Extracts of the fruit Capsicum frutescens (CF) were assessed for anticorrosion and antimicrobial activity. The effect ethanol extract on low carbon steel in acidic media was studied experimentally using gravimetric, impedance, polarization techniques, while efficacy ethanol, methanol, water, petroleum spirit extracts respectively against corrosion-associated sulfate reducing bacteria (SRB), Desulfotomaculum species, agar disc diffusion method. CF effectively inhibited both corrosion SRB...

The corrosion response of mild steel in 0.5 M H2SO4 acid solution the presence Moringer oliefera (MO) leaf extract was investigated using gravimetric, electrochemical, and DFT techniques. Gravimetric results indicate that MO exhibits a high inhibition value up to 93.0% when concentration 1.5 g/L. Inhibition general increased with an increase extracts but decreased prolonged exposure time temperature. Analysis polarization curves indicated acted as mixed-type inhibitors. adsorption process on...

Abstract Background The inhibitive effect of the aqueous extract Coffee senna (CS) on corrosion mild steel in 1 M HCl and 0.5 H 2 SO 4 solutions was investigated by weight loss measurement as well potentiodynamic polarization electrochemical impedance spectroscopy (EIS) measurements. Result found to efficiently inhibit process both environments inhibition efficiency increased with concentration rise temperature. Data from measurements suggest that functioned adsorption organic matter...

The extract from the seeds of Aframomum Melegueta (AM) was investigated as corrosion inhibitor for mild steel in aerated 1 M HCl and 0.5 H2SO4 solutions using gravimetric electrochemical techniques. AM found to inhibit both cathodic anodic partial reactions process, via adsorption organic matter on metal/solution interface, described by Langmuir well Flory-Huggins isotherms. Corrosion rates all systems studied increased with rise temperature. Increasing temperature system enhanced inhibition...

The inhibition efficiency of Chrysophyllum albidum extract in controlling corrosion mild steel 1 M HCl has been evaluated by weight loss, potentiodynamic polarization and electrochemical impedance techniques at 303 K. effect immersion time temperature on the was also studied. Inhibition found to increase with increasing concentration but decrease temperature. Data from measurements suggest that functioned adsorption organic matter metal/corrodent interface, inhibiting both anodic cathodic...

The inhibition of corrosion mild steel in 1 molar hydrochloric acid solution (1 M HCl) by Mucuna pruriens seed extract (MPSE) was investigated weight-loss and electrochemical techniques.A significant decrease the rate observed presence additive efficiency found to depend on concentration MPSE.The potentiodynamic polarization data indicated that this mixed type, but anodic effect more pronounced.Nyquist plots showed increasing MPSE concentration, charge transfer resistance increased double...

Malachite green dye (MG) was studied as a corrosion inhibitor for aluminum in 1.0 mol dm−3 HCl and 0.5 KOH using the gravimetric technique. The results revealed an inhibiting effect of MG, which highly restrained M pronounced HCl. MG inhibited reaction acidic medium by adsorption on metal/solution interface following Flory-Huggins isotherm. Inhibition efficiency increased with concentration synergistically presence iodide ions, but decreased rise temperature. local reactivity molecule...

The inhibitive effect of the aqueous extract Rothmannia longiflora (RL) on corrosion mild steel in 1 M HCl and 0.5 H2SO4 solutions was investigated by weight loss measurement as well potentiodynamic polarization electrochemical impedance spectroscopy measurements. found to efficiently inhibit process both environments inhibition efficiency increased with increasing concentration rise temperature. Data from measurements suggest that functioned adsorption organic matter metal/corrodent...

Aqueous extracts of the leaves Anthocleista djalonesis (AD) have been investigated as non toxic corrosion inhibitors for mild steel in acidic environments (1 M HCl and 0.5 H 2 SO 4 , respectively).Corrosion rates were evaluated at 30 o C using weight loss, electrochemical impedance spectroscopy potentiodynamic polarization techniques.AD extract was found to inhibit both media via adsorption organic matter on metal/solution interface.Polarization data indicate that functioned a mixed...

Low-temperature hydrogen production from environmentally friendly liquid fuels such as methanol, ethanol, and formic acid for miniature fuel cells used in powering portable electronic devices is attracting reasonable attention. In this study, we present the findings decomposition of subsequent power generation within a microfluid cell. The cell system was engineered to incorporate palladium membrane at anode modified carbon Torray paper cathode. To assess performance, employed...

This work examines the efficacy and efficiency of Bucolzia coriacea (BC) Cninodoscolus chayansa (CC) plants extracts as corrosion inhibitors for aluminium pigments using gas volumetric technique. The results obtained from this study indicate that all inhibited process by extending latency periods pigment-extract mix far beyond bare pigment. Inhibition was not only concentration dependent but also plant followed order: BC>CC. A linear correlation between inhibition duration each extract....

Abstract An indirect fuel cell concept is presented herein, where a palladium‐based membrane (either pure Pd with 25 μm thickness or 75 Ag alloy 10 thickness) used to separate the electrochemical compartment from catalysis compartment. In this system, hydrogen generated hydrogen‐rich molecule, such as formic acid, and selectively permeated through into it then converted electricity. way, in situ, overcoming issues associated storage presenting chemical an attractive feasible alternative...

Bromophenol blue (BB) is an important triphenylmethane derivative widely used in research and industry as a dye or colorant for silk, leather, drugs. BB has high proclivity water contamination because of its solubility stability, causing damage to living organisms even low quantities. This study assessed the feasibility electrochemical biological decolorization using graphite-copper electrode indigenous microorganisms, respectively. It was found that effectiveness treatment improves with...

Abstract Purpose – The purpose of this paper is to study methyl green dye (MG) as a corrosion inhibitor for low carbon steel (LCS) in hydrochloric acid (1 M) and sulphuric (0.5 assess the effect temperature variation halide additives on inhibition efficiency. Design/methodology/approach Corrosion rates are monitored using gravimetric technique. Inhibition efficiency determined by comparing absence presence additives. Attempts also made elucidate mechanism from trend with change type anion....

Abstract The scrutiny of the impeding properties vigna radiata (VR) on mild steel corrosion in sour environs (1 M HCl and 0.5 H 2 SO 4 ) was done by means gravimetric, electrochemical impedance spectroscopy (EIS) potentiodynamic polarization methods (PDP). Polarization findings revealed that VR retarded process a mixed‐mode manner. Adsorption active components found to be line with Langmuir adsorption isotherm. obtained PDP result complemented EIS findings. Scanning electron microscopy...

Hibiscus sabdariffa, also known as Roselle belongs to Malvacae family. It is popularly in Nigeria Zobo. has been used traditionally cure certain ailments like cold, due its rich pharmacological potential. Hence this study aimed at validating the potential of sabdariffa by identification compounds present leaves using GC-MS technique. The extract was obtained heating ethanol under reflux. then subjected analysis. constituents were identified comparing their mass fragmentation (MS) pattern...