This PPT is about synthesis of Zinc ferrite and activated carbon nanocomposite. It also contains characterization and results

1. Synthesis of zinc ferrite and
Activated carbon composite
nanoparticles

2. Introduction
• With the fast growth of industries,
metropolitan areas and modern agricultural
developments cause toxic ions
contamination in water bodies.
• Textile dyeing is the second-largest polluter
of water and the fashion industry produces
20 percent of the world’s wastewater.

3. • Among different removal techniques, the
adsorption method has some well-being
assistances such as efficient and utilized with a low
working cost
• Adsorbents help us to decontaminate wastewater
and Photocatalyst helps us to decolorize
wastewater
• In this work Absorbent and Photocatalyst were
combined as a composite material for dye
degradation

4. Objective
• Main objective of this research work is to
synthesis Zinc ferrite and Activated carbon
(ZnFe2O4/AC) composite via co-precipitation
method and characterize the material in order
to determine properties and it’s
characteristics

5. Why Activated Carbon
• In Dye Degradation and water
purification, activated carbon removes
impurities and contaminants effectively
because of it’s high porosity, high surface area
and high adsorption capacity.
• It can be produced with low cost.

6. Preparation
50 ml of
double
distilled
water
50 ml of
double
distilled
water
Magnetic stirring
for 30 minutes
Magnetic stirring
for 30 minutes

7. Reaction Mixture
1g of PAC
Zinc Acetate
(with 0.2 Molarity)
Ferric Nitrate
(with 0.4 Molarity)
40 ml of
mixture
30 ml of
mixture
20 ml of
mixture
1g of PAC 1g of PAC

8. Aging process
Settled down precipitate
10 ml of 10% NaOH
Added
Magnetic stirring at
800 C with 400 rpm

9. • Dark brown with black precipitate was formed
and cooled at ambient conditions. Precipitate
was filtered to obtain ZnFe2O4/AC composite.
• The ZnFe2O4/AC composite was washed two
times with double distilled water to remove
unreacted NaOH and other substrates.
• The composite was annealed at 400 ◦C for 2 h
in a muffle furnace.

10. Result and Discussion
• X-Ray Diffraction

11. • The Crystalline size of the material was
determined using Scherrer’s formula,
D = kλ / β cos θ
Determined crystalline size from XRD
D = 8.183850206 nm
Lattice constant was determined using the
relation between interplanar spacing and
miller indices
a = 0.83477926 nm
And Strain also determined from XRD Pattern

12. • UV - visible spectrum
• t
The band gap was determined using Tauc Plot method.
Determined direct band gap energy = 1.953 eV

13. Application
• ZnFe2O4 /AC can be used as a adsorbent in
water purification and sewage treatment.
• It can be used as photocatalyst in dye
degradation
• It can be used as medicine to treat drug
overdoses and poisonings
• It can be used in gas sensors and many other
application

14. conclusion
• Our objective is to prepare the ZnFe2O4/AC
composite nanoparticles in a simple, cost
effective and eco-friendly way unlike chemical
processes.
• The XRD patterns indicate high crystalline
quality with very well defined peaks and
intense. Peaks were indexed as Spinel cubic
structure. Its also indicates that the prepared
material is in nano range
• The photocatalytic studies revealed that
ZnFe2O4/AC can act as a good photocatalysts.

15. Thank you