Recycling of washed olive pomace ash for fired clay brick manufacturing

被引：52
|
作者：
de la Casa, Jose A. [1 ,2 ]
Castro, Eulogio [1 ]
机构：
[1] Univ Jaen, Dept Chem Environm & Mat Engn, Jaen 23071, Spain
[2] Ceram Malpesa SA, Jaen 23710, Spain
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2014年 / 61卷
关键词：
Extrusion; Olive pomace ash; Thermal conductivity; Traditional ceramics; THERMAL-CONDUCTIVITY; WASTE-WATER;
D O I：
10.1016/j.conbuildmat.2014.03.026
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Milled or micronized washed olive pomace ash was used to replace different amounts (5 and 10 wt%) of clay in brick manufacture. The properties of these bricks were compared to conventional products following standard procedures. Bricks formed with ash showed a decrease of 0.13-0.16 W/m K in thermal conductivity. With a minimum bulk density and bending strength of 1790-1810 kg m(-3), and 10-12 N mm(-2), respectively, fired bricks fulfil standard requirements for clay masonry units. Milled ash performs better than micronized ash. The ash leachate is a valuable source of potassium for the manufacture of fertilizers. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：320 / 326
页数：7
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