power USA
    08/18/2006
  • How to select control valves, Part 1

    When it comes to selecting and sizing control valves, the non-commercial chart in this article not only helps you pick the right one for the job, but also serves as a reference tool you can download.

    Béla Lipták, PE, CONTROL Columnist
    08/15/2006
  • Cutting the wires of communications

    Users want wireless, vendors want to sell wireless, so what’s the problem? This article tackles one of the most discussed topics: the use of wireless communications in process automation.

    Walt Boyes, Editor in Chief
    08/15/2006
  • Try before you buy

    There is another side to toll processing. It involves the companies that arguably have the best possible know-how and hardware — for the simple reason that they are the equipment manufacturers themselves, offering toll processing services that utilize their own products.

    Mike Spear, editor at large
    07/24/2006
  • Can U.S. chemical makers still compete?

    A steady stream of statistics in recent years has pointed to deteriorating competitiveness in the U.S. chemical industry. Domestic producers face global challenges but see opportunities.

    Bill Gerards, contributing editor
    07/24/2006
  • Kayo cavitation

    Checking pump performance curves is one of the first steps in troubleshooting a centrifugal pump problem or seeing if a pump can handle new service conditions. Learn to look for more than just insufficient NPSHA, the common culprit, when investigating cavitation.

    Andrew Sloley, contributing editor
    07/17/2006
  • Control your maintenance

    Automation systems have now reached such a high degree of reliability that many personnel at plants now take them for granted. Learn to use digital communication with your asset management tools to achieve predictive maintenance and substantial savings.

    Ian Verhappen, MTL Instruments Group
    07/12/2006
  • Pilot plants: destined for development

    Pilot plants are on the verge of an unprecedented evolution. Read about the 10 factors that'll impact the design, construction and operation of these next-generation units.

    Richard Palluzi, ExxonMobil Research and Engineering Co.
    06/28/2006
  • Small sensors promise big impact

    Because many environmental applications of nanotechnology will almost certainly revolutionize the science, law, and regulation of water pollution, readers are urged to keep abreast of this fast-changing area.

    Lynn Bergeson, regulatory editor
    06/28/2006
  • Plants smarten up

    Smart field devices can be a smart investment to better manage assets and thus boost competitiveness. These devices are increasingly being relied for analysis as well as data collection.

    C. Kenna Amos, contributing editor
    06/13/2006
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