taghi rostamikia - Academia.edu (original) (raw)

Papers by taghi rostamikia

Research paper thumbnail of Competitive Hydrogenation of Benzene in Reformate Gasoline over Ni Supported on SiO2, SiO2–Al2O3, and Al2O3 Catalysts: Influence of Support Nature

Research paper thumbnail of Benzene Reduction in Reformate Gasoline by Competitive Hydrogenation: Effect of the Preparation Method

Research paper thumbnail of Pomegranate (Punica granatum) Peel Extract as a Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution

International Journal of Corrosion, 2015

The inhibition effect of pomegranate peel extract (PPE) on the corrosion of mild steel in hydroch... more The inhibition effect of pomegranate peel extract (PPE) on the corrosion of mild steel in hydrochloric acid (HCl) solution was investigated. The polarization, mass loss, and electrochemical impendence techniques were used to evaluate the corrosion inhibition performance of the pomegranate peel extract. The results revealed that PPE acts as a corrosion inhibitor in HCl solution. The inhibition efficiency increased with the increase of extract concentration. The inhibition action was attributed to the adsorption of the chemical compounds present in the extract solution, on mild steel surface.

Research paper thumbnail of Pd and Pt supported on mesoporous silica, silica–alumina and alumina as catalysts for benzene elimination in reformate gasoline

Reaction Kinetics, Mechanisms and Catalysis

Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and use... more Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and used as supports. The corresponding Pd and Pt catalysts were investigated to reduce the benzene in reformate gasoline at 423–473 K. The catalysts were characterized by XRD, XRF, EDS-map, H2-adsorption, NH3-adsorption, Py-IR and N2 adsorption/desorption techniques. The influences of temperature on catalytic activity were studied by calculating the conversion and specific rate. All prepared catalysts showed high activity at low temperature. To evaluate the performance of catalysts, different H2/benzene molar ratios were used. The highest conversion of benzene is achieved at the low temperatures. The results demonstrated that the Pd/FDU12 catalyst has the best catalytic performance with suitable Lewis acid site properties. The MSA support demonstrated high activity in toluene conversion due to pore size and Brønsted and Lewis acid site amounts. Benzene molecules find a greater chance of hydrogenation at a high resident time in low H2/benzene molar ratio.

Research paper thumbnail of Pd and Pt supported on mesoporous silica, silica–alumina and alumina as catalysts for benzene elimination in reformate gasoline

Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and use... more Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and used as supports. The corresponding Pd and Pt catalysts were investigated to reduce the benzene in reformate gasoline at 423–473 K. The catalysts were characterized by XRD, XRF, EDS-map, H2-adsorption, NH3-adsorption, Py-IR and N2 adsorption/desorption techniques. The influences of temperature on catalytic activity were studied by calculating the conversion and specific rate. All prepared catalysts showed high activity at low temperature. To evaluate the performance of catalysts, different H2/benzene molar ratios were used. The highest conversion of benzene is achieved at the low temperatures. The results demonstrated that the Pd/FDU12 catalyst has the best catalytic performance with suitable Lewis acid site properties. The MSA support demonstrated high activity in toluene conversion due to pore size and Brønsted and Lewis acid site amounts. Benzene molecules find a greater chance of hydrog...

Research paper thumbnail of Cesium-Ion Selective Electrode Based on Pyrone Compound

New synthetic Cs + selective carrier, derivative of γ-pyrone, has been used as ionophore in liqui... more New synthetic Cs + selective carrier, derivative of γ-pyrone, has been used as ionophore in liquid membrane electrode. The sensor exhibits a Nernstian response (57.7 mV per decade at 298 K) for Cs + ions over a wide concentration range (1 x 10 - 1 -3 x 10 - 5 M) with detection limit of 3 x 10 - 5 M. It has a relatively fast response time (t 9 0 % = 17s, t 1 m V = 46 s) and can be used for at least 75 days without any considerable divergence in potentials. The selectivity coefficients for cesium with respect to alkali, alkaline earth, hydrogen, ammonium and transition metal ions were determined by separate solution method. In order to study the dynamic response behaviour of membrane electrode based on neutral-carrier, the variation of potential response of cesium selective electrode with time was recorded and the agreement of experimental results with many physical models, for mechanism of transient, was investigated.

