Articles

on 'Water/Wastewater'

181-200 of 282 < first | | | last >
  • 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
  • Compelling reasons to choose an insertion magnetic flow sensor

    Measuring flow rates and volumes of water and chemicals in the water, wastewater and chemical treatment industries requires the latest, simple to use and cost-effective technology that can keep up with the rigorous demands of the various applications.

    03/14/2007
  • Find the perfect steam trap

    Consider a variety of factors to select a unit that comes the closest. What steam traps lack in size, they make up for in numbers. In a typical steam plant, their numbers range from several hundred in a large steam plant to more than 20,000 in refinery or chemical complexes.

    Stephen Frank, Richards Industries, Inc.
    01/11/2007
  • 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
  • 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
  • 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
  • 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
  • Heat integration steps can present control problems

    The more energy prices rise, the more heat integration saves. However, heat integration steps can present complex control problems. Slip-ups in putting control systems in place can make operations nearly impossible. That certainly was the case at one unit using heat recovery.

    Andrew Sloley, contributing editor and Carolyn K. Hawley, VECO USA
    09/13/2006
  • Five steps to manage Title V compliance

    Process analytics migrate to online useIf you're responsible for managing Title V at your facility, or you are in the process of securing your Title V permit, you know that the Title V operating program requires that facilities demonstrate, in one document, their compliance. A company needs more than technology to succeed at compliance.

    Greg Gasperecz, Enviance
    09/11/2006
  • Succeed at bioprocess scale-up

    While fermentation-based syntheses were once reserved for producing high-value specialty chemicals and biopharmaceuticals, bioprocess routes now are gaining increasing attention for commodity products.

    John L. Shaw, P.E., and Scott A. Rogers, P.E., CH2MHill Lockwood Greene
    08/28/2006
  • 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
  • The impact of the European Union's directives on the U.S.

    The Restrictions of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (the RoHS Directive) is part of a growing wave of European Union product-based regulations that will profoundly impact global and United States product standards — and thus the chemical industry.

    Lynn Bergeson, regulatory editor
    08/17/2006
  • 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
  • Paired processes aim to fuel biodiesel buildup

    The first plant to go from biomass to syngas to biodiesel is slated for 2007 startup. Once started up early next year, the unit will feed in 75,000 mt/yr of wood chips and straw to make so-called SunDiesel.

    05/11/2006
  • Ribbon blender ups production of powders

    Read about a new mixing process increases annual capacity by almost 900%. The ribbon blender incorporates a bag dump station, a receiving hopper, and a pneumatic conveying system.

    Charlie Divine, Munson Machinery Company, Inc.
    05/01/2006
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