A major element of this program should be the operation of a full-scale fossil-fired test loop prior to the construction of a large pioneer DCGCR plant. Areas of technological concern are identified and a program of resolution is recommended.nThe economic evaluation considered a number of parameters in the determi-nation of the DCGCR viability. These parameters included water use, water availability, licensability, major component fabrication, component dependability, construction requirements, and power generation costs. One of the principal conclusions of the economic evaluation is that the cost to generate electricity for a coal-fired plant with SO2 removal equipment, a LWR plant, and a HTGR-SC plant is greater by approximately 50 percent, 10 percent and 8 percent, respectively, than the cost for a DCGCR plant of the same size.
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