SYNTHESIS OF MCM-41 MESOPOROUS MATERIAL USING FRESHWATER SPONGE AS A SOURCE OF SILICA

被引：0

作者：

Lacerda Junior, Orivaldo da Silva ^{[1
]}

Cavalcanti, Rodrigo Marinho ^{[1
]}

de Matos, Thaisa Moreira ^{[1
]}

Venancio, Jocilandia de Brito ^{[1
]}

de Barros, Iuri Bezerra ^{[1
]}

da Veiga-Junior, Valdir Florencio ^{[1
]}

Lopes Barros, Ivoneide de Carvalho ^{[1
]}

机构：

[1] Univ Fed Amazonas, Dept Quim, Inst Ciencias Exatas, BR-69077000 Manaus, Amazonas, Brazil

来源：

QUIMICA NOVA | 2013年 / 36卷 / 09期

关键词：

synthesis; bio-silica; mesoporous; AREA;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Fresh water sponge was used as a silica source for the synthesis of MCM-41 via the hydrothermal process. The silica was extracted from the sponge by washing with nitric acid and piranha solution. Synthesis of MCM-41 was performed at 100 degrees C for 5 days and the procedure was optimized, with modifications made to the leaching temperature of the silica and the synthesis of mesoporous material, which was characterized by XRD, FT-IR, SEM and adsorption of N-2. The optimal result was achieved at a temperature of 135 degrees C for 3 days, showing ordered mesoporous material with a surface area of 1080 m(2) g(-1).

引用

页码：1348 / 1353

页数：6

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