Product Design, Manufacturing & Innovation Resources

Dernières publications et brevets sur les zéolites

Tamis moléculaires à base de zéolites

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Voici notre dernière sélection de publications et de brevets mondiaux en anglais sur les zéolithes, parmi de nombreuses revues scientifiques en ligne, classées et axées sur les zéolithes, les aluminosilicates microporeux, le rapport Si/Al, les tamis moléculaires, les sites métalliques ouverts, la capacité d'échange cationique, les aluminosilicates, la zéolite A (LTA), la ZSM-5, la faujasite, la clinoptilolite, la substitution isomorphe et le faciès des zéolithes.

Zeolite composite catalysts and methods using the same

Patent published on the 2026-10-15 in US under Ref US20260316063 by SAUDI ARABIAN OIL CO [SA] (Tammana Veera Venkata Ramakrishna [sa], Jazzar Ahmad A [sa], Al Khunaizi Hashim Nabeel M [sa])

Abstract: A method of producing a zeolite composite catalyst may comprise: impregnating a zeolite composite with molybdenum to form a molybdenum impregnated zeolite composite, wherein the zeolite composite comprises a mesoporous mordenite and a mesoporous ZSM-5; calcining the molybdenum impregnated zeolite composite to form a calcined, molybdenum impregnated zeolite composite; impregnating the calcined, molybdenum impregnated zeolite composite with one or more active metals selected from platinum, rutheni[...]


Our summary: The method involves impregnating a zeolite composite with molybdenum to create a molybdenum impregnated zeolite composite. It is then calcined and further impregnated with active metals to form a multi-metallic impregnated zeolite composite. Finally, this composite is calcined again to produce the final zeolite composite catalyst.

Zeolite, Catalyst, Impregnation, Molybdenum

Patent

Catalyst compositions that include zeolite with reduced average crystallinity

Patent published on the 2026-10-15 in US under Ref US20260316064 by SAUDI ARABIAN OIL CO [SA] (Osorio Isidoro Morales [sa], Almajnouni Khalid A [sa], Alfilfil Lujain R [sa], Hakami Mohammed Abdulrahman [sa])

Abstract: According to embodiments, a catalyst composition may comprise from 10 wt. % to 75 wt. % of binder; and from 5 wt. % to 70 wt. % of zeolite, wherein the zeolite comprises a first portion of zeolite having a 10-membered ring pore structure, wherein the first portion of zeolite has an average crystallinity of greater than or equal to 30% and less than or equal to 90%.[...]


Our summary: This document describes catalyst compositions containing zeolite with reduced average crystallinity. The compositions include 10 wt. % to 75 wt. % binder and 5 wt. % to 70 wt. % zeolite. The zeolite features a 10-membered ring pore structure with an average crystallinity between 30% and 90%.

Catalyst compositions, Zeolite, Crystallinity, Binder

Patent

Transition metal and cerium exchanged zeolites for hc trap applications

Patent published on the 2026-10-15 in WO under Ref WO2026215630 by JOHNSON MATTHEY PUBLIC LIMITED CO [GB] (Andersen Paul Joseph [us], Chen Hai-ying [us], Cortes Felix Noelia Montserrat [gb], Fedeyko Joseph [us], Howard Michael [us], Levine-ramirez Sarah [us], Lu Jing [us], Mcnamara Nicholas [us], Simmance Kerry [gb], Smith Thomas [us], Turrina Alessandro [gb])

Abstract: TRANSITION METAL AND CERIUM EXCHANGED ZEOLITES FOR HC TRAP APPLICATIONS The present invention relates to a hydrocarbon trap for treating exhaust gas from a gasoline engine, the hydrocarbon trap comprising: a substrate; and a first hydrocarbon trap material disposed on the substrate, the first hydrocarbon trap material comprising a first molecular sieve ion-exchanged with cerium and one or more transition metals.[...]


Our summary: The invention involves a hydrocarbon trap designed for gasoline engine exhaust treatment. It features a substrate with a molecular sieve ion-exchanged with cerium and transition metals. This configuration enhances the effectiveness of hydrocarbon trapping.

zeolites, hydrocarbon trap, transition metals, cerium

Patent

Nitrogen preparation method and nitro beverage device

Patent published on the 2026-10-15 in US under Ref US20260316017 by JICUICHUANGXIN SHENZHEN TECH CO LTD [CN] (Xiao Siting [cn], Tan Tianyi [cn])

Abstract: The present invention discloses a nitrogen preparation method and a nitro beverage device. The method includes drawing in and compressing air, removing impurities, and directing the filtered air to a first molecular sieve to generate nitrogen. After a preset time, the flow switches to a second molecular sieve for continuous nitrogen production. The nitrogen is output according to a user-defined pressure. By directly outputting nitrogen from the molecular sieves, the system eliminates the need fo[...]


