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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Advanced Real Time Imaging
Presentation Title In-operando Interactions of Refractory Materials with Ash/Slag from Mixed Feedstock Gasification
Author(s) Anna Nakano, Kristin Tippey, Jinichiro Nakano, Hugh Thomas, Ímer Doğan, Matthew Lambert, Dana G. Goski
On-Site Speaker (Planned) Kristin Tippey
Abstract Scope Gasification utilizes a complex mixture of high temperature reactions to enable conversion of carbon feedstock to a syngas, which is used to produce electric power, synthetic fuels, and chemicals. The refractory liner that is used in a gasifier is required to withstand harsh high-temperature, high-pressure environments to protect the reactor. Under severe conditions, ash and/or molten slag originating from the carbon feedstock directly interacts with the refractory, causing materials degradation. The refractory service life limits the gasifier online availability, which negatively impacts production and energy efficiency, economics, and the environment. In this work, interactions of refractory materials with synthetic ashes from coal, biomass, and plastics were investigated at up to 1,200 ░C in 64%CO-36%CO2. In-operando materials observations were enabled by utilizing the customized high-temperature environmental confocal scanning laser microscope system. Potassium tended to travel through the refractory materials upon heating, but no apparent surface degradation was noted at 800 ░C.
Proceedings Inclusion? Planned:
Keywords High-Temperature Materials, Energy Conversion and Storage, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Analysis of In-situ X-ray Tomography Datasets of Dendritic Solidification Using 2D and 3D Machine Learning Algorithms
Assessing the Evolution of Pit Growth Kinetics during Atmospheric Corrosion Using In-situ X-ray Tomography
Ca2+ and pH Imaging during Dissolution of CaSiO3 into Aqueous Solution
Challenges for Quantitative High-temperature Confocal Scanning Laser Microscopy: Understanding the Temperature Profile
Determination of Strain Path Envelope in an Optimized Biaxial Cruciform Specimen of AISI 1008 Steel under Linear, Bilinear, and Nonlinear Strain Paths
Dissolution Behavior of Non-metallic Inclusions in Refining Slag Observed Using Confocal Scanning Laser Microscopes
Evaluation of Dynamic Wetting Properties of Si/C Interface
Evaluation of Interfacial Energy between Molten Fe- 18%Cr-9%Ni Alloy and Non-metallic Inclusion-type Oxides at 1873K
High Temperature In Situ Imaging and Strain Measurement during Synthesis of Monolithic Zirconium Hydride Components
In-operando Interactions of Refractory Materials with Ash/Slag from Mixed Feedstock Gasification
In-situ Observation of Phase Transformations in Co-based Dual Phase Entropic Alloys Using High Temperature Confocal Laser Scanning Microscopy
In-situ Observation of SO2 Gas Formation at the Magnetite/Matte Interface at 1200℃
In-situ X-ray Imaging of Melt Flow and Melt Pool Variation during Laser Metal Additive Manufacturing Process
In Situ Evidence of Dynamic Interactions between Droplets and Dendrites during Rapid Solidification of Immiscible Alloys
In Situ Observation and Investigation of the Wetting Behaviors of Mold Flux on Steel Substrate
Investigation of Echo Source and Signal Deterioration in Ultrasound Measurement of Metal Melt
L-1: Ultrasonic Doppler Velocimetry Technique for Investigation of Flows in Liquid Metal Batteries
Molten State Physical Properties of Divalent and Trivalent Alkaline Earth, Transition Metal, and Rare Earth Oxides
NOW ON-DEMAND ONLY - Evaluating Cellular-level Inhomogeneity through High-frequency Ultrasound -- A Computational Study
NOW ON-DEMAND ONLY - In-situ Investigation of Deformation Behavior of 5Mn Steel at Different Strain Rates by Digital Image Correlation
NOW ON DEMAND ONLY: In Situ Atomic Force Microscopy Evaluation of the Normal Pressure-dependent Lubrication Mechanism of Phosphonium Phosphate Ionic Liquid
Phase Evolution in Water at High Pressures from XRD and Raman Spectroscopy: A Combined MD Simulation and Experimental Investigation
Pseudo-4D Characterization of Lamella Orientations in Locked Al-Al2Cu Eutectic Colonies
Real-time Deformation Mechanisms of Hierarchically Structured Nanocomposites Using High-resolution In Situ Testing
Real-time Optical Visualization of Battery Reactions and Processes
Real Time Observation of Reactive Spreading and Interfacial Reactions between Liquid AlNi Alloy and Solid Ni
Real Time Quantification of Nickel, Cobalt, and Manganese Concentration Using Ultraviolet-visible Spectroscopy -- A Feasibility Study
Simultaneous Extraction of Nickel and Vanadium from Petroleum Byproducts
Tension Compression Asymmetry and Plastic Anisotropy in Mg Single Crystal Response Evaluated Using Micromechanical Tests
Three-dimensional Time Evolution Behavior of Short Fatigue Crack Morphology and Crack Closure in Ti-6Al-4V Alloy Assessed Using High-energy Imaging Type CT
Two-color Pyrometry as a Defect Predictor in the Additive Manufacturing of 316L Stainless Steel
Ultrafast Real-time Imaging and Modelling of the Dynamics of Fatigue Liquid Exfoliation of 2D Graphite under Ultrasound
Understanding Deformation at the Nanoscale via In Situ SEM Mechanical Testing
Visualizing the Path of Corroding Mg Alloys Using High Phase Contrast X-ray Computed Tomography

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