Results 11 to 20 of about 4,628,843 (306)

Carbon hollow fiber membranes for a molecular sieve with precise-cutoff ultramicropores for superior hydrogen separation

Nature Communications, 2021
Carbon molecular sieve (CMS) membranes with rigid and uniform pore structures are ideal candidates for high temperature- and pressure-demanded separations, such as hydrogen purification from the steam methane reforming process.
Linfeng Lei, Feng Pan, A. Lindbråthen, Xiangping Zhang, M. Hillestad, Y. Nie, L. Bai, Xuezhong He, M. Guiver   +8 more
semanticscholar   +1 more source

Preparation of manganese oxide modified molecular sieve and its application in the treatment of phenol containing wastewater

上海师范大学学报. 自然科学版, 2021
An environmentally safe manganese oxide (MnOx) modified molecular sieve (MnOx@MS) for the effective treatment of phenol containing wastewater was prepared via an in situ oxidation of manganese sulfate(MnSO4)on the surface of 4A molecular sieve with ...
QIAO Yu, WU Mingwei, SHI Yuqing, LIANG Jie   +3 more
doaj   +1 more source

Separation of steranes and hopanes by domestic X-type molecular sieves

Shiyou shiyan dizhi, 2021
Domestic 10X-type and 13X-type molecular sieves were used for the adsorption and desorption experiments of steranes and hopanes, and their stable carbon isotopic fractionation by the two kinds of molecular sieves during separation process was discussed ...
Erting LI, Baoli XIANG, Ji LI, Dilidaer ROUZI, Huitong WANG, Wanyun MA, Cuimin LIU, Xiaogang ZHANG   +7 more
doaj   +1 more source

Effect of Zr Modification on NH₃-SCR Reaction Performance of Cu-Ce/SAPO-34 Catalysts

Applied Sciences, 2023
Molecular sieve catalysts containing transition metals have been attracting attention for their potential applications in various fields, including environmental and industrial catalysis.
Chongfei Liu, Xuetao Wang, Lili Xing, Xingxing Cheng, Xingyu Zhang, Haojie Li, Mengjie Liu   +6 more
doaj   +1 more source

Adsorption Properties of ZSM-5 Molecular Sieve for Perfluoroisobutyronitrile Mixtures and Its Fluorocarbon Decomposition Products

Chemosensors, 2022
Perfluoroisobutyronitrile (C4F7N), an environment-friendly insulating gas, has excellent insulating properties and has the potential to be used in gas-insulated equipment when mixed with CO2.
Wei Liu, Xinjie Qiu, Xiaoxing Zhang, Shuangshuang Tian, Zian Yuan, Weihao Liu   +5 more
doaj   +1 more source

Synthesis of micron-particle-size HZSM-5 zeolite with different Si/Al ratio and its catalytic activity for toluene methanol alkylation reaction

矿业科学学报, 2023
HZSM-5 molecular sieve is one of the commonly used catalysts for the alkylation of toluene with methanol to para-xylene (PX). This study introduces a one-step method to directly prepare microscale HZSM-5 catalysts with suitable pore structure and acidity.
Pan Xu, Huang Xin, Wang Ruizhuang, Zhang Haiyong, Wei Hui, Xu Deping, Liu Yi   +6 more
doaj   +1 more source

Synthesis of uniform two-dimensional non-layered α-MnSe by molecular sieves modified chemical vapor deposition

Results in Physics, 2023
Large-area and uniform two-dimensional (2D) non-layered α-MnSe was successfully synthesized via the molecular sieve modified chemical vapor deposition (CVD).
Meijie Zhu, Hua Xu, Zuoquan Tan, Le Wang
doaj   +1 more source

Molecular sieves [PDF]

Endeavour, 1964
AbstractThe zeolites form a numerous group of structurally diverse, porous, crystalline aluminosilicates. The naturally‐occurring zeolites arise by hydrothermal action of solutions in basaltic rocks and also as large sedimentary deposits. The naturally‐occurring species have been augmented by a number of synthetic zeolites without any known natural ...
openaire   +1 more source

Ceramic-like stable CsPbBr3 nanocrystals encapsulated in silica derived from molecular sieve templates

Nature Communications, 2020
Achieving good stability while maintaining excellent properties is one of the main challenges for enhancing the competitiveness of luminescent perovskite CsPbX3 (X=Cl, Br, I) nanocrystals (NCs).
Qinggang Zhang, Bo Wang, Weilin Zheng, Long Kong, Qun Wan, Congyang Zhang, Zhichun Li, Xueyan Cao, Mingming Liu, Liang Li   +9 more
semanticscholar   +1 more source

Teknologi Proses Pembuatan Molecular Sieve TiZA Untuk Pemekatan Asam Nitrat

Jurnal Kimia dan Kemasan, 2017
Molecular sieve zeolit dapat memurnikan campuran larutan yang bersifat azeotrop yang tidak bisa dilakukan menggunakan metode distilasi biasa. Namun, masih memiliki kelemahan dalam half life time molecular sieve tersebut, khususnya stabilitas bahan ...
Ali Nurdin
doaj   +1 more source