Our summary: The invention presents a method for nitrogen preparation using two molecular sieves. It eliminates the need for gas storage by directly outputting nitrogen. This design enhances efficiency and simplifies the system for nitro beverage applications.

Nitrogen generation, molecular sieve, nitro beverage, gas compression

Patent

Cosmetic product for modulating the microbiome and managing oxidative stress in the oral cavity, and its use

Patent published on the 2026-10-14 in SK under Ref SK2852025U by VIVAX PHARMACEUTICALS S R O [SK] (Čiko Bronislav [sk])

Abstract: Compositions for modulating the oral microbiome and managing oral oxidative stress are described. The compositions contain resveratrol, epigallocatechin gallate (EGCG), curcumin, polyphenols, and zeolite as active ingredients. The compositions may be in the form of a gel, paste, cream, mouthwash, lozenge, or chewing gum.[...]


Our summary: This cosmetic product targets the oral microbiome and oxidative stress. It includes resveratrol, EGCG, curcumin, polyphenols, and zeolite. The formulations can be delivered as gels, pastes, creams, mouthwashes, lozenges, or chewing gums.

microbiome modulation, oxidative stress management, oral health, active ingredients

Patent

A composition for use in producing alkali activated concrete

Patent published on the 2026-10-08 in WO under Ref WO2026209627 by CRH GROUP SERVICES LTD [IE] (Autio Mika [ie])

Abstract: The invention relates to a composition comprising: a precursor, wherein the precursor comprises an aluminosilicate material; and an activator, wherein the activator comprises a sodium silicate, calcium hydroxide and sodium bicarbonate; and wherein the sodium silicate comprises a sodium metasilicate hydrate, anhydrous sodium silicate, or a combination thereof.[...]


Our summary: The invention describes a composition for alkali activated concrete. It includes a precursor made of aluminosilicate material and an activator containing sodium silicate, calcium hydroxide, and sodium bicarbonate. The sodium silicate can be sodium metasilicate hydrate, anhydrous sodium silicate, or a combination.

alkali activated concrete, aluminosilicate material, sodium silicate, calcium hydroxide

Patent

A Viable Supplementary Pathway Toward Low-Carbon Concrete Production

Published on 2026-01-30 by Tu?ba zdemir Mazlum, Nihat Atmaca @MDPI

Abstract: Amid growing environmental concerns, resource depletion, and the pressing challenges of industrial waste management, this study investigates the potential of magnesium slag (MS) as a sustainable alternative binder in the production of one-part geopolymer concretes (OPGCs). The objective is to reduce reliance on conventional cementitious materials while promoting the valorization of industrial by-products in construction practices. For this purpose, ten different mixtures were designed by replaci[...]


Our summary: This study explores magnesium slag as a sustainable binder alternative for one-part geopolymer concretes. Ten mixtures were tested, replacing conventional materials with varying levels of magnesium slag. Results indicate that up to 30% replacement maintains acceptable mechanical performance, promoting sustainable construction practices.

magnesium slag, low-carbon concrete, geopolymer, industrial by-products

Publication

Preparation of Faujasite-Type Zeolite (13X) from Angren Kaolin for Hydrogen Sulfide Adsorptive Purification of Natural Gas

Published on 2026-01-29 by Mohsen H. Al-Rashed, Mirzokhid Abdirakhimov, Robert Kubica, Alicja Kazek-K?sik, Roman Turczyn @MDPI

Abstract: The extraction of hydrogen sulfide (H2S) from gases is essential in numerous industrial applications to safeguard human safety, preserve equipment, and mitigate environmental harm. In these circumstances, zeolites are crucial for the extraction of H2S from these gases. This study reports, for the first time, the synthesis of 13X zeolite from Angren kaolin using an optimized, fully autoclave-free fusion/hydrothermal route. This method enables 13X crystallization under atmospheric pressure, greatl[...]


Our summary: This study presents the synthesis of 13X zeolite from Angren kaolin using an autoclave-free method. The synthesized zeolite shows superior H2S adsorption capacity compared to commercial 13X molecular sieves. The research highlights the importance of NaOH ratio in optimizing the synthesis process for effective natural gas purification.

Zeolite, Hydrogen Sulfide, Adsorption, Kaolin

Publication

Sujets abordés : Éléments des terres rares, revêtement de barrière thermique, microstructure, propriétés mécaniques, synthèse par combustion en solution, dureté Vickers, résistance à la rupture, dilatation thermique, effet Hall, dopé, pérovskite, résistance à la corrosion, essai de cycle thermique, affinement des grains, performance à haute température, densité des porteurs de charge, propriétés de transport, Organisation internationale de normalisation (ISO), ASTM International, American National Standards Institute (ANSI), Commission électrotechnique internationale (CEI), et Organisation internationale de normalisation (ISO).

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