Articles

361-380 of 474 < first | | | last >
  • Properly protect centrifugal pumps

    Consider various factors when selecting how to guard against low flow, Andrew Sloley says in this month's Plant Insites column.

    Andrew Sloley, contributing editor
    07/11/2007
  • 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
  • Equipment & Services: May

    Chemical Processing's Equipment & Services feature provides a variety of production equipment, supplier services and parts.

    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
  • 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
  • Sample pump eliminates emissions

    A compact system significantly improves analyzer accuracy. This innovative turnkey solution for analyzer emissions is a solid-state pump with an ultra-sensitive pressure regulator that mixes a compatible gas with the analyzer samples to achieve a constant vent header pressure — even during times of plant upset.

    Kazi Hassa, Parker Hannifin
    03/20/2007
  • 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
  • Flowmeters clean and dirty

    ControlGlobal.com contributor David W. Spitzer provides a look from a process automation perspective at how magmeters and Venturi meters are vying with ultrasonics for clean and dirty water applications.

    David W. Spitzer
    11/09/2006
  • Avoid trouble with slurries

    Handling slurries (a mix of solids and liquids), should be based on experience and experiments, not theory. Much of the knowledge obtained from pneumatic conveyors and fluidization systems can be used in understanding slurries.

    Thomas R. Blackwood, Healthsite Associates
    11/01/2006
  • 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
  • Choosing motor controls and drives

    In any industrial control application, using the right drives and motor controls can make or break the project, and also can make a huge difference in how well those applications perform.

    10/18/2006
  • How to select control valves, Part 2

    When it comes to selecting and sizing control valves and positioners, this article not only helps you pick the right one for the right job, but also includes a valuable valve selection chart you can download!

    Béla Lipták, PE, CONTROL Columnist
    10/17/2006
  • The FRETT approach to pump problems

    Some U.S. oil refineries repair their centrifugal pumps every three years while other refineries enjoy an average repair interval of 10 years. Learn about the highest-performing refineries and other petrochemical companies that have significantly reduced pump failures, and how you can obtain the same results.

    Heinz P. Bloch, P.E.
    10/16/2006
  • Washington targets plant security

    Federal actions undoubtedly will markedly impact the chemical industry. Nevertheless, we don’t know at this point whether federal chemical security legislation will happen in 2006.

    David A. Moore and Dorothy Kellogg, AcuTech Consulting Group
    09/22/2006
  • Increase pump performance

    In this web exclusive on ChemicalProcessing.com, pump expert Ross Mackay says a key to a pump's performance is to look at the control system it's running with.

    Ross Mackay
    09/18/2006
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