Category Archives: HRSGs

Ammonia oxidation in simple-cycle SCRs can cause understatement of catalyst activity

Special to CCJ ONsite By Larry Muzio and Sean Bogseth, Fossil Energy Research Corp, and Frederic Vitse, GE Power Portfolio Selective catalytic reduction (SCR) is widely used to reduce NOx emissions from gas-turbine powerplants—both simple- and combined-cycle units. Once the catalyst is installed it is important to monitor its activity periodically. This involves removing a […]

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Inspection, maintenance priorities for ageing HRSGs

Editor’s note: The traditional annual conferences of all user groups serving the gas-turbine sector of the US electric-power industry scheduled between Mar 1, 2020 and Dec 31 have been canceled because of the Covid-19 pandemic. The 30th anniversary meeting of the Western Turbine Users (slated for March 29 to April 1 at the Long Beach […]

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Easily connect with and view presentations from key suppliers @ 7FUG 2020, Part IV

One of the unique aspects of the 7F Users Group’s 2020 Digital Conference is the opportunity to interact online with the OEM and nearly 50 third-party solutions providers. Ten companies in the latter group were selected by the steering committee to conduct live technical presentations which are available for on-demand playpack. The remaining solutions providers […]

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Polling Power: User feedback from the 7F 2020 Digital Conference

A valuable feature of Power Users conferences is audience polling, which was pioneered by the 7F Users Group a few years ago. The steering committee and presenters use polling to ask owner/operators for their opinions on industry trends, the information needs of attendees, etc. Because the feedback is virtually instantaneous, it can identify where clarification […]

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HRSG Forum 2019: Exclusive conference report

Technical presentations by subject matter experts on topics of importance to owner/operators of combined-cycle and cogeneration plants powered by gas turbines are the foundation of the HRSG Forum with Bob Anderson.  Consulting Editor Steve Stultz has abstracted the presentations below from the group’s fourth annual meeting. O&M personnel likely will find at least one or […]

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Synergy between fired boilers, HRSGs increases value proposition of AHUG, now ABHUG

The experiences shared at the Australasian HRSG Users Group (AHUG) annual meeting have been chronicled for the last decade by CCJ ONsite and in the print edition of the Combined Cycle Journal. Beginning here, and going forward, you’ll also benefit from the lessons learned/best practices of fired-boiler owner/operators facing technical and operational issues closely related […]

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Industry Notes: 2019 comes to an exciting close

NAES in the news Orange Grove Energy earns VPP Star status Over the last decade, CCJ’s best practices program has seen a dramatic uptick in entries pertaining to safety, a few for achieving VPP Star status. If you’re not familiar with the acronym VPP, Voluntary Protection Programs is an OSHA initiative that encourages private industry […]

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