Preparation of microfiltration ceramic membranes
https://doi.org/10.29235/1561-8331-2021-57-1-25-32
Abstract
The main factors affecting the physicochemical properties of microfiltration ceramic membranes based on natural quartz sand were studied. It was found that samples of large-porous ceramics with a content of 11.0 wt. % of the aluminosilicate binder and 10.0 wt. % of the burning additive are characterized by average pore size of 22±3.02 µm, water capacity of 54±5.0 m3/(h×m2×bar), and tensile strength of 9.0±0.6 bar. The optimal conditions for membrane layers coating were determined, which allowed obtaining microfiltration ceramic membranes with average pore size of 2.3±0.2 µm, water capacity of 26±1.0 m3/(h×m2×bar) and tensile strength of 6.5±0.3 bar.
Supporting agencies: Author is grateful to the researchers of the laboratory of adsorbents and adsorption processes of IGIC NAS Belarus S.V. Shemchenok and V.G. Prozorovich for their assistance in obtaining ceramic membranes and studying their characteristics.
About the Author
A. I. Ivanets
Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Andrei I. Ivanets - D. Sc. (Chemistry), Associate Professor, Leading Researcher. Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus.
9/1, Surganov Str., 220072, Minsk.
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