The Analysis of Adsorption Phenomenon for Nano silica with Some Radionuclides Released in The Primary Coolant of PWR

Abdel‐Goad, Mahmoud; Mahmoud, N. S.; Saad, Basma

doi:10.21608/ejchem.2019.16068.1997

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2022

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“…The extent of graft co-polymer nanoparticle on carbon steel s calculated via equation 4. 𝜽 = 𝜼% 𝟏𝟎𝟎 ……………….. (4) Where, θ : Surface coverage , η% : Inhibition efficiency . [33][34][35] Potentiostatic Polarization Measurement Potentiodynamic polarization measurements were used to test the corrosion inhibition efficiency (η%) of carbon steel by graft co-polymer nanoparticle in 1 M H2SO4. The experiments were carried out at temperature 293K , in presence of different concentrations of graft co-polymer nanoparticle (0.2, 0.4, 0.6, and 0.8 mol).…”

Section: Surface Coveragementioning

confidence: 99%

Graft Co-Polymer Nano Particle as Carbon Steel Corrosion Inhibitor in 1M H2SO4 At 293K

Abood¹,

Salman

AL-Baiati

et al. 2022

Egypt. J. Chem.

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New graft co-polymer nano-particle (coating nano-polymer) was prepared as a corrosion inhibitor in 1M sulfuric acid. The synthesized coating nano-polymer was characterized by FT-IR, 1 H NMR and atomic force microscope (AFM). Synthesized coating nano-polymer mixed with acrylic acid in different proportion (0.2-0.8 mole: 293K: 30 min). Potential-dynamic polarization technique is used to get current corrosion, inhibition efficiency, cathodic and anodic Tafel slopes with examination of concentration influence on inhibition efficiency, the results revealed that the inhibition efficiency increases as inhibitor concentration increases. The maximum inhibition recorded efficiency 93% at 0.8 mol.

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Section: Surface Coveragementioning

confidence: 99%