Electrochemical method for producing magnetite for wastewater treatment

Sahiba Kalayeva; Nadezhda Markelova; Alena Gennadyeva; Ramil Kalaev; Veronika Kopylova

doi:10.52957/27821900_2021_04_18

UDC 628.337 UDC 549.731.13

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ELECTROCHEMICAL METHOD FOR PRODUCING MAGNETITE FOR WASTEWATER TREATMENT Electrochemical method for producing magnetite for wastewater treatment

АА Аа

Published in From Chemistry Towards Technology Step-By-Step · Volume 2, Issue 4 · Pages 18–24 · Rubric: Scientific articles

DOI: https://doi.org/10.52957/27821900_2021_04_18

Received: 28.09.2021 Accepted: 09.12.2021 Published: 23.12.2021

Authors

Sahiba Kalayeva

Nadezhda Markelova

Alena Gennadyeva

Ramil Kalaev

et al.

Veronika Kopylova

Sahiba Kalayeva

Academic degree: doctor of technical sciences

Yaroslavl State Technical University Associate Professor · Yaroslavl

Nadezhda Markelova

Academic degree: candidate of technical sciences

Yaroslavl State Technical University Associate Professor · Yaroslavl

Alena Gennadyeva

Yaroslavl State Technical University Yaroslavl

Ramil Kalaev

Yaroslavl State Technical University Yaroslavl

Veronika Kopylova

Yaroslavl State Technical University Yaroslavl

ABSTRACT

As a result of the expanding directions of application of magnetic liquids, it becomes necessary to obtain a large amount of magnetite. The most common method of obtaining magnetite is its chemical condensation, both from pure components and from iron-containing waste of machine-building industries. Magnetite obtained from waste is as high as magnetite obtained from pure components. In addition, the cost of such magnetite is much lower. The article describes an electrochemical method for obtaining magnetite for wastewater treatment of electroplating production from the waste of cutting sheets of steel. A solution of sodium chloride was chosen as the electrolyte. The article presents the main stages of obtaining electrochemical magnetite, the results of measuring the saturation magnetization of samples of dispersed magnetite. The measurements were carried out at room temperature using a vibrating magnetometer in magnetic fields up to 1 Tl. We obtained the Mossbauer spectrum of an electrochemical magnetite sample. Magnetite, obtained by the electrochemical method, was used for the treatment of electroplating production washing wastewater as an adsorbent of copper ions. The paper presents the process of magnetite adsorption of copper ions and the scheme of the purification method. Studies of adsorption treatment of electroplating wastewater from copper ions show the high efficiency process level up 92.0-98.4%.

KEYWORDS

magnetite, waste from cutting steel sheets(chips), magnetic liquid, adsorption wastewater treatment

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GOST

Kalayeva S. Z., Markelova N. L., Gennadyeva A. M., Kalaev R. E., Kopylova V. E. Electrochemical method for producing magnetite for wastewater treatment // From Chemistry Towards Technology Step-By-Step. 2024. no. 4. pp. 18-24. DOI: https://doi.org/10.52957/27821900_2021_04_18. (Date of access 24.09.2026).

MLA

Sahiba Kalayeva, Markelova N. L., Gennadyeva A. M., Kalaev R. E., Kopylova V. E.. "Electrochemical method for producing magnetite for wastewater treatment." From Chemistry Towards Technology Step-By-Step 2.4 (2024): 18-24. DOI: https://doi.org/10.52957/27821900_2021_04_18.

APA

Kalayeva S. Z., Markelova N. L., Gennadyeva A. M., Kalaev R. E., Kopylova V. E. (2024). Electrochemical method for producing magnetite for wastewater treatment. From Chemistry Towards Technology Step-By-Step, 2(4), 18-24. https://doi.org/10.52957/27821900_2021_04_18

Chicago

Sahiba Kalayeva, Markelova N. L., Gennadyeva A. M., Kalaev R. E., Kopylova V. E.. "Electrochemical method for producing magnetite for wastewater treatment." From Chemistry Towards Technology Step-By-Step 2, no. 4 (2024): 18-24. https://doi.org/10.52957/27821900_2021_04_18.

WIKI

{{cite journal | author = Kalayeva S. Z., Markelova N. L., Gennadyeva A. M., Kalaev R. E., Kopylova V. E. | title = Electrochemical method for producing magnetite for wastewater treatment | journal = From Chemistry Towards Technology Step-By-Step | year = 2024 | volume = 2 | issue = 4 | pages = 18-24 | doi = 10.52957/27821900_2021_04_18 }}

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ELECTROCHEMICAL METHOD FOR PRODUCING MAGNETITE FOR WASTEWATER TREATMENT Electrochemical method for producing magnetite for wastewater treatment

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