SYNTHESIS AND PROPERTIES OF COMPOSITE MATERIALS BASED ON COPPER (II) FERRITE
Rubrics: 1. CHEMISTRY
Authors:
1.
Yuzhno-Rossiyskiy gosudarstvennyy politehnicheskiy universitet imeni M.I. Platova
2.
Yuzhno-Rossiyskiy gosudarstvennyy politehnicheskiy universitet imeni M.I. Platova
3.
Yuzhno-Rossiyskiy gosudarstvennyy politehnicheskiy universitet imeni M.I. Platova
4.
Yuzhno-Rossiyskiy gosudarstvennyy politehnicheskiy universitet imeni M.I. Platova
5.
Yuzhno-Rossiyskiy gosudarstvennyy politehnicheskiy universitet imeni M.I. Platova
Type:
Article
Pages:
from 22
to 26
Status:
Published
Received:
22.12.2025
Accepted:
23.12.2025
Published:
23.12.2025
Language:
Russian
Keywords:
SPINELS, COPPER FERRITE, PURIFICATION OF AQUEOUS SOLUTIONS, DESTRUCTION OF METHYL ORANGE
Abstract (English):
The paper investigates the conditions of formation and properties of composite materials based on copper (II) ferrite and biochars obtained from sunflower husks and wheat straw. The relevance of the work is due to the presence of a set of important technical characteristics in the studied materials. Growing industrial production and urbanization lead to the formation of dangerous and toxic pollutants released into the environment. In recent years, synthetic dyes have become one of the main causes of water pollution. Azo dyes contain degradation-resistant functional groups and are therefore the main source of contamination. The problem of water pollution by dyes dictates the need to find effective materials and processes for their mineralization. In this work, fine crystalline ferrites of copper (II) were obtained, and a mechanism for the formation of their structure was proposed. The synthesized materials were studied using a number of modern methods, such as X-ray phase analysis, electron microscopy, and Debye-Scherrer crystal sizing. The size of the crystallites was 90.85 nm. It is shown that oxide compounds are formed on the surface of biochars, forming a film. The obtained materials were used in the process of purification of an aqueous solution from an azo dye under the action of hydrogen peroxide. A high catalytic activity of a composite material based on iron-copper oxide compounds and a biochar made from wheat straw was established: complete destruction of the dye was observed as early as 30 minutes after the start of the reaction. dichromate ions. The data obtained can serve as a guide in the search for highly active materials suitable for use in the purification of aqueous solutions from degradation-resistant organic substances.
The paper investigates the conditions of formation and properties of composite materials based on copper (II) ferrite and biochars obtained from sunflower husks and wheat straw. The relevance of the work is due to the presence of a set of important technical characteristics in the studied materials. Growing industrial production and urbanization lead to the formation of dangerous and toxic pollutants released into the environment. In recent years, synthetic dyes have become one of the main causes of water pollution. Azo dyes contain degradation-resistant functional groups and are therefore the main source of contamination. The problem of water pollution by dyes dictates the need to find effective materials and processes for their mineralization. In this work, fine crystalline ferrites of copper (II) were obtained, and a mechanism for the formation of their structure was proposed. The synthesized materials were studied using a number of modern methods, such as X-ray phase analysis, electron microscopy, and Debye-Scherrer crystal sizing. The size of the crystallites was 90.85 nm. It is shown that oxide compounds are formed on the surface of biochars, forming a film. The obtained materials were used in the process of purification of an aqueous solution from an azo dye under the action of hydrogen peroxide. A high catalytic activity of a composite material based on iron-copper oxide compounds and a biochar made from wheat straw was established: complete destruction of the dye was observed as early as 30 minutes after the start of the reaction. dichromate ions. The data obtained can serve as a guide in the search for highly active materials suitable for use in the purification of aqueous solutions from degradation-resistant organic substances.
Keywords:
SPINELS, COPPER FERRITE, PURIFICATION OF AQUEOUS SOLUTIONS, DESTRUCTION OF METHYL ORANGE
SPINELS, COPPER FERRITE, PURIFICATION OF AQUEOUS SOLUTIONS, DESTRUCTION OF METHYL ORANGE
