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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Advanced Real Time Imaging
Presentation Title Behavior of Plastic Ashes in Gasification Environments
Author(s) Jinichiro Nakano, Kristin Tippey, Anna Nakano, Hugh Thomas, Ímer Doğan
On-Site Speaker (Planned) Jinichiro Nakano
Abstract Scope Plastic upscaling/recycling is one of the most effective ways to decarbonize the chemical industries. Gasification is a chemical recycling path that enables carbon renewal at elevated temperatures by breaking waste plastics into basic constituents. Energy input may be offset by heat generation as a process byproduct. Significant energy savings in recycling plastics would be possible, not only compared to the mechanical recycling, but also to the traditional gasification because plastics carry higher heating values. This work reports ash compositions from various common plastics and their behavior at high temperatures. While most ash tends to be rich in alkaline earth metals, some such as low-density polyethylene (LDPE) and polypropylene (PP) ash indicate very high concentrations of Ti up to 95 wt.%. In-situ behavior of select ash/slag in simulated gasification environments (up to 1500 ░C in 64%CO-36%CO2) will be examined using the customized high-temperature environmental confocal scanning laser microscope.
Proceedings Inclusion? Planned:
Keywords Energy Conversion and Storage, Recycling and Secondary Recovery,


4D Microstructural Evolution of Bismuth (Bi) Phase during Solidification of Sn-58Bi Solder
Behavior of Plastic Ashes in Gasification Environments
Energy Absorption Properties of Open-Cell Rhombic Dodecahedron Cellular Lattice Structures Under Shock Compression
Estimation of Interfacial Strain Response for a Bi-material Strip in Tensile and Shear Loading Using THz-TDS
High-Temperature Wetting of Calcium Alloys and Molten Salts
In-situ Monitoring and Post Operando Analysis of Additively Manufacturing Lunar Regolith Simulants Parts
In-situ TEM Study of Rapidly Solidifed AlCuLi Based Alloys
In-situ Visualization of Retrograde Melting Phenomenon During Solidification of Boron-bearing Steels
L-9: In-situ Magnetic Computed Tomography for Additive Manufacturing
Machine Learning for In-situ Detection of Local Heat Accumulation in Additive Manufacturing
Mapping the Melt Pool Variability in L-PBF Additive Manufacturing by High-Speed Imaging
Microstructure Evolution during Laser-based Powder Bed Fusion Studied by Operando X-ray Radiography
Prediction of Laser Absorptivity from Synchrotron X-ray Images Using Deep Convolutional Neural Networks
Real-time Plasmon-Enhanced Colorimetric Imaging
Real Time Imaging of Laser Melting and Re-Solidification
Recent Advances in Ultrafast Real-time Imaging of Sonoprocessing Advanced Materials
Study of Fracture Behaviors of Epoxy-Alumina Composite Using Mechanical Testing Coupled with Micro-CT
The Influence of Temperature on Strength: Are Concentrated BCC Alloys Different than Elements and Dilute Alloys?
Thermal Stability of fcc-bcc Nanolaminates Containing 3D Interfaces
Three-dimensional Assessment of Strain Localization at the Sub-grain Level of a Ni-based Superalloy at Low and High Temperature Using Laser Scanning Confocal Microscopy
Visualization of Molten Slag Suspension by Electrical Impedance Tomography

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