Search Results - "Hamdeh, Hussein H"

Hydrogenation of Carbon Dioxide over K‐Promoted FeCo Bimetallic Catalysts Prepared from Mixed Metal Oxalates by Gnanamani, Muthu Kumaran, Hamdeh, Hussein H., Jacobs, Gary, Shafer, Wilson D., Hopps, Shelley D., Thomas, Gerald A., Davis, Burtron H.

“…The hydrogenation of carbon dioxide over K‐promoted FeCo bimetallic catalysts prepared by sequential oxalate decomposition and carburization of FeCo with CO…”
Get full text

Effect of Support Pretreatment Temperature on the Performance of an Iron Fischer–Tropsch Catalyst Supported on Silica-Stabilized Alumina by Kamyar Keyvanloo, Baiyu Huang, Trent Okeson, Hussein H. Hamdeh, William C. Hecker

“…The effect of support material pretreatment temperature, prior to adding the active phase and promoters, on Fischer–Tropsch activity and selectivity was…”
Get full text

Increased CO2 hydrogenation to liquid products using promoted iron catalysts by Shafer, Wilson D., Jacobs, Gary, Graham, Uschi M., Hamdeh, Hussein H., Davis, Burtron H.

“…Note: These runs were under the same conditions (i.e. temperature, pressure SV etc.), sampled with the same time-on-stream and utilized the same amount of…”
Get full text

Accessibility and selective stabilization of the principal spin states of iron by pyridyl versus phenolic ketimines: modulation of the 6A1 ↔ 2T2 ground-state transformation of the [FeN4O2]+ chromophore by Shongwe, Musa S, Al-Zaabi, Usama A, Al-Mjeni, Faizah, Eribal, Carla S, Sinn, Ekkehard, Al-Omari, Imaddin A, Hamdeh, Hussein H, Matoga, Dariusz, Adams, Harry, Morris, Michael J, Rheingold, Arnold L, Bill, Eckhard, Sellmyer, David J

“…Several potentially tridentate pyridyl and phenolic Schiff bases (apRen and HhapRen, respectively) were derived from the condensation reactions of…”
Get full text

Hydrogenation of Carbon Dioxide over Co–Fe Bimetallic Catalysts by Gnanamani, Muthu Kumaran, Jacobs, Gary, Hamdeh, Hussein H, Shafer, Wilson D, Liu, Fang, Hopps, Shelley D, Thomas, Gerald A, Davis, Burtron H

“…A series of Co–Fe bimetallic catalysts was prepared, characterized, and studied for the hydrogenation of carbon dioxide. The catalyst precursors were prepared…”
Get full text

Hydrogenation of carbon dioxide over iron carbide prepared from alkali metal promoted iron oxalate by Gnanamani, Muthu Kumaran, Hamdeh, Hussein H., Shafer, Wilson D., Hopps, Shelley D., Davis, Burtron H.

“…[Display omitted] •Decomposition of iron oxalate in CO atmosphere yields Hägg and theta carbides.•Alkali promoter affects the carburization of iron.•Fe with…”
Get full text

Mössbauer spectral analysis and Rietveld structural refinement for cationic distribution of Cr-Co ferrites by Beera, Chandra Sekhar, Dhanalakshmi, B., Jyothula, Sudhakar, Vujji, Avinash, Ramesh, S., Rao, B. Parvatheeswara, Hamdeh, Hussein.H.

Get full text

Enhanced thermal and dielectric performance in ternary PVDF/PVP/Co3O4 nanocomposites by Taha, Taha Abdel Mohaymen, Mahmoud, Mohammed H, Hamdeh, Hussein H

“…The main objective of this research was to prepare high thermal and dielectric performance PVDF/PVP/Co3O4 nanocomposites (PVDF, oply(vinylidene fluoride); PVP,…”
Get full text

Effect of Gallium Additions on Reduction, Carburization and Fischer–Tropsch Activity of Iron Catalysts by Beasley, Charles, Gnanamani, Muthu Kumaran, Hamdeh, Hussein H., Martinelli, Michela, Davis, Burtron H.

“…Undoped and gallium-doped iron oxide catalysts (100Fe, 100Fe:2Ga, and 100Fe:5Ga) were prepared by following a continuous co-precipitation technique using…”
Get full text

Fischer-Tropsch synthesis: Effect of CO conversion on CH4 and oxygenate selectivities over precipitated Fe-K catalysts by Ma, Wenping, Shafer, Wilson D., Jacobs, Gary, Yang, Jia, Sparks, Dennis E., Hamdeh, Hussein H., Davis, Burtron H.

“…[Display omitted] •CH4 selectivity displayed an asymmetric “V” trend with CO conversion.•Adding K (x = 2+) suppressed the CO conversion effect on CH4…”
Get full text

Fischer-Tropsch Synthesis: Morphology, Phase Transformation, and Carbon-Layer Growth of Iron-Based Catalysts by Pendyala, Venkat Ramana Rao, Graham, Uschi M., Jacobs, Gary, Hamdeh, Hussein H., Davis, Burtron H.

