La. Ruth, THE US-DEPARTMENT-OF-ENERGYS COMBUSTION-2000-PROGRAM - CLEAN, EFFICIENT ELECTRICITY FROM COAL, Energy conversion and management, 38(10-13), 1997, pp. 1249-1257
Citations number
3
Categorie Soggetti
Energy & Fuels",Mechanics,"Physics, Nuclear",Thermodynamics
The United States Department of Energy's Pittsburgh Energy Technology
Center, under its Combustion 2000 program, is working with private ind
ustry to develop two kinds of advanced, coal-fired electric power gene
ration systems that will have significantly higher thermal efficiency,
superior environmental performance and a lower cost of electricity th
an current coal-fired plants. The low emission boiler system (LEES) is
a highly advanced pulverized-coal-fire power plant which will be read
y for commercial introduction before the year 2001. LEES uses supercri
tical steam conditions and substantial low-level heat recovery to achi
eve an efficiency of 42%. Very low emissions are realized by using adv
anced combustion technology and pollution controls that are integrated
with the boiler. The high performance power system (HIPPS) is based o
n indirectly fired combined-cycle technology that is capable of 47-50%
efficiency. This system uses a gas turbine driven by a clean air work
ing fluid separately heated in a novel high-temperature furnace. Energ
y recovered from the turbine exhaust drives a steam cycle. HIPPS is pl
anned to be commercially available by 2005. This paper describes the C
ombustion 2000 program and the technologies being developed for LEES a
nd HIPPS.