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Recent Operating Results of the Five New Wet FGD Installations for Ameren
Hitachi Power Systems America, Ltd. has recently completed the Start-Up, Performance Testing and several months of operation on the five (5) Wet Limestone Forced Oxidation Scrubbers (WFGD) installed in Missouri and Illinois for Ameren. Ameren Corporation is the parent of utility companies that serve 2.4 million electric customers and 1 million natural gas customers in a 64,000 square-mile area of Missouri and Illinois. This paper will discuss the project backgrounds along with the design and operating performance of the advanced SO2 reduction technology that was implemented on these five units.
Revision Date: 7/23/2014
Tags: Ameren Services, Hitachi Power Systems America, Scrubber, FGD, Pollution Control
Kyle discussed advanced catalyst.
Revision Date: 11/29/2012
Tags: 221112 - Fossil Fuel 化石燃料, Hitachi Power Systems America, SCR, Catalyst, Mercury, NOx
Catalyst Selection for NOx and Other Gases - Webinar - Hot Topic Hour November 29, 2012
NOx control, impacts on mercury removal, and SO2 oxidation. Selection of an SCR catalyst.
Revision Date: 11/29/2012
Tags: 221112 - Fossil Fuel 化石燃料, Hitachi Power Systems America, CoaLogix, Niksa Energy Associates, W. S. Hinton & Associates, SCR, Catalyst Regeneration, Catalyst, Mercury, NOx, Catalyst Maintenance
A new catalyst (TRAC®) which achieves the Nox reduction, minimizes SO3 creation and has substantially improved conversion of elemental mercury to an oxidized form.
Revision Date: 8/2/2012
Tags: 221112 - Fossil Fuel 化石燃料, Hitachi Power Systems America, Catalyst, Mercury
Mercury Control and Removal Status and Cost - Webinar - Hot Topic Hour August 2, 2012
Different approaches for removing mercury.
Revision Date: 8/2/2012
Tags: 221112 - Fossil Fuel 化石燃料, Chemtura, URS Corp., Albemarle, Hitachi Power Systems America, Catalyst, Membrane, Activated Carbon, Bromine, Mercury
As new regulations become more stringent and inclusive of additional requirements, utilities are being forced to modify the operation of their plants. Many are looking to their SCR catalyst to help meet these challenges. Choosing the optimum catalyst is an increasingly important decision because it not only ensures that utilities will comply with current regulations but it can also give utilities the flexibility to meet those that follow. Catalyst manufacturers continue to develop new catalysts that enhance the performance of the SCR, providing low cost solutions that give the required flexibility while minimizing the operational impact to the unit. This presentation will review the various factors that are part of the catalyst design and selection process including the catalyst performance requirements and the anticipated operating conditions. Discussion topics will include low load / low temperature operational impacts, SO2 to SO3 conversion minimization, mercury oxidation promotion on low halogen fuels, handling of large particle ash, and more. Finally, the operational and economic impacts of catalyst management programs will be reviewed.
Revision Date: 5/12/2011
Tags: 221112 - Fossil Fuel 化石燃料, Hitachi Power Systems America, Selective Catalytic Reduction, Air Quality, USA
Electric Power Conference, Chicago, Illinois, May 10-12, 2011 / Exhibitors
A number of air pollution system and coal fired boiler component suppliers, as well as some water oriented companies, will be exhibiting.
Revision Date: 3/9/2011
Tags: 221112 - Fossil Fuel 化石燃料, NeuCo, Metso, NWL Transformers, Nalco Mobotec, Milton Roy, Layne Christensen, KSB, Oak Park Chimney, KE Burgmann, Siemens Energy, Johnson Matthey, Horn Industrial Services, Kiewit Power Engineers, Paragon Airheater Technologies, Pennsylvania Crusher, Praxair, Roberts & Schaefer, CoaLogix, SOLVAir Solutions, SPX Flow Technology, Zachry, Veolia ES / Special Services, Swan Analytical Instruments, Hitachi Power Systems America, Hadek, Curtiss-Wright, International Chimney, Ovivo USA, Whiting Corporation, Vector Construction, Pentair Flow Technologies, Titan Fabrication, Sulzer Turbo Services, Pullman Energy Services, Nickel Systems, National Steel Erection, Air - Cure, Masaba Mining Equipment, National Steel City, Heyl & Patterson, FMC Corporation, East Jordan Iron Works, Degremont Technologies, Day & Zimmermann, Cambria Contracting, Burns & McDonnell, BRUKS Rockwood, Babcock & Wilcox, Grindex Pumps, Clyde Bergemann, Allied Environmental Solutions, Fujikin, Fuel Tech, FLSmidth, Everlasting Valve, Endress + Hauser, Eaton, DustMASTER Enviro Systems, Dustex, Donaldson, Graycor, Infilco Degremont, GE Energy, Chemco Systems, Calgon Carbon, Blome International, Barnhart Crane & Rigging, Apollo Valves, Atlas Copco, USA
Hitachi continues to develop new catalysts that enhance the performance of the SCR with low cost solutions, minimize the operational impact to the unit, and provide the flexibility required. Offering the SCR system with the scrubber allows the company to make system guarantees on mercury control.
Revision Date: 10/22/2010
Tags: 221112 - Fossil Fuel 化石燃料, Hitachi Power Systems America, Catalyst, Regeneration
Catalyst Selection for Coal-fired Power Plants Webinar - Hot Topic October 21, 2010
Experts representing consulting, catalyst, regeneration, and systems companies provided an indepth analysis of the latest trends in catalyst use in coal-fired power plants. The dominant theme was that the SCR is no longer just a NOx removal device but is a multi-pollutant control device. Various alternatives for increasing performance and decreasing cost were proposed. Some involved maintenance of the existing catalyst while others emphasized better designs which last longer without maintenance and can thereby minimize or eliminate the maintenance. There was also discussion on how the various designs compare. The claim was made that hydraulic diameter was a better measure than pitch. There was agreement that it would be desirable to define various terms relative to maintenance of catalysts. The consensus seemed to be as follows: CATALYST Management 1. Maintenance a. Cleaning b. Rejuvenation c. Regeneration 2. Replacement Cleaning Catalyst: a dry process such as vacuum or mechanical removal of accumulations Rejuvenation Catalyst: wet chemical removal of accumulations Regeneration Catalyst: wet chemical removal plus re-impregnation of catalytic compounds Physical characteristics 1. Geometry a. Catalyst shape 1. Honeycomb 2. Corrugated 3. Plate b. Openings 1. Pitch 2. Hydraulic diameter Hydraulic diameter: The hydraulic diameter, DH, is a commonly used term when handling flow in noncircular tubes and channels. Using this term one can calculate many things in the same way as for a round tube. Definition: DH =4A P where A is the cross sectional area and P is the wetted perimeter of the cross-section. Reference http://en.wikipedia.org/wiki/Hydraulic_diameter McIlvaine solicits the input from subscribers as to the appropriate nature of this classification.
Revision Date: 10/22/2010
Tags: 221112 - Fossil Fuel 化石燃料, W. S. Hinton & Associates, Cormetech, Hitachi Power Systems America, CoaLogix, Catalyst, Cleaning, Regeneration