Recycling of phosphogypsum by product in clay bricks

被引：0
|
作者：
Elwan, MM [1 ]
机构：
[1] Inst Met Studies, Chem Engn Dept Tabbin, Helwan 109, Egypt
来源：
INDUSTRIAL CERAMICS | 2000年 / 20卷 / 01期
关键词：
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Phosphogypsum is a by-product which is formed during the production of phosphoric acid in Abou-Zaabal fertilizers. This waste product is used with clay Misr brick as a non-plastic material in clay building bricks,The effect of mix composition as well as firing temperature of the bricks was studied. The clay was substituted by, 5, 10, 15 and 20 wt% of phosphogypsum. Firing temperatures, were 650, 700, 750 and 800 degrees C with 2 hrs soaking time. It was found that phosphogypsum as a filler can be used as an inert material in clay brick up to 10 wt% in products fired at 750 degrees C for 2 hrs soaking time.
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页码：5 / 9
页数：5
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