Catalytically active membranes for decomposition of organic compounds in aqueous solutionsстатья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 12 января 2022 г.
Аннотация:This work is devoted to the preparation of microfiltration ceramic tubular
membranes based on α-Al2O3 with deposited catalytically active layers for use in wastewater
treatment processes. Cobalt and manganese oxides were used as the material of the
catalytically active layer; deposition was carried out using a mixture of aggregative stable
aqueous dispersions of Co3O4 and MnO2 nanoparticles. According to the data of scanning
electron microscopy, the thickness of the obtained deposited layers does not exceed 3 μm. Xray fluorescence analysis confirmed the presence of Mn and Co on the surface of the samples.
The resulting membranes with a mass of 10 mg of the deposited layer of the oxide mixture
were tested in the methylene blue decomposition reaction in dilute aqueous solutions (1,2
mg/L). The reaction was carried out in a batch reactor at room temperature, complete
discoloration of the solution was observed after 180-240 minutes.