Effect of intercalated substance and microwave heating conditions on the specific surface of kaoline

被引：0

作者：

Slonka, Tadeusz ^{[1
]}

Glowinski, Jozef ^{[1
]}

Orzechowski, Kazimierz ^{[1
]}

Leluk, Karol ^{[1
]}

机构：

[1] Wroclaw Univ Technol, Inst Technol Nieorgan & Nawozow Mineral, Wydzial Chem, PL-50370 Wroclaw, Poland

来源：

PRZEMYSL CHEMICZNY | 2008年 / 87卷 / 02期

关键词：

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Natural kaoline was intercalated with NH2NH2, HCONH2, Me2SO, K and Me acetates, HCONHMe, imidazole and urea and then heated in microwave field (2.45 GHz, 100-800 W) to develop the sp. surface of the original kaoline (19.0 m(2)/g) by thermal decompn. of the intercalating mols. The increase in the sample temp. during the microwave heating up to above 450 degrees C was obsd. The intercalation with NH4, and K acetates resulted in the highest increase in the sp. surface to 49.4 m(2)/g and 40.6 m(2)/g, resp. The dry pressing of the samples contributed to an increase in their sp. surface. The effect of sample size on the sp. surface after heating was also remarkable.

引用

页码：195 / 198

页数：4

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