📄 Category

chemistry

357 papers

📄 chemistry

Microwave-Enhanced Ni-Ce/Al 2 O 3 for Low-Concentration CH 4 Partial Oxidation: Synergistic Tuning of Active Site Density and Activation Energy

This study demonstrates that microwave calcination significantly enhances the partial oxidation of low-concentration methane over Ni-Ce/Al₂O₃ catalysts by refining NiO crystallites and increasing lattice defects, which synergistically lowers the activation energy and boosts hydrogen yield six-fold compared to conventional furnace calcination.

Zhijun Gong, Yingdong Ma, Yanyan Sun, Ying Han2026-07-02
📄 chemistry

Source-Dependent UV-C Photocatalytic Hydrogen Generation over Natural Sepiolite-Rich Clays

This study demonstrates that the photocatalytic hydrogen generation efficiency of natural sepiolite-rich clays under UV-C irradiation is significantly influenced by source-dependent variations in mineral purity, surface chemistry, and aggregate morphology, rather than a single bulk optical parameter.

Patrik Kopčan, Alexandr Martaus, Fernando Jose Bonetto, Ladislav Svoboda, Kamila Kočí2026-07-02
📄 chemistry

The influence of recycled fine powder on the mechanical performance, micro- pore structure, and hydration kinetics of mortar

This study demonstrates that while incorporating 10% recycled fine powder (RFP) enhances the early-age compressive strength of mortar through a nucleation effect, higher replacement ratios ultimately compromise 28-day strength and microstructural densification due to the dilution effect and increased micrometer-scale porosity.

Fuhua Lu, Peilin Qing, Xiaodong Jiao, Dong Peng, Yangpeng Zhang, Litao Li, Honggang Zhang2026-07-02
📄 chemistry

Fast Ni2+ Removal via Engineered Sustainable Green Filters Filling for Water Security

This study introduces a low-cost, sustainable green filter filling composed of natural clay, calcined limestone, and coconut fiber that achieves rapid 88.84% Ni²⁺ removal within 5 minutes through strain-activated mechanisms, offering a scalable and 94% cheaper alternative to conventional water treatment systems.

Nur Inayah, Andi Akmal, Dahlang Tahir, Abdur Rahman Arif, Badril Azhar, Ahmed Akouibaa, Heryanto Heryanto2026-07-02
📄 chemistry

In silico design of potent antioxidant compounds using 2D-QSAR Molecular docking ADMET prediction and Molecular dynamic simulation

This study employed an integrated in silico approach combining 2D-QSAR modeling, molecular docking, dynamic simulations, and ADMET predictions to design and evaluate novel benzoxazine derivatives as potent and drug-like antioxidant agents targeting cytochrome c peroxidase.

Muhammad Baba Muhammad, Adamu Uzairu, Mohamed EL-fadili, Stephen Eyije Abechi, Muhammad Tukur Ibrahim, Somdutt Mujwar2026-07-02
📄 chemistry

Research and Statistical Analysis on the Impact Resistance of Supplementary Cementitious Material with Different Glass Fiber Content

This study investigates the dynamic impact resistance of glass fiber-reinforced cement mortar containing supplementary cementitious materials under varying water-binder ratios and fiber contents using Split Hopkinson Pressure Bar tests, revealing that a 1.5% fiber volume and 0.5 water-binder ratio optimize energy absorption and toughness while the material's failure behavior is effectively modeled by a two-parameter Weibull distribution.

Wenlong Huo, Xiaonian Chen, Zhengxiong Bai, Xiuyu Wu2026-07-02
📄 chemistry

Functionalized Carbon Nanotubes as Nanoinhibitors of Asphaltene Aggregation: A Molecular Dynamics Approach for Enhanced Oil Recovery

This study employs molecular dynamics simulations to demonstrate that functionalized single-walled carbon nanotubes, particularly those modified with carboxylate groups, effectively inhibit asphaltene aggregation in crude oil systems through enhanced electrostatic and hydrogen bonding interactions, offering a promising nanoscale strategy for improved oil recovery.

Mohamed El Amine Boumeftah, Boumediene Bounaceur, Ali RAHMOUNI2026-07-01