EFFECT OF AGING STEP ON THE TEXTURE OF SBA-15 PREPARED AT SHORT RIPENING TIME

Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

TCPCO01_252

تاریخ نمایه سازی: 27 فروردین 1393

Abstract:

In this paper, the influence of aging (hydrothermal) time and temperature on the characteristics of SBA-15 mesoporous silica materials. The results indicated SBA-15 sample obtained at short-time ripening of 4 hour (hr) contained more silanol groups that two-dimensional (2-D) hexagonal SBA-15 mesoporous structure than the conventional SBA-15 material (24 hr). As well, the sample synthesized after 4 hr of ripening at 40°C followed by 24 hr of hydrothermal operation at 100ºC, demonstrated enhancement of 2-D hexagonal order compared to other samples. The synthesized material was characterized using small angle XRD, SEM, TEM and BET techniques

Authors

m Sadeghi

Department of Oil, Gas and Petrochemical Engineering, Persian Gulf University, Boushehr, Iran.

a izadbakhsh

Department of Oil, Gas and Petrochemical Engineering, Persian Gulf University, Boushehr, Iran.

kh niknam

Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr

s.a Sajjadi

Department of Oil, Gas and Petrochemical Engineering, Persian Gulf University, Boushehr, Iran.

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