vestichИзвестия Национальной академии наук Беларуси. Серия химических наукProceedings of the National Academy of Sciences of Belarus, Chemical Series1561-83312524-2342The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8331-2021-57-1-25-32vestich-627Research ArticleКОЛЛОИДНАЯ ХИМИЯCOLLOIDAL CHEMISTRYПолучение микрофильтрационных керамических мембранPreparation of microfiltration ceramic membranesИванецА. И.IvanetsA. I.

Иванец Андрей Иванович - доктор химических наук, доцент, ведущий научный сотрудник.ул. Сурганова, 9/1, 220072, Минск.

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.

andreiivanets@yandex.ruИнститут общей и неорганической химии Национальной академии наук БеларусиInstitute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus2021080220215712532Copyright © Иванец А.И., 20212021Иванец А.И.Ivanets A.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestichem.belnauka.by/jour/article/view/627

Изучены основные факторы, влияющие на физико-химические свойства микрофильтрационных керамических мембран на основе природного кварцевого песка. Установлено, что образцы крупнопористой керамики с содержанием 11,0 мас.% алюмосиликатного связующего и 10,0 мас.% выгорающей добавки характеризуются средним размером пор 22±3,02 мкм, производительностью по воде 54±5,0 м3/(ч×м2×бар) и прочностью на разрыв 9,0±0,6 бар. Определены оптимальные условия нанесения мембранных слоев, что позволило получить микрофильтрационные керамические мембраны со средним размером пор 2,3±0,2 мкм, производительностью по воде 26±1,0 м3/(ч×м2×бар) и прочностью на разрыв 6,5±0,3 бар.

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.

микрофильтрациякерамические мембраныпористая керамикаоксид кремнияmicrofiltrationceramic membranesporous ceramicssilicon oxideАвтор выражает благодарность научным сотрудникам С.В. Шемченку и В.Г. Прозоровичу лаборатории адсорбентов и адсорбционных процессов Института общей и неорганической химии НАН Беларуси за помощь при получении керамических мембран и изучении их характеристик.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.ReferencesCeramic-based membranes for water and wastewater treatment / Z. He [et al.] // Colloids and Surfaces A: Physicochemical and Engineering Aspects. - 2019. - Vol. 578. - P. 123513. https://doi.org/10.1016/j.colsurfa.2019.05.074Ceramic-based membranes for water and wastewater treatment / Z. 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The authors declare that there are no conflicts of interest present.