Heteroatom Lewis acid zeolites: synthesis, characterization and application in the conversion of biomass-derived oxygenates

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(14), P. 8068 - 8099

Published: Jan. 1, 2024

This review summarizes recent advances in the synthesis, characterization and application of heteroatom (Ti, Zr, Sn, Hf) Lewis acid zeolites conversion biomass-derived oxygenates.

Language: Английский

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The lattice Boltzmann method for mass transfer of miscible multicomponent mixtures: A review

Physics of Fluids, Journal Year: 2024, Volume and Issue: 36(6)

Published: June 1, 2024

Based on kinetic theory, the lattice Boltzmann method (LBM) is a versatile computational tool extensively applied to simulate diverse problems. It has particularly advanced in addressing general fluid flow, multiphase scenarios, and heat transfer. However, there notable gap research concerning miscible fluids an urgent need for thorough discussions mass transfer via LBM literature, emphasizing alternative modeling over traditional force passive scalar models. Critical applications, understanding of mixtures extends from scientific inquiry engineering contexts. Hence, this review paper explores dynamic interplay between dynamics, focusing simulation advection–diffusion problems non-reactive multicomponent through LBM. The categorizes two broad strategies, single-fluid multifluid approaches, sheds light their distinctive collision techniques, connects mesoscale concepts macroscopic properties equations, such as viscosity, diffusion coefficient, Maxwell–Stefan Fick equations. In strategy, we discuss progress models relevance models, pseudopotential modeling, purposes. For multifluids, detail single technique split scheme, which, last one, suggest classifying into explicit velocity-difference (Sirovich-based), equilibrium-adapted (Hamel-based), quasi-equilibrium By providing comprehensive overview, text consolidates information regarding highlights directions future research, contributes establishing systematic approach mixtures.

Language: Английский

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Diffusion in nanoporous materials with special consideration of the measurement of determining parameters (IUPAC Technical Report)

Pure and Applied Chemistry, Journal Year: 2024, Volume and Issue: 97(1), P. 1 - 89

Published: Nov. 19, 2024

Abstract The random motion (the diffusion) of guest molecules in nanoporous host materials is key to their manifold technological applications and, simultaneously, a ubiquitous phenomenon nature quite general. Based on specification the different conditions under which molecular diffusion may occur and thus resulting relevant parameters, survey various ways measurement determining parameters given. Starting with condensed introduction respective measuring principles, notably includes summary accessible by each individual technique, jointly an overview strengths weaknesses as well ranges observation. presentation complemented basic relations theory modeling materials, illustrating significance for enhancing informative value technique added attainable combination. By providing guidelines reporting properties chemical compounds nanopores, document aims contribute clarification standardization presentation, nomenclature, methodology associated documentation phenomena serving catalytic, mass separation, other purposes.

Language: Английский

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Effects of Particle Size on the Gas Uptake Kinetics and Physical Properties of Type III Porous Liquids

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(13), P. 16436 - 16444

Published: March 21, 2024

Type III porous liquids (PLs) consist of solid particles dispersed in a size-excluded liquid phase and are attracting much attention as novel media for applications such gas separation. However, the effects fundamental variables particle size on their physical properties currently largely unknown. Here we study series based Al(OH)(fumarate) (a microporous metal–organic framework, MOF) with sizes 60 nm, 200–600 or 800–1000 polydimethylsiloxane (PDMS). Properties examined include stability dispersion, viscosity, total CO2 uptake, kinetics uptake. As expected, both viscosity decreased increasing size. Unexpectedly, gravimetric uptake also varied size, being greatest largest particles, which ascribe to larger having lower relative content surface-bound FMA ligands. Various models kinetic data were considered, specifically adsorption reaction pseudo-first-order, pseudo-second-order, Elovich models. In contrast pure PDMS, showed first-order kinetics, all PLs fit best model confirming that mechanism is more complex than simple liquid. Adsorption diffusion models, Weber Morris' intraparticle Boyd's model, applied revealed three-step process combination through surface layer rate-limiting. The rate follows order PDMS < PL1 PL2 PL3, showing take up rapidly does this increases Overall, suggests high fast large may be preferred. Also, fact resulted low advantageous reducing pumping energy needed flow separation systems. Therefore, work finding ways stabilize against could optimizing toward applications.

Language: Английский

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Selective isolation of rubidium with mesoporous silica loaded with ammonium phosphomolybdate via an in-pore crystallization reaction

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 353, P. 128364 - 128364

Published: June 15, 2024

Language: Английский

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The role of surface deformation on responsivity of the pillared layer metal-organic framework DUT-8(Ni).

Chemical Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Surface deformation influences the kinetic barriers associated with structural transitions and gate-opening characteristics in flexible metal–organic frameworks, such as DUT-8(Ni).

Language: Английский

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Isotherm, kinetic, thermodynamic, and reusability studies of oil palm EFB-derived activated carbon for leachate treatment

Environmental Science and Pollution Research, Journal Year: 2025, Volume and Issue: unknown

Published: March 28, 2025

Language: Английский

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Hierarchical Porous S-1 Zeolite Supported Pt Catalyst for Catalytic Oxidation of Various VOCs at Low Temperature with Strong Water Resistance and Excellent Stability

Applied Catalysis A General, Journal Year: 2025, Volume and Issue: unknown, P. 120284 - 120284

Published: April 1, 2025

Language: Английский

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Defect-rich Birnessite Ultrathin Nanosheet Array Armed with Fe-Phytate Complex Enables Boosted and Long-Lasting Seawater Oxidation at Industrial-Level Current Density

ACS Catalysis, Journal Year: 2025, Volume and Issue: unknown, P. 6954 - 6968

Published: April 15, 2025

Language: Английский

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Electronic structure and interfacial microenvironment engineering over the Ni(OH)₂ nanoarray for boosted electrocatalytic upcycling of polyethylene terephthalate

Green Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

The Ni foam-supported Ni(OH) 2 nanosheet array with surface engineering of adipic acid is engineered to remarkably promote PET-derived ethylene glycol oxidation reaction (EGOR) for value-added formate production.

Language: Английский

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