journal article·2025-11-01Open access

Zeolite synthesis from coal ash using ultrafine-bubble-containing solution

Takayuki Nuruyu, Ayaka Tutumiuchi, Kenji Shida, Shinfuku Nomura, Motohide Matsuda

Abstract

Zeolite synthesis from coal ash was investigated using a solution containing ultrafine bubbles in a system with a production capacity of 60 kg/batch as a prototype for actual production.The formation of zeolite P was enhanced by the presence of ultrafine bubbles in the reaction solutions.Cation exchange capacities of about 2.3 mol/kg were obtained with a treatment time 4 h at 98 C.The accelerated formation of zeolite P from coal ash in the ultrafine-bubble-containing solutions was responsible for the high cation exchange capacities.
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Research context

OpenAlex topics: Zeolite Catalysis and Synthesis · Coal and Coke Industries Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Graduate School of Science and Technology, Kumamoto University

FKG Corporation Inc.

Technical Division, Kumamoto University

Graduate School of Science and Engineering, Ehime University

Faculty of Advanced Science and Technology, Kumamoto University

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