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Adsorption of Folic Acid on The Surface of Charcoal Extracted from Pomegranate Peels

Ayat Ahmed shukran, Lekaa Hussain Khadim

World Journal of Chemical Education. 2024, 12(1), 19-29 doi:10.12691/wjce-12-1-4
  • Figure 1. UV-visible spectra of Folic acid in distil water pH (7)
  • Figure 2. Calibration curve of Folic acid in distilled water at pH =5
  • Figure 3. Impact of contact duration on the process of adsorption of 500mg/L of treatment at 307K and pH =5
  • Figure 4. Impact of the weight of activated charcoal on the process of adsorption of 500mg/L of medicine at 307 K and pH =5
  • Figure 5. Adsorption isotherms of folic acid drug on the surface of pomegranate peel charcoal at a temperature of 307 K and an acidic pH = 5
  • Figure 6. Langmuir isotherms at 307 K for adsorption of 500 mg / L of medicine on Activated Carbon from Pomegranate peel at pH =5
  • Figure 7. Freundlich isotherms at 307 K for adsorption of 500mg / L of medicine on Activated Carbon from Pomegranate peel at pH =5
  • Figure 8. Elovch isotherms at 307 K adsorption of 500 mg / L of medicine on Activated Carbon from Carbon from Pomegranate peel at pH =7
  • Figure 9. Harkin-Jura isotherm at 307 K for adsorption of 500 mg/L of medicine at pH =5
  • Figure 10. Temkin isotherm at 307 K for adsorption of 500 mg/L of medicine at pH =5
  • Figure 11. Dubinin isotherm at 307 K of 500 mg/L of folic acid at pH =5
  • Figure 12. Effect of pH on percentage removal of Folic acid on to pomegranate peel charcoal at 307K and conc. 500mg/L
  • Figure 13. Effect of temperature on adsorption of Folic acid of 500mg/L at pH =5
  • Figure 14. Relationship between the reciprocal of temperature and the equilibrium constant for the adsorption of (20ml) at a concentration of (500mg/L) of the pomegranate peel charcoal
  • Figure 15. Simple first order adsorption of folic acid on Pomegranate Peel charcoal in 307 K , pH= 5
  • Figure 16. Second–order adsorption of folic acid on Pomegranate Peel charcoal in 307 K ,PH=5