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Title: Stochastic modeling of coal gasification combined cycle systems: Cost models for selected integrated gasification combined cycle (IGCC) systems

This report documents cost models developed for selected integrated gasification combined cycle (IGCC) systems. The objective is to obtain a series of capital and operating cost models that can be integrated with an existing set of IGCC process performance models developed at the US Department of Energy Morgantown Energy Technology Center. These models are implemented in ASPEN, a Fortran-based process simulator. Under a separate task, a probabilistic modeling capability has been added to the ASPEN simulator, facilitating analysis of uncertainties in new process performance and cost (Diwekar and Rubin, 1989). One application of the cost models presented here is to explicitly characterize uncertainties in capital and annual costs, supplanting the traditional approach of incorporating uncertainty via a contingency factor. The IGCC systems selected by DOE/METC for cost model development include the following: KRW gasifier with cold gas cleanup; KRW gasifier with hot gas cleanup; and Lurgi gasifier with hot gas cleanup. For each technology, the cost model includes both capital and annual costs. The capital cost models estimate the costs of each major plant section as a function of key performance and design parameters. A standard cost method based on the Electric Power Research Institute (EPRI) Technical Assessment Guide (1986)more » was adopted. The annual cost models are based on operating and maintenance labor requirements, maintenance material requirements, the costs of utilities and reagent consumption, and credits from byproduct sales. Uncertainties in cost parameters are identified for both capital and operating cost models. Appendices contain cost models for the above three IGCC systems, a number of operating trains subroutines, range checking subroutines, and financial subroutines. 88 refs., 69 figs., 21 tabs.« less
Authors:
;
Publication Date:
OSTI Identifier:
6204034
Report Number(s):
DOE/MC/24248-2901
ON: DE90015345
DOE Contract Number:
AC21-88MC24248
Resource Type:
Technical Report
Research Org:
Carnegie-Mellon Univ., Pittsburgh, PA (USA). Center for Energy and Environmental Studies
Sponsoring Org:
DOE/FE
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 20 FOSSIL-FUELED POWER PLANTS; COMBINED-CYCLE POWER PLANTS; ECONOMIC ANALYSIS; MATHEMATICAL MODELS; KRW GASIFICATION PROCESS; LURGI PROCESS; A CODES; ASHES; BEAVON PROCESS; CAPITALIZED COST; CLAUS PROCESS; COAL; COAL GAS; COAL-FIRED GAS TURBINES; COMPUTERIZED SIMULATION; COST ESTIMATION; DEASHING; DESIGN; DESULFURIZATION; FLOWSHEETS; GAS GENERATORS; HEAT RECOVERY; HOT GAS CLEANUP; LIMESTONE; MAINTENANCE; MATERIALS HANDLING; NITROGEN OXIDES; OPERATING COST; OXIDIZERS; PARTICULATES; PERFORMANCE; PROBABILITY; REGRESSION ANALYSIS; REMOVAL; SCOT PROCESS; SELEXOL PROCESS; SORBENT INJECTION PROCESSES; STEAM TURBINES; STOCHASTIC PROCESSES; STRETFORD PROCESS; SULFUR DIOXIDE; TECHNOLOGY ASSESSMENT; WATER TREATMENT; CARBONACEOUS MATERIALS; CARBONATE ROCKS; CHALCOGENIDES; CHEMICAL REACTIONS; COAL GASIFICATION; COMPUTER CODES; COST; DIAGRAMS; ECONOMICS; ENERGY RECOVERY; ENERGY SOURCES; FLUIDS; FOSSIL FUELS; FUELS; GAS TURBINES; GASES; GASIFICATION; MACHINERY; MATERIALS; MATHEMATICS; NITROGEN COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PARTICLES; POWER PLANTS; PURIFICATION; RECOVERY; RESIDUES; ROCKS; SEDIMENTARY ROCKS; SIMULATION; STATISTICS; SULFUR COMPOUNDS; SULFUR OXIDES; THERMAL POWER PLANTS; THERMOCHEMICAL PROCESSES; TURBINES; TURBOMACHINERY 010404* -- Coal, Lignite, & Peat-- Gasification; 200102 -- Fossil-Fueled Power Plants-- Power Cycles