Abstract
This study presents, biosynthesis of calcinated eggshell (CES) doped with Titanium dioxide (TiO2,) photocatalyst for photodegradation of methylene blue from synthetic wastewater. The influence of three independent variables for improving photodegradation efficiency was investigated and optimized using response surface methodology of Box–Behnken Design on the removal of methylene blue using the calcined chicken eggshells (CES) doped with titanium dioxide. The experimental result showed that 95.8% degradation efficiency of methylene blue by prepared photocatalyst at a contact time of 180 min, initial concentration of methylene blue of 10 ppm, and calcined eggshells (CES) doped with titanium dioxide dose of 2.5 g/L. The synthesized photocatalyst was characterized by Fourier-transform infrared spectroscopy, UV-spectrometer, and X-ray diffractometer and UV–vis Spectroscopy for determined their functional group, structure, and bandgap energy respectively. Their results depict the calcined eggshell doped with titanium dioxide photocatalyst is a promising option for the degradation of methylene blue from industrial wastewater under the stated condition.HighlightsAnalysis of chicken eggshell wastes are being used as photocatalyst source to calcinated eggshell doped TiO2, i.e., ‘Waste to photocatalyst’ for production of viable sustainable products to bio photocatalyst from wastewater to fulfill the need of an expensive metal-doped catalyst.Photocatalytic degradation of Methylene Blue experiment has been done.The highest degradation efficiency of 95.8% methylene blue was obtained at a contact time of 180 min, 10 ppm of initial concentration of methylene blue, and a dopant dose of 2.5 g/L by using prepared photocatalyst.
Highlights
A day, the health problem connected with water pollution is the major and primary issue throughout the world [1]
The photocatalyst of Calcined Egg Shells (CES) doped titanium dioxide was characterized by FT-IR, XRD, and UV–vis Spectroscopy analysis for determination of their functional group, structure, and bandgap energy respectively
The prepared Calcine Eggshell doped titanium dioxide photocatalyst of functional group, structure, and bandgap energy was characterized by FT-IR, XRD, and UV–vis Spectroscopy analysis for respectively
Summary
The health problem connected with water pollution is the major and primary issue throughout the world [1]. In developing country most of the industries discharge wastewater to near around water stream without adequate treatment due to the lack of know-how, low-profit margins, failure to afford investment costs in pollution remediation equipment and technologies, and financial support [6]. Those who have better capital are not willing to install efficient treatment technologies, due to lack of governmental control and weak implementation of environmental policies in the country [7]. There is an urgent need towards providing a wastewater treatment option for these industries to allow environmentally friendly disposal of their wastewater that reaches specific effluent quality goals [8]
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