Novel process of preparation of Yttria stabilized ZrO2 small sizes beads using sol-gel method combined with spray granulation technology

Article Engineering, Environmental

Enhanced efficiency in CO2-free hydrogen production from methane in a molten liquid alloy bubble column reactor with zirconia beads

Yong-Gyu Noh et al.

Summary: The study proposed a new method for hydrogen production through catalytic methane pyrolysis using a multi-stage bubble column reactor with liquid metal alloy catalysts. The 3-stage bubble column reactor showed higher methane conversion rates compared to the 2-stage reactor at high temperatures. Analysis of the carbon products revealed that similar carbon-based materials can be obtained from both reactors.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Multidisciplinary Sciences

A novel model of ischemia in rats with middle cerebral artery occlusion using a microcatheter and zirconia ball under fluoroscopy

Teppei Komatsu et al.

Summary: This study aimed to develop a novel focal stroke model in rats using a microcatheter and zirconium dioxide, which could successfully establish MCA occlusion under X-ray fluoroscopy guidance with minimal hemorrhagic complications. The model showed 80% reproducibility within the MCA territory and was predictable in terms of infarct volume. Fluoroscopy was effective in identifying MCA occlusion and model success, allowing for the exclusion of animals with complications from the experiment.

SCIENTIFIC REPORTS (2021)

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Article Materials Science, Ceramics

Synthesis of yttria stabilized ZrO2-Al2O3 composite beads by wet titration technology

Dasong Peng et al.

Summary: An innovative method to prepare yttria stabilized ZrO2-Al2O3 composite beads with high compactness and hardness has been proposed, with a low sintering temperature of about 1250 degrees C. The new method greatly improves the bead properties and allows for the distribution of alumina grains evenly in the composite beads.

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN (2021)

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Article Materials Science, Multidisciplinary