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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
Catalyst Selection by Scot Pritchard, Cormetech - Hot Topic Hour October 21, 2010
New SDA catalyst incorporates NH3 oxidation functionality without increasing SO2 oxidation. New arrangement with CoaLogix provides complete catalayst management service with integrated performance solutions and warranties.
Revision Date: 10/22/2010
Tags: 221112 - Fossil Fuel 化石燃料, Cormetech, Catalyst, Catalyst Management
Cormetech Company Profile in the Combined Cycle Journal, October 1, 2013
Cormetech, a joint equity venture of Corning Incorporated and Mitsubishi Heavy Industries, Ltd., is recognized as the world’s leading developer, manufacturer and supplier of catalysts for Selective Catalytic Reduction (SCR) systems for control of nitrogen oxides from stationary sources. With manufacturing facilities in Durham, North Carolina and Cleveland, Tennessee, Cormetech services the power generation, petro-chemical refinery and industrial processing industries worldwide with environmental technology solutions.
Revision Date: 10/21/2013
Tags: 221112 - Fossil Fuel 化石燃料, Cormetech, Catalyst, SCR, Air Pollution Control, Nox Control, Combined Cycle Journal
How to Reduce Catalyst Lifecycle Cost, Improve Reliability
Balancing the requirements of each SCR system in the fleet can be challenging. A system can reduce NOx by greater than 95%, but when the efficiency of the SCR is pushed beyond 85% and—or, if—the outlet emissions are less than 5 ppm, the system becomes much more sensitive to several independent system parameters. These include overall catalytic potential, effective ammonia injection/mixing in the flue-gas stream, flue-gas characteristics for inlet NOx, velocity, and temperature distributions.
Revision Date: 10/23/2013
Tags: 221112 - Fossil Fuel 化石燃料, Cormetech, SCR, Catalyst, Life Cycle Cost, Performance, Combined Cycle Journal
Revision Date: 2/27/2014
Tags: 221112 - Fossil Fuel 化石燃料, Cormetech, Catalyst, Mercury, NOx
NOx Catalyst Performance on Mercury and SO3 Webinar - Hot Topic Hour February 27, 2014
Revision Date: 2/27/2014
Tags: 221112 - Fossil Fuel 化石燃料, Cormetech, IBIDEN Group, Reaction Engineering International, Catalyst, Mercury, NOx, SO3