Articles

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  • Need a tower internal specialist?

    For over 35 years, the Sulzer Chemtech Field Services group has been a successful tower internals specialty company, performing tray and packing installation, tower maintenance and plant turnaround projects.

    09/17/2007
  • No more turnaround headaches

    After the purchase of Enhanced Separation Technologies, Sulzer Chemtech USA now offers a more complete line of equipment and services for column repairs, maintenance and turnarounds.

    Sulzer Chemtech USA
    09/14/2007
  • Distillation, Part 5: Multiple Products

    In Part 5 of this series on distillation control and optimization, we find that adding a side-stream component to your process gives an additional degree of freedom, but makes it even more essential to not mismatch the variables.

    08/28/2007
  • Don’t look at precondensers in a vacuum

    Consider the impact of the downstream vacuum ejector on precondenser performance, advises Andrew Sloley, in this month's Plant InSites column.

    Andrew W. Sloley, contributing editor
    08/20/2007
  • Get your proper bearings

    Don’t head off in the wrong direction when replacing motors. The type of service and the orientation of the motor determine which bearings it should have. Using the wrong bearings can lead to significant problems.

    Daniel R. Snyder, SKF
    08/20/2007
  • Two bulk conveyors prove better than one

    Engineers at EaglePicher Corp. in Quapak, Okla., faced some unique problems in manufacturing high-purity isotopic chemicals and wound up addressing them via a unique solution.

    David Boger, Flexicon Corp.
    07/11/2007
  • Squeeze More from Your Motors

    By integrating smart motor control centers that will monitor energy consumption a plant can remove wasteful energy expenditure, prevent unplanned downtime, and improve overall operational efficiency. Recent tax code amendments make these improvements inviting.

    Moin Shaikh, Siemens
    06/07/2007
  • Build your portfolio

    Is energy efficiency an engineering project or a management process? Contributing Editor Christopher Russell answers that question in this month's Energy Saver column.

    Christopher Russell, contributing editor
    05/16/2007
  • 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
  • Flame Modeling Provides Matchless Results

    A computer simulation helps solve a refinery combustion problem. Finding ways to limit NOx from fired heaters, especially under stringent environmental regulations, has become a major concern for the petroleum refining industry. Complying with new stricter regulations, a Texas refinery upgraded the burners in one of its large cylindrical furnaces.

    Roberto Ruiz, Ph.D., John Zink Co.
    04/13/2007
  • Chemical industry starts to shine through clouds

    In its third year, Chemical Processing’s online salary and job satisfaction survey results provides reasons for optimism. The record 1,830 survey respondents’ answers indicate salaries, raises, bonuses and job satisfaction are all moving in a positive direction.

    Ken Schnepf, managing editor
    03/28/2007
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