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Neueste Veröffentlichungen und Patente zu Zeolithen

Zeolith-Molekularsiebe

Dies ist unsere neueste Auswahl weltweiter Veröffentlichungen und Patente in englischer Sprache zu Zeolithen aus vielen wissenschaftlichen Online-Zeitschriften, klassifiziert und konzentriert auf Zeolith, mikroporöses Alumosilikat, Si/Al-Verhältnis, Molekularsieb, offene Metallstellen, Kationenaustauschkapazität, Alumosilikat, Zeolith A (LTA), ZSM-5, Faujasit, Klinoptilolith, isomorphe Substitution und Zeolith-Fazies.

Advances and Horizons in Ceramic Materials Research

Published on 2025-10-21 by Agata Lisińska-Czekaj, Tomasz Pikula @MDPI

Abstract: In this Special Issue entitled Novel Ceramic Materials: Processes, Properties and Applications, 18 articles are brought together. The contributions illustrated the remarkable versatility of ceramics—from bioceramics that heal bone and fight infection, to solid electrolytes and multiferroics powering clean energy, and glass ceramics and zeolite composites safeguarding our environment. Articles on glazes, archaeological pottery, and innovative joining methods reminded us that ceramic[...]


Our summary: This Special Issue presents 18 articles on novel ceramic materials and their diverse applications. It highlights the versatility of ceramics in fields such as biomedicine, clean energy, and environmental protection. Additionally, it emphasizes the connection between traditional ceramic practices and contemporary scientific advancements.

ceramic materials, bioceramics, solid electrolytes, glass ceramics

Publication

Preparation and Applications—A Review

Published on 2025-10-19 by Marin Senila, Eniko Kovacs, Lacrimioara Senila @MDPI

Abstract: Zeolites are widely acknowledged as minerals with outstanding characteristics, primarily due to their complex porous structure and large specific surface area. The modification of natural and synthetic zeolites can improve their properties, making them suitable for a wider range of applications. In recent years, silver-exchanged natural zeolites have been increasingly studied because silver is known for its antimicrobial and electrical conductivity properties, which enhance their utility in vari[...]


Our summary: This review examines the characteristics and modifications of zeolites, focusing on silver-exchanged variants. It highlights the synthesis methods that enhance their properties and applications. The study also discusses the advantages, limitations, and future trends of silver-zeolite composites.

zeolites, silver-exchange, antimicrobial properties, synthesis methodologies

Publication

Predicting Soil Electrical Conductivity of Saturated Paste Extract Using Pedotransfer Functions in Northeastern Tunisia

Published on 2025-10-16 by Oumayma Hmidi, Feyda Srarfi, Nadhem Brahim, Paola Bambina, Giuseppe Lo Papa @MDPI

Abstract: Soil electrical conductivity is a key indicator of soil salinity and sustainability, particularly in arid and semi-arid regions. Accurate estimation of EC is essential for managing soil salinity and ensuring crop productivity. Five pedotransfer functions (PTFs) were developed and evaluated for predicting electrical conductivity in a saturated paste extract using soil parameters, such as particle size analysis, pH, organic carbon, total nitrogen, cation exchange capacity, and electrical conductiv[...]


Our summary: This study develops five pedotransfer functions (PTFs) to predict soil electrical conductivity in northeastern Tunisia. The accuracy of the PTFs was evaluated, with PTF4 achieving the highest R2 value of 0.89. The research highlights regional variations in soil salinity and the need for tailored PTFs to support sustainable soil management.

Soil Electrical Conductivity, Pedotransfer Functions, Soil Salinity, Agricultural Sustainability

Publication

Gas Purification Technology Suitable for Space Mice Cultured in Sealed Box

Published on 2025-10-14 by Ru Yuan, Haoyuan Sun, Qian Zhang, Le Zhang, Shidong Yuan, Fangwu Liu, Tao Zhang @MDPI

Abstract: A stable atmosphere is very important for long-term life science experiments with small mammals in sealed habitats. In this study, we constructed a multi-stage, solid-state purification system to regulate and control the supply of oxygen and remove carbon dioxide, humidity, and trace contaminants in a sealed metal box. Lithium hydroxide was used as the material to absorb CO2; molecular sieves and humidity-indicating silica gel were used as dehumidification material; and activated carbon-based so[...]


Our summary: This study presents a multi-stage gas purification system designed for maintaining a stable atmosphere in sealed habitats for space mice. The system effectively regulates oxygen levels and removes carbon dioxide, humidity, and trace contaminants. Performance evaluation showed successful maintenance of critical environmental parameters during a 7-day culture test with mice.

