SILICA SOL OBTAINED FROM RICE HUSK ASH

被引：0
|
作者：
de Sousa, Ana Maria [1 ]
Visconte, Leila [1 ]
Mansur, Claudia [1 ]
Furtado, Cristina [2 ]
机构：
[1] Univ Fed Rio De Janeiro, Inst Macromol Prof Eloisa Mano, Rio De Janeiro, Brazil
[2] Univ Estado Rio De Janeiro, Inst Quim, Ctr Tecnol & Ciencias, Rio De Janeiro, Brazil
来源：
CHEMISTRY & CHEMICAL TECHNOLOGY | 2009年 / 3卷 / 04期
关键词：
rice husk ash; sodium silicate; silica sol; nanoparticle;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Rice husk ash was used to produce sodium silicate with SiO2 / Na2O=3. The investigation of NaOH concentration and temperature on the silica conversion showed that NaOH has positive influence. SiO2 / Na2O similar to 3 was produced with 0.8 mol/l of NaOH and 403/453 K. These solutions were used to produce silica sol with diameter of similar to 5nm.
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页码：321 / 326
页数：6
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