SYNTHESIS OF MESOPOROUS SILICA WITH ORDERED NANOSTRUCTURAL MORPHOLOGY FROM NATURAL QUARTZ SAND

被引：0
|
作者：
Kouznetsova, Tatyana F. [1 ]
Agabekov, Academician Vladimir E. [2 ]
Ivanets, Andrei L. [1 ]
Karpinchik, Evgeny, V [2 ]
Sauka, Justyna D. [1 ]
机构：
[1] Natl Acad Sci Belarus, Inst Gen & Inorgan Chem, 9-1 Surganov Str, Minsk 220072, BELARUS
[2] Natl Acad Sci Belarus, Inst Chem New Mat, 36 F Skorina Str, Minsk 220141, BELARUS
来源：
DOKLADY NATSIONALNOI AKADEMII NAUK BELARUSI | 2020年 / 64卷 / 05期
关键词：
silica; quartz; template method; mesoporous molecular sieve; adsorption;
D O I：
10.29235/1561-8323-2020-64-5-544-550
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Silica with ordered nanostructured morphology characteristic of mesoporous molecular sieves with cubic packing of cylindrical pores and a three-dimensional porous structure is obtained from natural quartz sand. It was shown by X-ray diffraction, scanning electron microscopy, and low-temperature nitrogen adsorption-desorption that the obtained silica material is thermally stable, amorphous, consists of submicron grains, has a high specific surface area of 1396 m(2)/g, a pore volume of 0.780 cm(3)/g and an average diameter of 2.2 nm with a narrow size distribution of mesopores.
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收藏
页码：544 / 550
页数：7
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