WOCA Short Course

NOTE: Individual sessions are subject to changes in topic and/or times. Final agenda will be posted closer to short course date.

World of Coal Ash Conference 2007 Short Course
May 7, 2007
The Science of Coal Ash Utilization
Time	Tracks	Time	Tracks
Breakfast/Coffee 8:00-8:30am
	Track A Introduction, Materials Production, Chemistry, and Physical Characteristics of Coal Combustion Products (CCP's)		Track C Flue Gas Desulfurization (FGD) Systems and FGD Gypsum
Monday Morning 8:30am-9:00am	Introduction to Coal Combustion Ash Topics: relationship between coal type and coal ash; forms of ash (bottom ash, fly ash); chemistry, mineralogy and petrography of ash; world classification systems for ash (ASTM, EU, China etc.); world production and utilization of ash. Dr. Tom Robl, University of Kentucky CAER - Track Chair	Monday Morning 8:30am-9:15am	Introduction to Flue Gas Desulfurization ("Scrubbers") with an Emphasis on Limestone Forced Oxidation Systems and FGD Gypsum Production Topics: selection of technologies for the removal of SO2 from flue gases (wet and dry scrubber processes, spray driers); comparison of advantages and disadvantages of the various processes; economics; resulting byproduct streams, handling methods, processing and disposal options. Ms. Cheri Miller, Gypsum Parameters - Track Chair
9:00am-10:00am	The Utilization of CCP's as a Pozzolan in Cement and Concrete Production: Part I Introduction Topics: introduction to chemistry and mineralogy of Portland cement and ash as a pozzolan, fundamental reactions and benefits of use; effect of different ash types on concrete emplacement (e.g., water demand, bleed, finishing, cohesion, heat, air entrainment). Dr. Russell Hill, Boral Materials	9:15am-10:00am	FGD Gypsum Use in the Cement and Wallboard Industries Topics: scrubber chemistry, synthetic gypsum applications in cement and dry wall manufacturing; synthetic gypsum specifications, chemistry and physical properties of synthetic gypsum and dry wall, calcination and wallboard additives; advantages/disadvantages of FGD Gypsum use in cement and wallboard; plant modifications required for retrofit and considerations for Greenfield plants. Sue Wallace, Synmat Inc.
10:00am-10:15am	Coffee Break	10:00am-10:15am	Coffee Break
10:15am-Noon	Coal Combustion Ash Management Practices Topics: ash collection systems; landfill, pond disposal of ash, gypsum stacking practices, regulatory, estimating production parameters, life cycle cost estimating. Dr. Kenneth O. Hardin, Associate, Fuller, Mossbarger, Scott and May, Engineers	10:15am-11:00am	Strategies for Development of FGD Gypsum Resources Topics: the competitive landscape; projected production; barriers/aids for increasing utilization of FGD Gypsum. Ms. Cheri Miller, Gypsum Parameters, Track Chair
		11:00am-Noon	Synthetic Gypsum and Agricultural Applications Topics: the use of synthetic gypsum as a soil amendment and fertilizer for the production of commercial crops. Dr. Warren Dick, The Ohio State University
Lunch Noon-1:00pm		Lunch Noon-1:00pm
	Track B Coal Ash Testing, Technology for Beneficiation and Advanced Materials and Applications		Track D Emerging Clean Coal Technologies, Gasification and Fluidized Bed Combustion
Monday Afternoon 1:00pm-2:00pm	The Utilization of CCP's as a Pozzolan in Cement and Concrete Production: Part II Advanced Topics Topics: long term strength and durability (e.g. permeability ASR, sulfate, corrosion, thermal cracking, salt); quality control; marketing issues. Dr. Russell Hill, Boral Materials - Track Chair	Monday Afternoon 1:00pm-2:00pm	Emerging Clean Coal Technologies: Fluidized Bed Combustion and Coal Gasification Topics: introduction to the fluidized bed combustion and spray drier technology, FBC spent bed chemistry and mineralogy, principals of coal gasification and nature of gasification products. Dr. Ray Hemmings, Hemmings and Associates - Track Chair
2:00pm-2:30pm	Ash Beneficiation Technologies Topics: carbon reduction methods and practices (electrostatics, combustion, air classification); classification and recovery of bottom ash; recovery of ponded and landfilled ash materials; IGCC, chemistry and beneficiation of materials. Dr. Jack Groppo, University of Kentucky	2:00pm-2:30pm	Clean Coal Products as an Engineering Material Topics: utilization for structural fills, road base and mine backfilling, synthetic aggregate production. Dr. Ray Hemmings, Hemmings and Associates - Track Chair
2:30pm-3:00pm	Effects of SCR NOx Reduction on Ash, Ammonia Testing in Ash Topics: behavior of ammonia on fly ash and impact on concrete utilization; common sense guidelines for managing and handling ammoniated ash, description of test procedures for ammonia in ash and the interpretation of results. Mr. Robert Rathbone, University of Kentucky	2:30pm-3:00pm	Advanced Beneficiated Materials and Non-Cement Uses of Ash Topics: discussion of fillers in polymers; advantage of spheres. Use in polyester, PVC, polypropylene, high-density polyethylene and rubber. Classified fly ash and ultra-fine fly ash as an enhanced cement extender; comparison with silica fume. Use of fly ash carbon. Dr. Richard Kruger, Richonne Consulting, LLC
3:00pm-3:15pm	Coffee Break	3:00pm-3:15pm	Coffee Break

3:15pm-4:15pm
Combined Session

General Discussion
Q&A

Future Quality and Utilization Trends in CCB's - National and International Perspectives
Topics: the impact of Hg regulations, changes in concrete practice on CCB's changes in electric generation and other issues relevant to the future of CCB's; overview of current quality trends.
Dr. Richard Kruger, Richonne Consulting, LLC
Dr. Jack Groppo, University of Kentucky

World of Coal Ash Conference 2007