Alstom Technology Limited

General Electric Technology Gmbh

Ansaldo Energia Switzerland Ag

Ansaldo Energia IP UK Limited

Felix Güthe

Adnan Eroglu

Urs Benz

Jaan Hellat

Peter Flohr

Eribert Benz

Stefan Rofka

Frank Graf

Andreas Brautsch

Frank Sander

Gisbert Wolfgang Kaefer

Dragan Stankovic

Gian-Luigi Agostinelli

Steffen Terhaar

The power plant includes a gas turbine unit adapted to feed flue gases into a diverter where they are divided into a recirculated flow and a discharged flow. The recirculated flow is fed into a mixer together with fresh air to form a mixture that is fed to the gas turbine unit. The gas turbine unit includes a combustion chamber where a fuel is burnt together with the mixture. A control unit is provided, that is supplied with information regarding the fuel C2+ and/or Hcontent and is connected to at least the diverter to drive it and online regulate the recirculated flow mass flow rate in relation to the fuel C2+ and/or Hcontent.

Power plant and method for its operation

A power plant includes a gas turbine unit adapted to feed flue gases into a boiler of a steam turbine unit, to be then diverted into a recirculated flow and discharged flow. The recirculated flow is mixed with fresh air forming a mixture that is fed into a gas turbine unit compressor. The discharged flow is fed into a COcapture unit that is an amine based or chilled ammonia based COcapture unit. A cooler for the flue gases can be configured as a shower cooler located upstream of the COcapture unit. The plant can also include a washing unit to neutralize ammonia drawn by the flue gases that can be fed with nitric acid gathered at the cooler.

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Basel, Switzerland

Felix Güthe