International Journal of Engineering and Advanced Technology Studies (IJEATS)

EA Journals

Adsorption

Using Modified Nano- Hydroxyapatite for Removing Iron Ions Contaminants from Groundwater (Published)

In this article, concentrate about altered nano-hydroxyapatite (HAp) by nano-manganese oxide (Mn3O4) as adsorbent material to expel iron particles from ground-water. Various parameters were concentrated to choice ideal states of evacuating, for example, contact time, pH, beginning fixation, a measurement of adsorbent, disturbance speed and temperature. Energy studies included first request (R2 = 0.95), pseudo-first-request (R2 = 0.936), second-request (R2 = 0.98), pseudo-second-request (R2 = 0.99), Elovich condition model (R2 = 0.97), intraparticle dissemination (R2 = 0.96), Natarajan and Khalaf (R2 = 0.91) were completed, the acquired outcomes uncovered that the pseudo-second-request is the best to portray the adsorption procedure on the grounds that the connection coefficient is moving toward one (R2 = 0.95). Adsorption isotherm was determined by utilizing Freundlich, Langmuir and Temkin constants, adsorption limit from the Langmuir model was 0.606 mg/g. Thermodynamic parameters (ΔG, H = −55 KJ/mol, and S = −152 (KJ/mol)) for the adsorption procedure were additionally determined and talked about.

Keywords: Adsorption, Groundwater, Hydroxyapatite, Iron Ions, Kinetic, Manganese Oxide, Nano Materials, Thermodynamic

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