Corrosion mitigation for steel in acid environment using novel p-phenylenediamine and benzidine coumarin derivatives: synthesis, electrochemical, computational and SRB biological resistivity

Abstract

Three novel p-phenylenediamine and benzidine coumarin derivatives were synthetized (PhODB), (BODB) and (DODB), these compounds showed excellent anti corrosion effect for steel in 1.0 M HCl and significant SRB resistance.

Insights into the adsorption and corrosion inhibition properties of newly synthesized diazinyl derivatives for mild steel in hydrochloric acid: synthesis, electrochemical, SRB biological resistivity and quantum chemical calculations

“…These findings suggest that SRB can reduce corrosion formation, indicating that the inhibitor compounds TODB and DODB have good biological activity against SRB. 65 …”

Ethyl ester/acyl hydrazide-based aromatic sulfonamides: facile synthesis, structural characterization, electrochemical measurements and theoretical studies as effective corrosion inhibitors for mild steel in 1.0 M HCl

“…This adsorption process includes the formation of a protective barrier layer over the metal surface, which shields it from aggressive components. 70 Fig. 15 shows the adsorption modes of p -TSAH and p -TSAE in order to inhibit the mild steel corrosion in a hydrochloric acid solution.…”

Effective corrosion inhibition of mild steel in hydrochloric acid by newly synthesized Schiff base nano Co(ii) and Cr(iii) complexes: spectral, thermal, electrochemical and DFT (FMO, NBO) studies

“…Table 5 lists the EIS parameters obtained by fitting the experimental EIS graphs to the chosen equivalent circuit. C dl is related to the CPE constants ( Y o and n ) by the equation: 53 C dl = [ Y R 1− n ct ] 1/ n …”