Probing the Photocatalytic Degradation of Acid Orange 7 Dye with Chitosan Impregnated Hydroxyapatite/Manganese Dioxide Composite

Hydroxyapatite (HA), is the major component present in bone minerals which has remarkable properties due to its bioactivity and biocompatibility. Fish bone is a natural biowaste contains calcium phosphate act as main constituent for hydroxyapatite. Based on the potential characteristic nature of HA,...

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Bibliographic Details
Published in:Journal of inorganic and organometallic polymers and materials 2023, Vol.33 (1), p.170-184
Main Authors: Ahamed, A. Fiaz, Kalaivasan, N., Thangaraj, R.
Format: Article
Language:English
Subjects:
Biocompatibility
Biomedical materials
Calcium phosphates
Chemistry
Chemistry and Materials Science
Chitosan
Dyes
Field emission microscopy
Fourier transforms
Hydroxyapatite
Infrared spectroscopy
Inorganic Chemistry
Manganese dioxide
Orange II
Organic Chemistry
Photocatalysis
Photodegradation
Polymer Sciences
Ultraviolet radiation
Wastewater
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Summary:Hydroxyapatite (HA), is the major component present in bone minerals which has remarkable properties due to its bioactivity and biocompatibility. Fish bone is a natural biowaste contains calcium phosphate act as main constituent for hydroxyapatite. Based on the potential characteristic nature of HA, in this study our aim is to prepare HA from fish bone, then incorporated by using manganese dioxide (MN) and chitosan (CS) to get composite (HA/MN/CS) which possess effective behaviour in environmental applications. Predominantly the composite is to enhance the photocatalytic property of HA/MN/CS and also has been evaluated for photodegradation of dye. Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and Field emission scan electron microscopy (FESEM) methods were used to characterize the composite formed. The as-prepared composite were used to degrade the dye AO7 under direct sunlight irradiation, UV light (254 nm and 365 nm wavelength). The result shows that composite have better degrade the dye AO7 under 365 nm of 93% within 90 min of exposure to reveal the environmental application of the composite. This present study utilize the composite for the degradation of dye and it would be a safer, non-toxic, and potential candidate for the photodegradation of organic dyes in wastewater. Graphical Abstract
ISSN:1574-1443
1574-1451
DOI:10.1007/s10904-022-02492-w