Articles

361-380 of 514 < first | | | last >
  • What is taking so long?

    Despite its 30-plus-year history, advanced process control (APC) applications remain few and far between, but it doesn’t need to be that way. Dave Harrold, cofounder of the AFAB Group, reports.

    06/01/2007
  • Gamma scanning seeks an inside edge

    Many companies decide not to build up certain capabilities in-house mainly because they don’t have sufficient regular demand for them. Gamma scanning of distillation columns is a case in point, but on-site scanning specialists may be the wave of the future.

    Mike Spear, editor at large
    05/08/2007
  • Properly deliver compressed gases

    From large petrochemical units to tiny pharmaceutical pilot plants, day-to-day operations depend upon providing compressed gases in a controlled, safe and environmentally conscious manner. Correct gas handling also can improve process efficiency.

    Larry Gallagher, CONCOA
    05/08/2007
  • Cut column energy consumption

    With increasing energy prices and public sensitivity to energy consumption, many plants are paying more attention to optimizing distillation. Simple and low-risk operational changes often can provide substantial savings.

    Andrew Sloley, VECO U.S.A.
    05/08/2007
  • Control valves for slurry service

    In this installment of Ask The Experts, noted process control authority and CONTROL Columnist Béla Lipták and his cadre of automation experts answer a reader’s question regarding control valves for slurry services.

    05/01/2007
  • Optimize pump life cycle

    Understanding an operating system reduces costs and improves reliability. Getting the most out of your pump demands a well-thought-out, holistic strategy.

    Tom Carsten and Barry Erickson, Flowserve
    04/30/2007
  • Defeat barriers to energy cost control

    Use communications and incentives to overcome “The Competitor Within", advises Christopher Russell in this month's Energy Saver column.

    Christopher Russell, contributing editor
    04/24/2007
  • Final control

    What’s the latest on control valves? Here's a look at the current marketplace for the final element that all control stuff is aimed at—the control valve that produces the end result.

    Walt Boyes, Editor in Chief
    04/17/2007
  • Achieve continuous safety improvement

    Enhancing safety performance requires diligence and unrelenting effort. The Independent Safety Review Panel’s recently released report on the safety culture and practices at BP’s U.S. refineries where a March 2005 explosion occurred in Texas City, Texas indicates similar failings are likely elsewhere in the industry. Learn what can be done to enhance continuous safety improvement.

    Angela Summers, SIS-TECH Solutions
    04/12/2007
  • NeSSI taxis for takeoff

    Though acceptance and networking hurdles remain, the New Sampling/Sensor Initiative (NeSSI) is starting to emerge in real-world, standardized, modular process control applications.

    Jim Montague, Executive Editor
    03/03/2007
  • The evolution of plant automation

    Understanding the purpose of control and safety systems helps users ensure each is appropriately optimized. The duties of the SIS are to protect the people, environment and assets against unsafe conditions.

    Angela Summers, PhD, PE, founder of SIS-TECH Solutions
    03/03/2007
  • Pressure control optimization

    Floating pressure control means that, at minimum pressure, the heat required at the reboiler is minimized, its capacity is increased, and fouling is reduced.

    Béla Lipták, PE, CONTROL Columnist
    03/03/2007
  • Take the pressure off pressure control

    Linkage of other variables can stymie hot vapor bypass schemes, according to Andrew Sloley's Plant InSites column.

    Andrew Sloley, contributing editor
    02/19/2007
  • The DCS spirit lives on everywhere

    Classic distributed control systems typically remain only in high-availability refining and power applications, but their strategies and capabilities persist in descendants and today’s sophisticated networks.

    Jim Montague, Executive Editor
    02/09/2007
  • Best practices in control system migration

    Migration from your old control system to a new one is as an inevitable as death and taxes. But, the key to minimizing the pain is to abide by the control system migration best practices listed here.

    Dan Hebert, PE, Senior Technical Editor
    02/09/2007
  • Debunk plant myths about diagnostics

    Your current control system can probably do more than you think. Everybody can agree that diagnostics are a good thing — they can identify problems early, and keep the plant running at peak performance. Learn how your existing control systems and analog instruments can deliver diagnostic capabilities, at a fraction of the cost of system or instrument replacements.

    George Buckbee, ExperTune, Inc.
    02/08/2007
  • Making the most of diagnostics

    Make the most of your diagnostics with this helpul summary from George Buckbee of ExperTune, Inc.

    George Buckbee, ExperTune, Inc.
    02/08/2007
  • 10 tips for diagnosing control valve problems

    To make the most of diagnostic equipment used in chemical processing, technicians must stretch their knowledge of control valves and related diagnostic equipment that keeps tabs on valve health and safety.

    David W. Douglas
    01/22/2007
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