Power Systems Mfg., LLC on Track for Reducing Nitrogen Oxide Emissions in Industrial Gas Turbines to 2 ppm Without Selective Cat
December 10 2003 - 8:30AM
PR Newswire (US)
Power Systems Mfg., LLC on Track for Reducing Nitrogen Oxide
Emissions in Industrial Gas Turbines to 2 ppm Without Selective
Catalytic Reduction Hydrogen in Natural Gas Fuel Blends
Significantly Lowers Emissions JUPITER, Fla., Dec. 10
/PRNewswire-FirstCall/ -- Power Systems Mfg., LLC (PSM), a
subsidiary of Calpine Corporation , has made a major step forward
toward achieving another industry first for reducing Nitrogen Oxide
(NOx) and Carbon Monoxide (CO) emissions from natural gas-fired
industrial turbines. PSM's new technology is expected to lower NOx
emissions to 2 parts per million (ppm) and CO emissions to 0 ppm
for E- and F-class gas turbines. Equally impressive, PSM expects to
set these new industry standards without the need for selective
catalytic reduction (SCR) equipment. The company plans to announce
final field-testing results in the first quarter of 2004. Upon the
successful completion of the field validation program, PSM's 2 ppm
NOx system will be available for commercial operation within the
next 12-18 months. PSM completed combustion testing of its Low
Emissions Combustion (LEC) system with hydrogen in natural gas fuel
in November 2003, using its high-pressure combustion rig. The test
was performed at representative original equipment manufacturer
(OEM) 7E-class engine conditions. Test results demonstrated
significant emissions reductions with the addition of small
quantities of hydrogen using PSM's patented fuel nozzle technology.
Earlier this year, PSM installed its LEC system into an OEM
7E-class gas turbine unit in Freeport, Texas. At final settings,
the unit's baseload emissions were 4.75 ppm NOx and 0 ppm CO at a
2,055 degrees F firing temperature -- meeting PSM's design target
of 5.0 ppm NOx and achieving an industry first for emissions
control in an OEM 7E-class turbine. PSM is building on its LEC
success by incorporating hydrogen-blended natural gas into its LEC
systems to further reduce emissions. PSM's LEC performance results
will vary depending upon specific site conditions. "The test result
is a significant milestone in PSM's continuing development of a
cost effective LEC combustion system with a 2 ppm NOx capability.
The new system is designed to provide an alternative to SCR to
lower emissions on natural gas-fired frame machines," said Dr.
Peter Stuttaford, Combustion Manager of PSM. "Our intent is to
commercially field this technology to Calpine and our clients to
avoid the expense of SCR and the associated environmental issues of
ammonia slip and real estate requirements for SCR retrofits. It
will also reduce operating costs and improve plant thermal
efficiency," added Tom Churbuck, PSM's president. Power Systems
Mfg., LLC, based in Jupiter, Fla., is an industry leader in
combustion turbine component engineering design and production. PSM
manufactures new vanes, blades, combustors and other replacement
parts for the industrial gas turbine industry. The company also
offers a wide range of LEC systems and advanced airfoils designed
to be transparently compatible for retrofitting or replacing
existing combustion systems or components operating in General
Electric and Siemens Westinghouse turbines. DATASOURCE: Calpine
Corporation CONTACT: Katherine Potter of Calpine Corporation,
+1-408-792-1168 Web site: http://www.calpine.com/
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