Synthesis and characterization of a mesoporous Al-MCM-41 Molecular Sieve Material and its Moisture Regulation Performance in Water Molecule Adsorption/Desorption

2021 ◽  
Vol 310 ◽  
pp. 110643
Author(s):  
Ya-Wen Lin ◽  
Ta-Wui Cheng ◽  
Kang-Wei Lo ◽  
Chiao-Ying Chen ◽  
Kae-Long Lin
Author(s):  
Jackeline Camargo Bagio ◽  
Kariyn Yamamoto ◽  
Arina Miki Kiyan ◽  
Kayque Araújo Borges Rossi ◽  
Paulo César Guimarães de Carvalho ◽  
...  

2012 ◽  
Vol 23 (2) ◽  
pp. 133-136
Author(s):  
Chol Ryong Jang ◽  
Vasile Matei ◽  
Anca Borcea ◽  
Viorel Voicu ◽  
Raluca Proscanu ◽  
...  

AbstractThe synthesis and characterization of MCM-41 supported Co-Mo catalysts and catalytic hydrogenation of 1-octene to n-octane were discussed. BET specific surface area of MCM-41, calculated from N2 adsorption/desorption isotherm, was 1690 m2/g. The XRD patterns of the Co-Mo/MCM-41 catalysts show that metal species are finely dispersed and the size of CoO and MoO3 particles is below the detection limit by XRD. The 1-octene hydrogenation activity of the catalysts decreased with increasing the Co content up to 9 wt.% for the Co-promoted Co-Mo/MCM-41 catalysts with a MoO3 content of 12 wt.%. All the catalysts show increased hydrogenation activity with increasing reaction temperature in the temperature range from 200 to 350°C.


RSC Advances ◽  
2016 ◽  
Vol 6 (75) ◽  
pp. 71375-71383 ◽  
Author(s):  
Liguo Wei ◽  
Hongsen Zhang ◽  
Yongli Dong ◽  
Weina Song ◽  
Xiaoxu Liu ◽  
...  

MCM-49/MCM-41 was synthesized by a fast method via microwave assistance and was characterized for its application in heavy metal adsorption.


2014 ◽  
Vol 805 ◽  
pp. 657-661 ◽  
Author(s):  
Marcílio Máximo da Silva ◽  
Aline Cadigena Lima Patrício ◽  
Anna Karoline Freires de Sousa ◽  
Meiry Glaúcia Freire Rodrigues ◽  
Marta Lígia Pereira da Silva

The main objective was to synthesize in the laboratory and characterize the molecular sieve MCM-41. This study has a strong experimental character. The hydrothermal synthesis was performed at 100 ° C for a period of 7 days. The resulting materials were characterized by XRD, EDX, Adsorption Capacity and the Foster Swelling test. Through XRD verified the formation of mesoporous structure. Different organic solvents, namely gasoline, diesel and kerosene were used. The Foster Swelling Test results indicated that the affinity of molecular sieve MCM-41 occurred in the treated clay tested in all organic solvents (gasoline, diesel, kerosene), without and with agitation.


1996 ◽  
Vol 100 (1) ◽  
pp. 390-396 ◽  
Author(s):  
Chi-Feng Cheng ◽  
Heyong He ◽  
Wuzong Zhou ◽  
Jacek Klinowski ◽  
José A. Sousa Gonçalves ◽  
...  

1996 ◽  
Vol 38 (1-2) ◽  
pp. 33-37 ◽  
Author(s):  
Xiu S. Zhao ◽  
Gao Q. Lu ◽  
Graeme J. Millar ◽  
Xin S. Li

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
Esmael Salimi ◽  
Jafar Javadpour

Wormhole-like mesostructured monetite was successfully synthesized using cetyltrimethylammonium bromide (C19H42BrN, CTAB), as a porosity agent. X-ray techniques and FTIR reveal that the crystalline grains consist of highly crystalline pure monetite phase. Monetite rods with diameter around 20–40 nm and length in the range of 50–200 nm were confirmed by FESEM and TEM. Based on N2adsorption-desorption isotherms investigation, surface area increased up to 31.5 m2/g due to the removal of surfactant after calcinations at 400°C. The results indicate that CTAB can not only affect monetite crystallization but also change particles morphology from plate shape to rod-like.


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