Search Results - "Aitani, Abdullah M."

Selective production of xylenes from alkyl-aromatics and heavy reformates over dual-zeolite catalyst by Ali, Syed A., Aitani, Abdullah M., Čejka, Jiří, Al-Khattaf, Sulaiman S.

“…•MFI exhibits high dealkylation activity while MOR showed high transalkylation activity.•Dual-zeolite (MOR+MFI) catalyst for dealkylation–transalkylation of…”
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Catalytic cracking of heavy naphtha-range hydrocarbons over different zeolites structures by AL-SHAMMARI, Abdallah A, ALI, Syed A, AL-YASSIR, Nabil, AITANI, Abdullah M, OGUNRONBI, Kehinde E, AL-MAJNOUNI, Khalid A, AL-KHATTAF, Sulaiman S

“…The effects of textural, structural, morpholgical, and acidic properties of HZSM-5, H-mordenite and (MFI/MOR) composite zeolite on the catalytic cracking of…”
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Catalysis of metal supported zeolites for dealkylation–transalkylation of alkyl-aromatics by Al-Khattaf, Sulaiman S., Ali, Syed A., Aitani, Abdullah M., Al-Nawad, Khalid J., Chiu, Chih-Hsuan, Tsai, Tseng Chang

“…[Display omitted] •Potential application of layered MWW-type zeolites for dealkylation–transalkyation was explored.•Effects of zeolite topology, metal (Pt or…”
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Enhanced light olefins production via n-pentane cracking using modified MFI catalysts by Qureshi, Ziyauddin S., Arudra, Palani, Bari Siddiqui, M.A., Aitani, Abdullah M., Tanimu, Gazali, Alasiri, Hassan

“…n-pentane catalytic cracking was studied over a series of MFI zeolites with varying SiO2/Al2O3 ratios (30, 80, 280, 500, and 1500) using a fixed-bed reactor…”
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Recent Advances in Reactions of Alkylbenzenes Over Novel Zeolites: The Effects of Zeolite Structure and Morphology by Al-Khattaf, Sulaiman, Ali, Syed A., Aitani, Abdullah M., Žilková, Naděžda, Kubička, David, Čejka, Jiří

“…Alkylbenzenes form an important segment of petrochemical industry for the manufacture of widely used commodities and specialty products. Since the last review…”
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Infrared Study of Silanol Groups on Dealuminated High Silica MFI Zeolite to Correlate Different Types of Silanol Groups with Activity for Conversion of 1-Butene to Propene by Hattori, Hideshi, Arudra, Palani, Abdalla, Amr, Aitani, Abdullah M., Al-Khattaf, Sulaiman S.

“…Infrared spectra of dealuminated high silica MFI zeolites were measured to elucidate the structure of silanol groups active for conversion of 1-butene to…”
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Silicalite‑1 As Efficient Catalyst for Production of Propene from 1‑Butene by Arudra, Palani, Bhuiyan, Tazul Islam, Akhtar, Muhammad Naseem, Aitani, Abdullah M., Al-Khattaf, Sulaiman S., Hattori, Hideshi

“…Reaction of 1-butene was studied over silicalite-1 and H-ZSM-5 zeolites with different Al contents (SiO2/Al2O3 molar ratio (Si/Al2) = 23, 80, and 280) to…”
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Catalytic cracking of vacuum gasoil over -SVR, ITH, and MFI zeolites as FCC catalyst additives by Hussain, Abdelrahman I., Palani, Arudra, Aitani, Abdullah M., Čejka, Jiří, Shamzhy, Mariya, Kubů, Martin, Al-Khattaf, Sulaiman S.

“…The cracking behaviour of three medium-pore zeolites -SVR, ITH, and MFI, with varying Si/Al molar ratio, was evaluated using an equilibrium FCC catalyst…”
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Metathesis of 2-butene to propylene over W-mesoporous molecular sieves: A comparative study between tungsten containing MCM-41 and SBA-15 by Bhuiyan, Tazul Islam, Arudra, Palani, Akhtar, Muhammad Naseem, Aitani, Abdullah M., Abudawoud, Raed H., Al-Yami, Mohammed A., Al-Khattaf, Sulaiman S.