Gas Purification, Space Mice, Sealed Habitat, Multi-Stage System

Publication

Co-Processing Electrolytic Manganese Residue and Red Mud with Steel Slag for Enhanced Performance

Published on 2025-10-14 by Yingchun Sun, Xinglan Cui, Xiaobin Gu, Xinyue Shi, Hongxia Li, Lei Wang @MDPI

Abstract: In response to the pressing environmental challenges posed by electrolytic manganese residue (EMR) and red mud (RM), this study proposes an innovative cementitious material technology for the synergistic co-utilization of these industrial wastes. By employing steel slag (SS) as a calcium-rich skeleton, the system effectively immobilizes sulfates from EMR and alkalinity from RM, converting hazardous wastes into value-added construction materials. Through orthogonal experimentation, an optimal mix[...]


Our summary: This study introduces a cementitious material technology for co-utilizing electrolytic manganese residue and red mud with steel slag. An optimal mix ratio of 30% red mud, 20% electrolytic manganese residue, and 50% steel slag was established to achieve a compressive strength of 20.40 MPa. The process demonstrates a self-stabilizing conversion of hazardous wastes into valuable construction materials while providing environmental and economic benefits.

Co-Processing, Electrolytic Manganese Residue, Red Mud, Steel Slag

Publication

Effect of Low- and High-Si/Al Synthetic Zeolites on the Performance of Renovation Plasters

Published on 2025-10-14 by Joanna Styczeń, Jacek Majewski @MDPI

Abstract: The appropriate selection of renovation plaster properties is essential for ensuring the durability and effectiveness of conservation works. This study focused on the design and characterization of cement-based renovation mortars modified with synthetic zeolites with different Si/Al ratios. It was assumed that high-silica zeolites would provide more favorable mechanical and hygric performance than low-silica types. Owing to their porous structure and pozzolanic reactivity, zeolites proved to be [...]


Our summary: This study investigates the impact of synthetic zeolites with varying Si/Al ratios on cement-based renovation mortars. High-silica zeolites, particularly ZSM-5, enhance mechanical strength, durability, and moisture transport properties. The results indicate that these modifications lead to improved microstructure and effectiveness in conservation applications.

zeolites, renovation plasters, mechanical performance, moisture transport

Publication

Improved extra-strong cement with tobermorite aluminium

Patent published on the 2025-10-02 in WO under Ref WO2025202529 by FERNANDEZ SIERRA PABLO [ES] (Fernandez Sierra Pablo [es])

Abstract: The present invention disclosing an "IMPROVED EXTRA-STRONG CEMENT WITH TOBERMORITE ALUMINIUM" relates to a novel method for producing cement with improved mechanical properties and greater durability by means of Al-tobermorite synthesis. This material uses the synergistic effects of zeolite, quartz sand, kerogen and seawater to produce concrete with exceptional mechanical properties, greater longevity and greater resistance to ambient conditions. The novel composition of the cement disclosed in [...]


Our summary: The invention presents an improved extra-strong cement utilizing tobermorite aluminium for enhanced mechanical properties. It incorporates zeolite, quartz sand, kerogen, and seawater to achieve superior durability and longevity. This novel cement composition is particularly effective in construction under harsh environmental conditions.

Cement, Tobermorite, Mechanical Properties, Durability

Patent

Hemostatic textile

Patent published on the 2025-09-17 in EP under Ref EP4616873 by UNIV NORTH CAROLINA CHAPEL HILL [US] (Fischer Thomas [us], Eskridge Stan [us], Malloy William [us], Evans Malloy [us])

Abstract: The present invention is directed to a hemostatic textile, comprising: a material comprising a combination of glass fibers and one or more secondary fibers selected from the group consisting of silk fibers; ceramic fibers; raw or regenerated bamboo fibers; cotton fibers; rayon fibers; linen fibers; ramie fibers; jute fibers; sisal fibers; flax fibers; soybean fibers; corn fibers; hemp fibers; lyocel fibers; wool; lactide and/or glycolide polymers; lactide/glycolide copolymers; silicate fibers; p[...]


Our summary: The invention describes a hemostatic textile made from a combination of various fibers. It activates hemostatic systems in the body when applied to wounds. The textile can incorporate additional hemostatic agents and is designed for use in stopping bleeding.

Hemostatic, textile, fibers, wound care

Patent

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