Peculiarities of purification of natural water from iron compounds using ceramic membranes

The paper deals with the issues of natural water purification from iron compounds. A comparison of polymeric and ceramic membranes is given. During the experiments, ceramic membranes modified with titanium and completed in a filtering element were used. Experiments on filtration of simulated solutio...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2021-07, Vol.815 (1), p.12020
Main Authors: Yarovaya, O V, Averina, Yu M, Bogatov, N A, Razvodova, A A
Format: Article
Language:English
Subjects:
Ceramics
Filtrate
Filtration
Iron
Iron compounds
Membranes
Pressure dependence
Titanium
Ultrafiltration
Water purification
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Summary:The paper deals with the issues of natural water purification from iron compounds. A comparison of polymeric and ceramic membranes is given. During the experiments, ceramic membranes modified with titanium and completed in a filtering element were used. Experiments on filtration of simulated solutions of ferric iron have been carried out. The dependence of the permeate flux on time for various initial concentrations of ferric iron and the dependence of the working pressure on the volume of the filtrate for various initial concentrations of ferric iron, at a constant filtration rate is shown. It was found that the residual concentrations of iron (III) compounds, regardless of the experimental conditions, met the regulatory requirements and did not exceed 0.3 mg/l. Based on the results obtained, flow diagrams of ultrafiltration units based on ceramic membranes were proposed.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/815/1/012020