Application example 1

Steam injection in the combustion chamber of a gas turbine to reduce the NOX values in the exhaust gas flow.
On installing a gas extraction plant in the Mideast, the operator was confronted with environmental regulations regarding the reduction of NOX values when operating his gas turbines shortly before construction was completed. To this purpose high pressure steam was to be injected into the exhaust steam flow of the turbines. 

However, there was not sufficient space for an additional steam generating plant on the site, the construction of which was already advanced. The solution: the installation of a Spilling steam compressor for the targeted provisioning of the required high pressure steam.
Spilling steam compressor for gas field in Qatar. NOX reduction by high pressure steam injection into combustion chamber
Benefits for the customer

  • Fulfilment of environmental regulations regarding NOX emissions
  • Avoided possible compensation payments for noncompliance 
Summary of system data

Steam generation
Gas-fired steam boiler 

Spilling unit
3-cylinder steam compressor with 1-stage compression

Steam throughput 12,000 kg/h
Steam inlet pressure 15.8 barg
Steam outlet pressure 24.0 barg

Utilisation of high pressure steam
Injection in the combustion chamber of a gas turbine
Applications steam
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