Research paper thumbnail of Competitive Hydrogenation of Benzene in Reformate Gasoline over Ni Supported on SiO2, SiO2–Al2O3, and Al2O3 Catalysts: Influence of Support Nature

Research paper thumbnail of Benzene Reduction in Reformate Gasoline by Competitive Hydrogenation: Effect of the Preparation Method

Research paper thumbnail of Pomegranate (Punica granatum) Peel Extract as a Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution

International Journal of Corrosion, 2015

The inhibition effect of pomegranate peel extract (PPE) on the corrosion of mild steel in hydroch... more The inhibition effect of pomegranate peel extract (PPE) on the corrosion of mild steel in hydrochloric acid (HCl) solution was investigated. The polarization, mass loss, and electrochemical impendence techniques were used to evaluate the corrosion inhibition performance of the pomegranate peel extract. The results revealed that PPE acts as a corrosion inhibitor in HCl solution. The inhibition efficiency increased with the increase of extract concentration. The inhibition action was attributed to the adsorption of the chemical compounds present in the extract solution, on mild steel surface.

Research paper thumbnail of Pd and Pt supported on mesoporous silica, silica–alumina and alumina as catalysts for benzene elimination in reformate gasoline

Reaction Kinetics, Mechanisms and Catalysis

Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and use... more Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and used as supports. The corresponding Pd and Pt catalysts were investigated to reduce the benzene in reformate gasoline at 423–473 K. The catalysts were characterized by XRD, XRF, EDS-map, H2-adsorption, NH3-adsorption, Py-IR and N2 adsorption/desorption techniques. The influences of temperature on catalytic activity were studied by calculating the conversion and specific rate. All prepared catalysts showed high activity at low temperature. To evaluate the performance of catalysts, different H2/benzene molar ratios were used. The highest conversion of benzene is achieved at the low temperatures. The results demonstrated that the Pd/FDU12 catalyst has the best catalytic performance with suitable Lewis acid site properties. The MSA support demonstrated high activity in toluene conversion due to pore size and Brønsted and Lewis acid site amounts. Benzene molecules find a greater chance of hydrogenation at a high resident time in low H2/benzene molar ratio.

Research paper thumbnail of Pd and Pt supported on mesoporous silica, silica–alumina and alumina as catalysts for benzene elimination in reformate gasoline

Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and use... more Mesoporous silica FDU12 and mesoporous silica–alumina (MSA) were successfully synthesized and used as supports. The corresponding Pd and Pt catalysts were investigated to reduce the benzene in reformate gasoline at 423–473 K. The catalysts were characterized by XRD, XRF, EDS-map, H2-adsorption, NH3-adsorption, Py-IR and N2 adsorption/desorption techniques. The influences of temperature on catalytic activity were studied by calculating the conversion and specific rate. All prepared catalysts showed high activity at low temperature. To evaluate the performance of catalysts, different H2/benzene molar ratios were used. The highest conversion of benzene is achieved at the low temperatures. The results demonstrated that the Pd/FDU12 catalyst has the best catalytic performance with suitable Lewis acid site properties. The MSA support demonstrated high activity in toluene conversion due to pore size and Brønsted and Lewis acid site amounts. Benzene molecules find a greater chance of hydrog...

Research paper thumbnail of Cesium-Ion Selective Electrode Based on Pyrone Compound

New synthetic Cs + selective carrier, derivative of γ-pyrone, has been used as ionophore in liqui... more New synthetic Cs + selective carrier, derivative of γ-pyrone, has been used as ionophore in liquid membrane electrode. The sensor exhibits a Nernstian response (57.7 mV per decade at 298 K) for Cs + ions over a wide concentration range (1 x 10 - 1 -3 x 10 - 5 M) with detection limit of 3 x 10 - 5 M. It has a relatively fast response time (t 9 0 % = 17s, t 1 m V = 46 s) and can be used for at least 75 days without any considerable divergence in potentials. The selectivity coefficients for cesium with respect to alkali, alkaline earth, hydrogen, ammonium and transition metal ions were determined by separate solution method. In order to study the dynamic response behaviour of membrane electrode based on neutral-carrier, the variation of potential response of cesium selective electrode with time was recorded and the agreement of experimental results with many physical models, for mechanism of transient, was investigated.