Results 41 to 50 of about 78,709,257 (187)

Characterization of Zeolite ZSM-5 Synthesized from Kaolin and TPABr Using X-Ray Diffraction and Infrared Spectroscopy

Indonesian Journal of Chemical Analysis, 2023
Kaolin with alumina and silica content is used as the main material in this research to study the synthesis of ZSM-5 zeolite. The hydrothermal process was carried out through different aging times, namely 12, 24 and 36 hours. Tetrapropyl ammonium bromide
Abdul Hamid, Faizatur Rohmah, Tri Esti Purbaningtias, Mohammad Abdullah   +3 more
doaj   +1 more source

Regional variability in skull sexual dimorphism: Olive baboons, blue monkeys, and vervets confirm the posterior region of the skull and the snout as opposite extremes of sex differences in Old World monkeys

The Anatomical Record, EarlyView.
Abstract This study, alongside prior work on crab‐eating macaques with O'Higgins, investigates regional variation in skull sexual dimorphism across different species of Old World monkeys. Findings reveal consistent patterns: the posterior skull regions (mandibular vertical ramus, chondrocranium and, possibly, the cranial vault) exhibit lower dimorphism,
Andrea Cardini
wiley   +1 more source

Combined effect of increasing the post‐reformer temperature and adding red mud as a secondary catalyst in the thermocatalytic reforming of digestate

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract This work studies the combined effect of increasing the post‐reformer temperature and introducing red mud as a support catalyst in the thermocatalytic reforming (TCR®) of digestate. The TCR® method, developed by the Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT (abbreviated as Fraunhofer UMSICHT), is an extension
Hillary Onyishi, Johannes Neidel, Robert Daschner, Andreas Apfelbacher, Andreas Hornung   +4 more
wiley   +1 more source

Recent Advances in Zn/ZSM‐5 Catalysts for Propane Dehydroaromatization: Active Sites, Co‐Aromatization, and Morphological Engineering

Carbon and Hydrogen, EarlyView.
This review summarizes recent advances in Zn/ZSM‐5 catalysts for propane dehydroaromatization, focusing on active site engineering, co‐aromatization systems, morphological regulation, and machine learning‐guided development. ABSTRACT Propane dehydroaromatization (PDA) represents a promising route for the value‐added utilization of shale gas resources ...
Shijie Zhao, Jiale Xiao, Yun Zhu, Hangjie Li, Hao Xu, Qingyue Wang, Chengtao Wang, Shien Sun, Liang Wang, Feng‐Shou Xiao   +9 more
wiley   +1 more source

ZSM-5 Microspheres Consisting of Nanocrystals for Preparing Highly Dispersed MoP Clusters with Good Activity in Phenanthrene Hydrogenation

, 2019
Preparation of molybdenum phosphide with cluster size is important for enhancing its catalytic activity. Herein, ZSM-5 microspheres consisting of nanocrystals (ZSM-5-NA) were synthesized and used for the preparation of supported MoP catalysts (MoP/ZSM-5 ...
Tiandi Tang (1591804), Lei Zhang (38117), Ting Zhang (102583), Qun Chen (313764), Wenbo Zhao (494837), Wenqian Fu (1591816)   +5 more
core   +1 more source

Identification of C2-C5 products from CO2 hydrogenation over PdZn/TiO2-ZSM-5 hybrid catalysts - data

, 2021
A PdZn/TiO2 methanol catalysts was physically mixed with different ZSM-5 zeolites with different acidity (Si/Al ratio of 23, 50 and 80). The phisical mixture of two different catalysts for tandem reactions are known as hybrid catalysts.
Greg Shaw (19654840), Jonathan Ruiz Esquius (19655173)   +1 more
core   +1 more source

Aromatization and isomerization of methylcyclohexane over Ni catalysts supported on different supports

Green Energy & Environment, 2019
In this work, nickel metal supported on different supports (SiO2, Al2O3, ZSM-5) were prepared by spraying nickel nitrate on the supports and calcined at 873 K. Then, they were characterized by XRD, XRF, N2 adsorption–desorption, NH3-TPD, MCH-TPD, H2-TPR,
Ye Song, Wei Lin, Xingcui Guo, Linlin Dong, Xindong Mu, Huiping Tian, Lei Wang   +6 more
doaj   +1 more source

Conversion of jet biofuel range hydrocarbons from palm oil over zeolite hybrid catalyst

Nanomaterials and Nanotechnology, 2021
The catalytic conversion of palm oil was carried out over four zeolite catalysts—Y, ZSM-5, Y-ZSM-5 hybrid, and Y/ZSM-5 composite—to produce jet biofuel with high amount of alkanes and low amount of aromatic hydrocarbons.
Norsahika Mohd Basir, Norkhalizatul Akmal Mohd Jamil, Halimaton Hamdan   +2 more
doaj   +1 more source

Carbon‐Embedded Fe‐Cu Composite Oxide Nanoparticles Derived From Spindle‐Shaped Bimetallic MOFs for Selective Oxidation of Methane

Carbon and Hydrogen, EarlyView.
Fe3Cu1/C (CuFe5O8) was synthesized by high‐temperature carbonization of FexCuyBDC MOF, which exhibited excellent catalytic performance for methane selective oxidation at 80°C. The synergistic effect between Cu and Fe in the derived Fe3Cu1/C (CuFe5O8) composite oxide inhibits deep oxidation compare to Fe/C (Fe3O4), and the reaction proceeds via a free ...
Jiaxin Cai, Wencui Li, Hengfang Shen, Xinmiao Cheng, Yuyang Sun, Wenxi Wang, Zean Xie, Zhen Zhao   +7 more
wiley   +1 more source

ZSM-5 catalyzed one pot three-component synthesis of 5-substituted-1H-tetrazoles from aldehyde

, 2019
In this paper, we report one-pot three-component synthesis of 5-substituted-1H-tetrazoles from aldehyde using zeolite-based heterogeneous catalyst (ZSM-5). Wide functional group tolerance with high chemical yield has been achieved.
Shrikant M. Ghodse (4732206), Navnath T. Hatvate (4732203), Vikas N. Telvekar (7521461)   +2 more
core   +1 more source