“…The morphological, phase transformations and carbon‐layer growth for unpromoted and K‐promoted iron catalysts were investigated over time during…”
Get full text

Fischer–Tropsch Synthesis: Deactivation as a Function of Potassium Promoter Loading for Precipitated Iron Catalyst by Pendyala, Venkat Ramana Rao, Graham, Uschi M., Jacobs, Gary, Hamdeh, Hussein H., Davis, Burtron H.

“…The effect of potassium promoter loading (0, 0.5, 1.0 and 2.0 atomic ratio) on the performance of precipitated iron catalysts was investigated during…”
Get full text

Fischer–Tropsch synthesis: Effect of ammonia in syngas on the Fischer–Tropsch synthesis performance of a precipitated iron catalyst by Ma, Wenping, Jacobs, Gary, Sparks, Dennis E., Pendyala, Venkat Ramana Rao, Hopps, Shelley G., Thomas, Gerald A., Hamdeh, Hussein H., MacLennan, Aimee, Hu, Yongfeng, Davis, Burtron H.

“…[Display omitted] •Effects of NH3 derived from 3 precursors on Fe catalyst performance were examined.•Phases of Fe at different times were evaluated by…”
Get full text

Effect of H2S in syngas on the Fischer–Tropsch synthesis performance of a precipitated iron catalyst by Ma, Wenping, Jacobs, Gary, Sparks, Dennis E., Shafer, Wilson D., Hamdeh, Hussein H., Hopps, Shelley D., Pendyala, Venkat Ramana Rao, Hu, Yongfeng, Xiao, Qunfeng, Davis, Burtron H.

“…[Display omitted] •The limit/sensitivity of an Fe–K catalyst to H2S was determined to be 50ppb.•H2S poisoning of the Fe–K catalyst was defined by Fe/S…”
Get full text

Fischer–Tropsch synthesis: Mössbauer investigation of iron containing catalysts for hydrogenation of carbon dioxide by Gnanamani, Muthu Kumaran, Jacobs, Gary, Hamdeh, Hussein H., Shafer, Wilson D., Davis, Burtron H.

“…[Display omitted] ► Hydrogenation of CO2 was carried out using high α-Fe catalyst at 523K and 2.06MPa. ► An Fe-phase change occurs (χ-Fe5C2→Fe3O4) after…”
Get full text

Fischer–Tropsch Synthesis: Effects of Hydrohalic Acids in Syngas on a Precipitated Iron Catalyst by Ma, Wenping, Jacobs, Gary, Thomas, Gerald A, Shafer, Wilson D, Sparks, Dennis E, Hamdeh, Hussein H, Davis, Burtron H

“…The current investigation was undertaken to identify limits of hydrohalic acid (HX, X = F, Cl, Br) impurities in syngas and shed light on the mechanism of HX…”
Get full text

Fischer–Tropsch Synthesis: Effect of Activation Gas After Varying Cu Promoter Loading Over K-Promoted Fe-Based Catalyst by Pendyala, Venkat Ramana Rao, Jacobs, Gary, Hamdeh, Hussein H., Shafer, Wilson D., Sparks, Dennis E., Hopps, Shelley, Davis, Burtron H.

“…The effects of activation gas and copper promoter loading on the Fischer–Tropsch synthesis performance of potassium promoted precipitated iron-based catalysts…”
Get full text

Fischer–Tropsch Synthesis: Effect of Potassium on Activity and Selectivity for Oxide and Carbide Fe Catalysts by Gnanamani, Muthu Kumaran, Hamdeh, Hussein H., Shafer, Wilson D., Sparks, Dennis E., Davis, Burtron H.

“…The effect of potassium on oxides and carbides of iron for Fischer–Tropsch synthesis (FTS) was investigated by pretreating Fe 3 O 4 and K-promoted Fe catalysts…”
Get full text

Fischer-Tropsch Synthesis: Effect of Water Over Iron-Based Catalysts by Pendyala, Venkat Ramana Rao, Jacobs, Gary, Mohandas, Janet C, Luo, Mingsheng, Hamdeh, Hussein H, Ji, Yaying, Ribeiro, Mauro C, Davis, Burtron H

“…The effect of water on the performance of potassium-promoted precipitated iron catalyst was investigated during Fischer-Tropsch synthesis (FTS) using a…”
Get full text

Fischer-tropsch synthesis : Morphology, phase transformation and particle size growth of nano-scale particles by SARKAR, Amitava, SETH, Deepyaman, DOZIER, Alan K, NEATHERY, James K, HAMDEH, Hussein H, DAVIS, Burtron H

“…An unpromoted ultrafine iron nano-particle catalyst was used for Fischer–Tropsch synthesis (FTS) in a CSTR at 270 °C, 175 psig, H2/CO = 0.7, and a syngas space…”
Get full text