“…•Mesoporous silica (SBA-15 & MCM-41) having tungsten in the framework synthesized.•Tungsten supported on mesoporous silica following wet impregnation.•Detailed…”
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Hierarchical composite catalysts of MCM-41 on zeolite Beta for conversion of heavy reformate to xylenes by Ali, Syed A., Almulla, Faisal M., Jermy, B. Rabindran, Aitani, Abdullah M., Abudawoud, Raed H., AlAmer, Mohammed, Qureshi, Ziyauddin S., Mohammad, Thamer, Alasiri, Hassan S.

“…[Display omitted] •Hierarchical composites of MCM-41 on zeolite Beta were synthesized.•Mesophase and bimodal pore structure transformed into ordered/disordered…”
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Zinc oxide as efficient additive to cesium ion-exchanged zeolite X catalyst for side-chain alkylation of toluene with methanol by Hattori, Hideshi, Amusa, Abdulhameed A., Jermy, Rabindran B., Aitani, Abdullah M., Al-Khattaf, Sulaiman S.

“…[Display omitted] •Addition of ZnO to Cs-X enhances toluene conversion and styrene selectivity.•Role of ZnO is to promote the formaldehyde formation from…”
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25th Annual Saudi-Japan Symposium: Catalysts in Petroleum Refining and Petrochemicals, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia, December 7–8, 2015 by Aitani, Abdullah M.

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Modification of Cs-X for styrene production by side-chain alkylation of toluene with methanol by ALABI, Wahab O, TOPE, Balkrishna B, JERMY, Rabindran B, AITANI, Abdullah M, HATTORI, Hideshi, AL-KHATTAF, Sulaiman S

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Side-chain alkylation of toluene with methanol to styrene over cesium ion-exchanged zeolite X modified with metal borates by Tope, Balkrishna B., Alabi, Wahab O., Aitani, Abdullah M., Hattori, Hideshi, Al-Khattaf, Sulaiman S.

“…[Display omitted] ► Metal borate modified-Cs-X shows a high activity to form styrene from toluene and methanol. ► Among metal borates, zirconium borate is most…”
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Meeting Report 24th Annual Saudi–Japan Symposium: Catalysts in Petroleum Refining & Petrochemicals, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia, December 1–2, 2014 by Aitani, Abdullah M.

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Alkylation of toluene with ethanol to para-ethyltoluene over MFI zeolites: Comparative study and kinetic modeling by Ogunbadejo, Babatunde A., Osman, Mogahid S., Arudra, Palani, Aitani, Abdullah M., Al-Khattaf, Sulaiman S.

“…•An increase in MFI crystal size suppressed isomerization and yielded a para-selective ethylation catalyst.•Si/Al ratio, concentration of acid sites, and…”
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Experimental and kinetic studies of ethyltoluenes production via different alkylation reactions by Atanda, Luqman A., Aitani, Abdullah M., Al-Khattaf, Sulaiman S.

“…Plausible reaction pathway for toluene alkylation with ethanol. •Toluene ethylation proceeds faster than methylation of EB over ZSM-5 and MOR.•Kinetic…”
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Pathway to Ethylbenzene Formation in Side-Chain Alkylation of Toluene with Methanol Over Cesium Ion-Exchanged Zeolite X by Hattori, Hideshi, Alabi, Wahab O., Jermy, B. Rabindran, Aitani, Abdullah M., Al-Khattaf, Sulaiman S.

“…To control the styrene to ethylbenzene ratio in the products of side-chain alkylation of toluene with methanol over Cs-X-based catalysts, pathway to…”
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Influence of toluene–tetramethylbenzene transalkylation on heavy aromatics conversion to xylenes by Al-Khattaf, Sulaiman S., Ali, Syed A., Osman, Mogahid S., Aitani, Abdullah M.

“…Transalkylation of toluene–tetramethylbenzene (TeMB) over MOR and BEA was investigated at 250–400°C. Conversion of TeMB was higher than trimethylbenzene (TMB)…”
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Experimental determination of high-severity fluidized catalytic cracking (HS-FCC) deactivation constant by Abul-Hamayel, Mohammad A, Siddiqui, M.Abdul-Bari, Ino, Takashi, Aitani, Abdullah M

“…This paper presents the results of an investigation carried out to experimentally determine the deactivation constant of a fluid catalytic cracking (FCC)…”
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