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Paul Farber provided a valuable overview with decisive classification of the alternatives. Each of the three options has some advantages and some disadvantages.
Revision Date: 10/23/2014
Tags: 221112 - Fossil Fuel 化石燃料, P. Farber & Associates, LLC, Dry FGD, Circulating Dry Scrubber, Spray Dryer, Dry Sorbent Injection
Dry Scrubbing Webinar - Hot Topic Hour October 23, 2014
The Dry Scrubber Hot Topic Hour Webinar on October 23, 2014 contained valuable decisive classifications as well as little known facts and insights. This positive result was the work of some very experienced and knowledgeable individuals.
Revision Date: 10/23/2014
Tags: 221112 - Fossil Fuel 化石燃料, KC Cottrell, McIlvaine, P. Farber & Associates, LLC, BoldEco Environment, Longking, Dry FGD, Circulating Dry Scrubber, Spray Dryer, Dry Sorbent Injection, Incinerator, Byproduct
Direct Sorbent Injection Webinar - Hot Topic Hour July 10, 2014
The Hot Topic Hour covered direct sorbent injection. It was a collaborative discussion based on information posted on the free website: Dry Scrubbing - Continuous Analysis
Revision Date: 7/10/2014
Tags: 221112 - Fossil Fuel 化石燃料, Midwest Energy Emissions Corp, P. Farber & Associates, LLC, Solvay Chemicals, Licata Energy, Dry Sorbent Injection
Paul Farber, Principal, P. Farber & Associates, LLC gave a good overview and was able to consolidate the basic aspects of DSI as follows: 98% reduction of SO3, H2SO4, and HCl possible with DSI 90% reduction of SO2 with DSI has been demonstrated High percentage reduction of SO2 with DSI can result in the sorbent and reaction products entering the PM control device to be as much as the flyash loading Where Trona or SBC is injected the collected material will have significant levels of sodium Leachate tests of flyash/Trona/SBC mixtures have shown increased levels of metals such as selenium as well as sodium.
Revision Date: 7/10/2014
Tags: 221112 - Fossil Fuel 化石燃料, P. Farber & Associates, LLC, Dry Sorbent Injection
Certifying an HCl Cems is Complex
Sargent & Lundy LLC (S&L) investigated the status of PM and HCl emissions monitors in the U.S. This included reviewing the technologies and the variety and availability of monitors. This paper presents the results of the study as well as a review of the monitoring requirements under the Utility MATS and the applicability of available monitors to meet these requirements. Also reviewed are the factors that a utility should consider in choosing to monitor particulates either with periodic stack sampling, a PM CEMS or with a PM CPMS (continuous parameter monitoring system) and the complexities in certifying an HCl CEMS with the U.S. Environmental Protection Agency’s (EPA) current Performance Specifications (PS).
Revision Date: 1/31/2013
Tags: 221112 - Fossil Fuel 化石燃料, 221118 - Other Electric Power , Sargent & Lundy, HCl
Based on a Federal Court decision the US EPA has agreed to propose the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Coal- and Oil-Fired Electric Utility Steam Generating Units. This NESHAP is to be proposed by March 16, 2011 and promulgated by November 16th, 2011. This NESHAP, and the associated requirements for MACT (Maximum Achievable Control Technology), are expected to be very similar in form to the Industrial Boiler MACT. The MACT floor, based on EPA regulations, cannot be less stringent than the average emission limitation achieved by the best performing 12% of existing sources for subcategories with 30 or more sources, or the best-performing 5 sources for subcategories with fewer than 30 sources. Accordingly at least 90% of the Utility industry will be affected by the emission standards promulgated under this MACT. The MACT requirements will require upgrades and modifications to existing emissions control equipment and the installation of new control systems to limit emissions of mercury, the other criteria metals, acid gases such as HCl, and organics. This presentation will address the potential impacts on existing Utility Assets and discuss the implications and limitations of existing control technology to control the air pollutants addressed by this NESHAP.
Revision Date: 5/11/2011
Tags: 221112 - Fossil Fuel 化石燃料, Sargent & Lundy, Air Quality, MACT, USA