Izvestiya of Saratov University.

Chemistry. Biology. Ecology

ISSN 1816-9775 (Print)
ISSN 2541-8971 (Online)


For citation:

Stepukhovich М. S., Abramova A. M., Bakal A. A., Goryacheva I. Y. Novel degradable photocatalysts for wastewater treatment. Izvestiya of Saratov University. Chemistry. Biology. Ecology, 2023, vol. 23, iss. 2, pp. 148-158. DOI: 10.18500/1816-9775-2023-23-2-148-158, EDN: FJKTJY

This is an open access article distributed under the terms of Creative Commons Attribution 4.0 International License (CC-BY 4.0).
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Language: 
Russian
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Article type: 
Article
UDC: 
54.061
EDN: 
FJKTJY

Novel degradable photocatalysts for wastewater treatment

Autors: 
Stepukhovich Мariya S. , Saratov State University
Abramova Anna M., Saratov State University
Bakal Artem A., Saratov State University
Goryacheva Irina Y., Saratov State University
Abstract: 

The weakening of the manmade load on the environment has become a global goal of humanity. The accumulation of toxic substances in effl uents can increase the acceleration of pollution of the planet’s watersheds, resulting in biota pollution. To solve this problem, it is necessary to create photocatalysts that cause self-excitation under the ignition of light. Also, important parameters of photocatalysts are simple synthesis and low cost. This article demonstrates a one-step approach to the synthesis of carbon nanostructures (CNS) with photocatalytic activity. For this purpose, the “green chemistry ” method is used – hydrothermal treatment of various polysaccharides (sodium dextran sulfate (SDS), starch, pectin), which opens up the possibility of recycling products. A comprehensive study of the properties of the synthesized CNS has been carried out. To study the optical properties of CNS, absorption and luminescence spectroscopy, and IR spectroscopy, have been used. The CNS obtained have been successfully used in the processes of photocatalytic destruction of a model of the organic dye tartrazine, which is widely used in the fi ber and textile industries. The eff ect of lyophilization on the photocatalytic properties of СNS has been studied, and cytotoxicity has been evaluated.

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Received: 
09.01.2023
Accepted: 
18.01.2023
Published: 
30.06.2023
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