Peter Chukwuemeka Okafor

Natural synephrine as an eco-friendly corrosion inhibitor for steel in acidic conditions: experimental and theoretical study

Wilfred Emori, Koyonor J. Liwhuliwhe, Okpo O. Ekerenam, Peter Chukwuemeka Okafor et autres

This study presents an anti-corrosion strategy for carbon steel in 1 M HCl using synephrine, a phytochemical derived from Citrus aurantium. Synephrine was extensively analyzed using FTIR and NMR techniques, while its anti-corrosion properties were examined through electrochemical and computational studies (conceptual …

Natural synephrine as an eco-friendly corrosion inhibitor for steel in acidic conditions: experimental and theoretical study

Wilfred Emori, Koyonor J. Liwhuliwhe, Okpo O. Ekerenam, Peter Chukwuemeka Okafor et autres

This study presents an anti-corrosion strategy for carbon steel in 1 M HCl using synephrine, a phytochemical derived from Citrus aurantium. Synephrine was extensively analyzed using FTIR and NMR techniques, while its anti-corrosion properties were examined through electrochemical and computational studies (conceptual …

Effect of multi-factor coupling on microbiologically induced corrosion of oil/gas pipeline steel: A review of mitigation strategies and challenges

Victor Malachy Udowo, Maryann C. Ebeagwu, Alexander Immaanyikwa Ikeuba, Peter Chukwuemeka Okafor

From subsea to under-ground pipeline steel, microbiologically induced corrosion (MIC) poses significant threats, undermining material integrity and engineering efforts aimed at curbing the menace. Although many sophisticated alloys have been developed to resist MIC, research shows that the finished steel pipes are …

Nigéria, cn (code pays fourni par la source)

Microbial under-deposit corrosion of pipeline steel in alkali/surfactant/polymer solution

Victor Malachy Udowo, Maocheng Yan, Fuchun Liu, Peter Chukwuemeka Okafor et autres

cn, Nigéria (code pays fourni par la source)

Untangling the intricacies of redox reactions on Poly(3,4-ethylenedioxythiophene) in anoxic bacteria environment

Victor Malachy Udowo, Fuchun Liu, Bowen Gao, Peter Chukwuemeka Okafor

cn, Nigéria (code pays fourni par la source)

Unveiling the potency of tetrahydropalmitine as a green anticorrosion material for 2024 aluminum alloy in acid-chloride environments

Wilfred Emori, Rita Emmanuel Odey, Paul C. Okonkwo, Demian I. Njoku et autres

cn, om, Nigéria (code pays fourni par la source)

A review of the application of ionic liquids as eco-friendly corrosion inhibitors for steel, aluminum, copper and magnesium alloys

Alexander Immaanyikwa Ikeuba, Nelson Essiet, Obinna C. Echem, Nnaemeka Ezenobi et autres

This review examines the corrosion inhibition performance of ionic liquids used as corrosion inhibitors for aluminum, copper, magnesium, steel, and their alloys in various aqueous media. The predominant classes of ionic liquids employed are imidazolium, triazolium, thiazolium, phosphonium, pyridium, ammonium, pyrrolidinium, and …

Nigéria (code pays fourni par la source)

Enhanced sensing of bacteria biomarkers by ZnO and graphene oxide decorated PEDOT film

Victor Malachy Udowo, Tomsmith O. Unimuke, Hitler Louis, Inime Ime Udoh et autres

Developing a biofilm biomarker detector and inhibitor will immensely benefit efforts geared at curbing infectious diseases and microbiologically induced corrosion of medical implants, marine vessels and buried steel pipelines. N-Acyl homoserine lactones (AHLs) are important biomarkers gram-negative bacteria use for communication. In …

cn, Nigéria, in, dk (code pays fourni par la source)

Synergistic Effect of Magnetite-Enriched Rust Layer and Sulfate Reducing Bacteria on Pipeline Steel Corrosion in Oilfield Produced Water

Victor Malachy Udowo, Fuchun Liu, Maocheng Yan, Peter Chukwuemeka Okafor

Abstract Research shows that microorganisms play a significant role in corrosion of buried steel pipes. Partially hydrolyzed polyacrylamide (HPAM), a polymer commonly used to enhance oil recovery (EOR) from reservoirs, has been found to benefit microorganisms as a nutrient source, resulting in …

cn, Nigéria (code pays fourni par la source)

A combined electrochemical and DFT investigation of ornidazole as a benign anti-corrosion agent for carbon steel materials in acidizing environments

Alexander Immaanyikwa Ikeuba, Fina Otosi Faithpraise, Kenneth Izuchukwu Nwokolo, Fehintola E. Umo et autres

The corrosion inhibition performance of ornidazole was investigated as an eco-friendly option during the acid cleaning of carbon steel using potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) in combination with density functional theory (DFT) simulations. The inhibition efficiency was noted to …

Nigéria (code pays fourni par la source)

Computational and experimental study of the electronic and chemical changes of graphene oxide-doped PEDOT in aqueous solution

Victor Malachy Udowo, Fuchun Liu, Peter Chukwuemeka Okafor, Hitler Louis

cn, Nigéria (code pays fourni par la source)

Optimized Adsorption of Pb(II) ION from Aqueous Solution Using Sharp Sand: Ann and RSM Modelling

Chinyelu I. Egwuatu, Peter Chukwuemeka Okafor, Juliana Onyema Ndubuisi, Phina Chinelo Ezeagwu

Aim: This study was aimed at using sharp sand as an adsorbent to optimize the removal of Pb ionsfrom simulated water and water obtained from Enyigba River. Study Design: Adsorption experiment was designed using Response Surface Methodology (RSM). Artificial Neural Network (ANN) …

Nigéria (code pays fourni par la source)