Search results for "Combined cycle"

showing 2 items of 2 documents

Corrosion Resistance of Alloys in IGCC Environment

2001

IGCC recovery boiler materials are subject to severe corrosion in environments composed of a gas mixture (CO-H 2 -H 2 O-CO 2 -H 2 S) and vanadium-containing fly-ash resulting from the combustion of oil residues. This paper presents a study of the corrosion behaviour of two Fe-Ni-Cr austenitic alloys in a typical IGCC environment at 400°C. The alloy composition influences the vanadium incorporated in the corrosion scales during the test, which affects the scale growth process. The valence state (determined by micro-XANES) and the amount of the incorporated vanadium is modified by a subsequent air flow at 400°C.

AusteniteMaterials scienceMechanical EngineeringHydrogen sulfideMetallurgyBoiler (power generation)Vanadiumchemistry.chemical_elementCondensed Matter PhysicsCombustionCorrosionchemistry.chemical_compoundchemistryMechanics of MaterialsIntegrated gasification combined cycleRecovery boilerGeneral Materials ScienceMaterials Science Forum
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Reverse electrodialysis heat engine for sustainable power production

2017

Abstract Reverse Electrodialysis Heat Engine (REDHE) is a promising technology to convert waste heat at temperatures lower than 100 °C into electric power. In the present work an overview of the possible regeneration methods is presented and the technological challenges for the development of the RED Heat Engine (REDHE) are identified. The potential of this power production cycle was investigated through a simplified mathematical model. In the first part of the work, several salts were singularly modelled as possible solutes in aqueous solutions feeding the RED unit and the corresponding optimal conditions were recognized via an optimization study. In the second part, three different RED He…

Closed loopSettore ING-IND/26 - Teoria Dello Sviluppo Dei Processi ChimiciThermal efficiencyWork (thermodynamics)Combined cycle020209 energy02 engineering and technologyManagement Monitoring Policy and Law7. Clean energyModellingThermolytic saltlaw.inventionlawWaste heatReversed electrodialysisReverse electrodialysi0202 electrical engineering electronic engineering information engineeringProcess engineeringCivil and Structural EngineeringHeat engineWaste managementbusiness.industryChemistryMechanical EngineeringBuilding and ConstructionClosed loop; Heat engine; Modelling; Power production cycle; Reverse electrodialysis; Thermolytic salts; Civil and Structural Engineering; Building and Construction; Energy (all); Mechanical Engineering; Management Monitoring Policy and LawPower production cycle021001 nanoscience & nanotechnology6. Clean waterPower (physics)Energy (all)General EnergyElectric power0210 nano-technologybusinessHeat engineApplied Energy
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