DEVELOPMENT AND TESTING OF MERCURY CONTROL TECHNOLOGIES FOR POWER PLANTS BURNING TEXAS LIGNITES
John H. Pavlish, Senior Research Advisor
Jay C. Almlie, Research Engineer
Lucinda L. Hamre, Research Specialist
Ye Zhuang, Research Engineer
Energy & Environmental Research Center
University of North Dakota, PO Box 9018, Grand Forks, ND 58202-9018
Bob Wiemuth, Generation Planning Specialist
1601 Bryan Street, Suite 16-119, Dallas, TX 75201-3411
Sarah Pletcher, Project Manager
U.S. Department of Energy, National Energy Technology Laboratory
3610 Collins Ferry Road, MS D06, PO Box 880, Morgantown, WV 26507-0880
The Energy & Environmental Research Center (EERC), in conjunction with TXU Power and the U.S. Department of Energy’s (DOE’s) National Energy Technology Laboratory (NETL), conducted pilot-scale testing to evaluate the potential of different mercury control technologies to reduce mercury emissions from plants burning Texas lignite and Texas lignite–Powder River Basin (PRB) coal blends. The initial scope of testing was defined to simulate conditions at TXU’s Big Brown Plant, examining mercury removal as a function of the following independent variables: fuel blend, sorbent type and feed rate, additive type and feed rate, process temperature, and different emissions control device configurations. This pilot-scale testing provided direction for field testing of mercury control technologies showing the most promise in the pilot-scale tests. The large-scale field tests are planned to occur in early 2006. This paper discusses the results of the pilot-scale tests and the upcoming planned field tests.
EUEC 2007 – Volume 1 – Paper #06
FINANCIAL FEASIBILITY AND REGIONAL ECONOMIC IMPACTS: THREE CASE STUDIES IN U.S. BIO-POWER
Ira J. Altman, Southern Illinois University Carbondale
Thomas G. Johnson, University of Missouri Columbia
Phillip C. Badger, General Bioenergy Inc.
Samuel J. Orr, Missouri Department of Natural Resources Energy Center
Four arguments are commonly provided by renewable energy advocates: environmental benefits, energy security, positive regional economic impacts and more recently, with the increase in costs of fossil fuels, cost savings. This article presents evidence on the cost savings, financial feasibility and regional economic impacts of three case studies in U.S. biopower: an anaerobic biodigester in Minnesota, a landfill gas power facility in Kentucky and a proposed biomass direct fire plant in Missouri. The cases illustrate the potential for financial and economic benefits in a multi technology and multi state study while demonstrating the use of an optimization model which will benefit proposed biopower projects entering the commercialization stage.