Search Results - "Al Hashimi, Saleh"
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Synthesis of Self-Pillared Zeolite Nanosheets by Repetitive Branching
Published in Science (American Association for the Advancement of Science) (29-06-2012)“…Hierarchical zeolites are a class of microporous catalysts and adsorbents that also contain mesopores, which allow for fast transport of bulky molecules and…”
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Density Functional Theory Study on the Adsorption of H2S and Other Claus Process Tail Gas Components on Copper- and Silver-Exchanged Y Zeolites
Published in Journal of physical chemistry. C (09-02-2012)“…The potential use of Cu- and Ag-exchanged Y zeolites as selective adsorbents for hydrogen sulfide (H2S) from Claus process tail gas was investigated with…”
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A high-performance adsorbent for hydrogen sulfide removal
Published in Microporous and mesoporous materials (15-05-2014)“…[Display omitted] •Adsorbents consisting of highly dispersed copper-zinc oxides on SBA-15 were synthesized.•Adsorbents show high capacity for H2S…”
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Kinetics and mechanism of olefin methylation reactions on zeolites
Published in Journal of catalysis (01-01-2012)“…Dimethyl ether methylation of olefins proceeds via the same mechanistic pathway on different zeolites, but with different rates of reaction showing that…”
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Mesoporous silica “plated” copper hydroxides/oxides heterostructures as superior regenerable sorbents for low temperature H2S removal
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (15-10-2020)“…[Display omitted] •Metal Oxide sorbents H2S adsorption regenerability is limited.•CuOH2/CuO/SiO2 heterostructures possess interconnected meso/macro pore…”
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Sub-40 nm Zeolite Suspensions via Disassembly of Three-Dimensionally Ordered Mesoporous-Imprinted Silicalite-1
Published in Journal of the American Chemical Society (26-01-2011)“…Zeolite nanocrystals were prepared from three-dimensionally ordered mesoporous-imprinted (3DOm-i) silicalite-1 by a fragmentation method involving sonication…”
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Application of waste heat powered absorption refrigeration system to the LNG recovery process
Published in International journal of refrigeration (01-06-2009)“…The recovery process of the liquefied natural gas requires low temperature cooling, which is typically provided by the vapor compression refrigeration systems…”
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Coating of Open Cell Foams
Published in Industrial & engineering chemistry research (11-07-2012)“…The interior surfaces of three-dimensional open cell foams were coated by a combination of dip coating and spin coating. Glycerol/water solutions were used as…”
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Investigation of Kinetics and Mechanism Involved in the Biosorption of Heavy Metals on Activated Sludge
Published in International journal of green energy (01-01-2008)“…An investigation has been undertaken to determine the removal of heavy metals (Cd 2+ , Cu 2+ , Ni 2+ and Zn 2+ ) of high environmental priority due to their…”
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Journal Article Conference Proceeding -
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Catalytic Behavior of Brønsted Acid Sites in MWW and MFI Zeolites with Dual Meso- and Microporosity
Published in ACS catalysis (07-01-2011)“…The catalytic behavior of Brønsted acid sites in three acidic zeolite materials (one MWW and two MFI zeolites) containing dual meso-/microporosity was studied…”
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β‑Scission of Olefins on Acidic Zeolites: A Periodic PBE‑D Study in H‑ZSM‑5
Published in Journal of physical chemistry. C (14-11-2013)“…Eight β-scission modes involving C6 and C8 olefin isomers are investigated using dispersion-corrected density functional theory (i.e., PBE-D) calculations…”
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H2S adsorption by Ag and Cu ion exchanged faujasites
Published in Microporous and mesoporous materials (01-12-2011)Get full text
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High-Capacity Regenerable H2S Sorbent for Reducing Sulfur Emissions
Published in Industrial & engineering chemistry research (20-10-2021)“…The separation of H2S from natural gas, biogas, and coal gas is an essential process that requires large energy input and high capital costs. We propose a new…”
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High-Capacity Regenerable H 2 S Sorbent for Reducing Sulfur Emissions
Published in Industrial & engineering chemistry research (20-10-2021)Get full text
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Combined DFT and experimental investigation on ion isomorphic substitution of aluminophosphate microporous crystals
Published in Microporous and mesoporous materials (01-03-2020)“…Isomorphic substitution of zeolite and zeotype materials can affect significantly their application performance. The work presented herein assesses the impact…”
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Economic assessment of Temperature Swing Adsorption systems as Claus Tail Gas Clean Up Units
Published in Chemical engineering science (14-04-2015)Get full text
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Alkane Metathesis by Tantalum Metal Hydride on Ferrierite: A Computational Study
Published in Journal of physical chemistry. C (26-05-2011)“…The full catalytic cycle for the self-metathesis of ethane was studied by density functional theory (DFT). The active site was a Ta-dihydride grafted on a…”
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Corrigendum to “Kinetics and mechanism of olefin methylation reactions over zeolites”
Published in Journal of catalysis (01-07-2012)Get full text
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H 2S adsorption by Ag and Cu ion exchanged faujasites
Published in Microporous and mesoporous materials (2011)“…[Display omitted] ► Ag faujasite can remove ppm levels of H 2S from mixtures similar to Claus tail gas. ► Cu faujasites exhibit H 2S adsorption capacities…”
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