Hot Air Turbines
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8 Deploys
Low impact power stations fueled with biomass or waste
Page last modified
August 4 2023
Revolutionising the decarbonised distributed generation market by supporting smaller-scale, low impact power stations fuelled with biomass or waste to provide power and heat to our homes and places of work.
How it works:
- Fresh air is pressurised
- The pressurised air is heated in a heat exchanger
- Air depressurises and cools first through the “turbocompressor” needed to pressurise the air in the first place
- Air depressurises and cools more in a “Power Turbine” to produce electricity
There are multiple sources to heat the air:
- Waste wood/biomass
- Municipal waste combustion
- Pyrolysis gas from biochar production
- Flare gas (HX not required)
Pro/con
High durability / reliability
High exhaust air temperatures are compatible with district heating and industrial processes
Cost is typically <2500 $/kWe
Can be coupled with Organic Rankine high efficiency combined cycle applications
Can be coupled with absorption chillers for cooling applications
Requires flue gas with a temperature above 740 Degrees Celsius
Specification
Areas of Application
Low carbon distributed power generation
Business Efficiency
10–18% in simple cycle | 22-26% in combined cycle
Capabilities
Feasibility studies | Design | Supply and build | Test | Commission
Certifications / licences
No specific licences required
Compliance
No pressurised liquids or steam reducing | Eliminating the need for pressure vessel compliance
Input
Powered by fuels like: RDF | Biomass | Concentrated solar
Maintenance
Designed for 24x7 operation | Typical annual maintenance schedule
Output
Thermal Power output: 240kWth – 2000kWth | Electrical Power output: 50kWe – 330kWe
Power
Thermal Power input: 350kWth – 2800kWth
Relative Business Impact
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Technology Readiness Level
Development
Technology demonstration
Mature / Proven
Technologies Deployed By
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