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Title: Calcium-based sorbent requirements for pressurized fluidized-bed combustion systems. Final report

Abstract

Developing technology that utilizes pressurized, fluidized-bed combustion (PFBC) for electric power generation presents an extremely broad range of potential power cycle conditions (pressure ratio, turbine inlet temperature, excess air level, combined-cycle configuration) for developers to choose. These conditions should be selected on the basis of overall plant performance - plant energy conversion efficiency, reliability, availability, controllability, cost of electricity, and environmental performance (SO/sub x/, NO/sub x/, particulates, solid waste). The choice of cycle conditions should be made in parallel with the selection of combustor operating conditions (velocity, bed depth, coal feed size distribution, sorbent feed size distribution, and sorbent type) and design concept. Westinghouse is developing a methodology for making these selections. In this report attention focuses on the key area of sulfur removal. The relation of the above-mentioned parameters and the combustor sulfur removal performance is presented on the basis of a thermogravimetric (TG) balance technique used to characterize sorbent sulfation kinetics. Projections and data obtained in a 1000 hr test program conducted in the National Coal Board's 6 atm unit are compared. The sulfur removal performance of some potentially commercial cycles (boilers and adiabatic combustors) is projected over a pressure range of 5 to 20 atm, and criteriamore » for selecting combustor operating conditions are developed.« less

Authors:
; ;
Publication Date:
Research Org.:
Westinghouse Electric Corp., Pittsburgh, PA (USA). Research and Development Center
OSTI Identifier:
5236353
Report Number(s):
EPRI-CS-3330
ON: DE84920170
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 20 FOSSIL-FUELED POWER PLANTS; FLUIDIZED-BED COMBUSTORS; ADSORBENTS; DESULFURIZATION; DOLOMITE; KINETICS; THERMAL GRAVIMETRIC ANALYSIS; ALKALINE EARTH METAL COMPOUNDS; CALCIUM CARBONATES; CALCIUM COMPOUNDS; CARBON COMPOUNDS; CARBONATE MINERALS; CARBONATES; CHEMICAL ANALYSIS; CHEMICAL REACTIONS; COMBUSTORS; GRAVIMETRIC ANALYSIS; MAGNESIUM CARBONATES; MAGNESIUM COMPOUNDS; MINERALS; OXYGEN COMPOUNDS; QUANTITATIVE CHEMICAL ANALYSIS; THERMAL ANALYSIS; 421000* - Engineering- Combustion Systems; 200202 - Fossil-Fueled Power Plants- Waste Management- Noxious Gas & Particulate Emissions

Citation Formats

Ulerich, N H, Newby, R A, and Keairns, D L. Calcium-based sorbent requirements for pressurized fluidized-bed combustion systems. Final report. United States: N. p., 1983. Web.
Ulerich, N H, Newby, R A, & Keairns, D L. Calcium-based sorbent requirements for pressurized fluidized-bed combustion systems. Final report. United States.
Ulerich, N H, Newby, R A, and Keairns, D L. 1983. "Calcium-based sorbent requirements for pressurized fluidized-bed combustion systems. Final report". United States.
@article{osti_5236353,
title = {Calcium-based sorbent requirements for pressurized fluidized-bed combustion systems. Final report},
author = {Ulerich, N H and Newby, R A and Keairns, D L},
abstractNote = {Developing technology that utilizes pressurized, fluidized-bed combustion (PFBC) for electric power generation presents an extremely broad range of potential power cycle conditions (pressure ratio, turbine inlet temperature, excess air level, combined-cycle configuration) for developers to choose. These conditions should be selected on the basis of overall plant performance - plant energy conversion efficiency, reliability, availability, controllability, cost of electricity, and environmental performance (SO/sub x/, NO/sub x/, particulates, solid waste). The choice of cycle conditions should be made in parallel with the selection of combustor operating conditions (velocity, bed depth, coal feed size distribution, sorbent feed size distribution, and sorbent type) and design concept. Westinghouse is developing a methodology for making these selections. In this report attention focuses on the key area of sulfur removal. The relation of the above-mentioned parameters and the combustor sulfur removal performance is presented on the basis of a thermogravimetric (TG) balance technique used to characterize sorbent sulfation kinetics. Projections and data obtained in a 1000 hr test program conducted in the National Coal Board's 6 atm unit are compared. The sulfur removal performance of some potentially commercial cycles (boilers and adiabatic combustors) is projected over a pressure range of 5 to 20 atm, and criteria for selecting combustor operating conditions are developed.},
doi = {},
url = {https://www.osti.gov/biblio/5236353}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Dec 01 00:00:00 EST 1983},
month = {Thu Dec 01 00:00:00 EST 1983}
}

Technical Report:
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