High temperature Ag+β”-alumina in situ sensor for sulfur-containing gases

This paper reports on the preparation of porous membranes consisting of plate-like β"-alumina grains and the evaluation for microfiltration properties. Porous β"-alumina-based ceramics were prepared by the solid-state reactive sintering of Na2CO3 and α-Al2O3 at 1100-1300 °C. To study the effect of impurities in the starting powder mixtures, LiF-doped membranes were also prepared. As for the water filtration test, the turbidity before and after the vacuum filtration was measured using sintered porous membranes. To simulate bacteria-contaminated water, a suspension of a commercial boehmite powder (D50 = 0.7 µm) in distilled water was used. The non-doped samples sintered at 1200 °C was composed of β"-alumina (84 wt.%) and β-alumina (16 wt.%) grains, and showed a good microfiltration performance; the turbidities before and after filtration were 894.4 NTU and 1.46 NTU, respectively.

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Reactive sintering and particle morphology control of β″-alumina-based water purification filters

Fukui

Suzuki

2017

J Mater Sci

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A review of sensor applications towards precise control of pyrolysis of solid waste and biomasses

Zhang

Jin

et al. 2022

Renewable and Sustainable Energy Reviews

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An electrical solid-state sulphur dioxide vapour sensor based on a polyvinyl alcohol formaldehyde composite

2017

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High temperature Ag+β”-alumina in situ sensor for sulfur-containing gases

Cited by 3 publications

References 35 publications

Reactive sintering and particle morphology control of β″-alumina-based water purification filters

Reactive sintering and particle morphology control of β″-alumina-based water purification filters

A review of sensor applications towards precise control of pyrolysis of solid waste and biomasses

An electrical solid-state sulphur dioxide vapour sensor based on a polyvinyl alcohol formaldehyde composite

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