A gas turbine auxiliary system for nh3 conditioning
EP4771265A1Pending Publication Date: 2026-07-08NUOVO PIGNONE TECH SRL
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Patent Information
- Application Number
- EP2024790174
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-08-28
- Filing Date
- 2024-08-28
- Publication Date
- 2026-07-08
AI Technical Summary
Technical Problem
Existing gas turbine systems face challenges when using ammonia as fuel due to nitrogen oxide emissions and stability issues during combustion, while hydrogen use is limited by storage and flammability concerns.
Method used
An ammonia-cracking device is integrated into a gas turbine auxiliary system to process ammonia into a NH3/H2/N2 gas mixture, optimizing gas turbine operation and controlling NOx emissions by adjusting the fuel composition and using exhaust gas for additional hydrogen production.
Benefits of technology
The system enables efficient operation of gas turbines under various conditions, reduces NOx emissions, and provides a flexible fuel delivery system that can utilize excess hydrogen for other services.
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Smart Images
Figure IT2024050176_06032025_PF_FP_ABST
Abstract
A system for generating power using a gas turbine is disclosed. The system comprises an ammonia-cracking device, to convert at least part of a NH3 stream into H2 and N2, to realize a gas NH3 / H2 / N2 mixture that allows operating the gas turbine in every condition. In one aspect, the NH3 stream is splitted into a first NH3 stream that is cracked into H2 and N2 through a cracking to obtain a H2 and N2 stream and a second NH3 stream that is directed to the gas turbine through a bypass line, the power generating system also comprising a cracking reactor gas mixture split stream line (310), connecting the ammonia cracking reactor (300) to other services (400).
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