In This Issue
Cover Story
New emission control system debuts at Wisconsin Public Service

When Wisconsin Public Service (WPS) considered the challenge of how to capture multiple pollutants from its electric generating operation, it turned to a relative newcomer in emission control technology, a system called ReACT™ (Regenerative Activated Coke Technology). Though ReACT has been used for years in power plants in Japan, it had not been applied commercially in the United States until its debut at Weston Unit 3 in Wausau, WI. WPS installed the system at Weston 3 to control emissions of sulfur dioxide, nitrogen oxide, and mercury.

Weston 3 is a 350-megawatt plant that burns Powder River Basin (low-sulfur) coal and is one of five electricity generating units at the company’s Weston Power Plant, just south of Wausau. Of the four other units, one is coal-fired and three are gas-fired.

The impetus behind the new emission control installation was to ensure compliance with current, pending, and anticipated environmental regulations while keeping costs for consumers in check. “What really appealed to us,” said Corey Houn, principal engineer at WPS, “was ReACT’s combination of an emissionreduction system that also would be the most cost-effective for all of our customers.” Part of the cost-effectiveness is the creation and sale of sulfuric acid, the by-product of the gas-cleaning process.

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Also included in this issue...


  • Hindalco gets green nod for Rs 240-crore copper plant expansion
  • Dundee Precious Metals plans to expand sulfuric acid production
  • Potash Ridge secures long-term supply of sulfuric acid
  • Outotec to deliver two sulfuric acid plants to Iran
  • Egyptian megaproject brings power to Egypt
  • Energy and Environmental Foundation’s Gold Accolade for Jacobs’ Safety Culture

  • Market firmer than expected going into 2017
  • New advancements in spray technology for sulfur guns
  • Chemetics releases SWIFT-LOCK™ System for ISO-FLOW™ acid distributors
  • The importance of hydrogen safety
  • Optical systems provide exceptionally stable gas monitoring
  • Liquid nitrogen removes tube deposits when other methods fail
  • Scalable energy recovery systems for sulfuric acid plants
  • Why are life expectancies for acid coolers and storage tanks shrinking?
  • Boost sulfuric acid plant efficiency by improving tower performance
  • Sulfur pit protection
  • Managing the unmanageable: A brief framework for incident management
  • Filtration of hot sulfuric acid using in-line alloy strainers
And much more!

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