Resource recovery of waste incineration fly ash: Synthesis of zeolites A and P

被引：0
|
作者：
Miyake, M [1 ]
Tamura, C [1 ]
Matsuda, M [1 ]
机构：
[1] Okayama Univ, Fac Environm Sci & Technol, Dept Environm Chem & Mat, Okayama 7008530, Japan
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2002年 / 85卷 / 07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：
The conversion of waste incineration fly ash to zeolitic compounds by hydrothermal treatment in the presence of NaOH solution has been investigated. An acid pretreatment of fly ash in addition to water washing and heating at 800degreesC was found to be an important process to prepare reproducible zeolitic compounds. Treatment with a low-concentration NaOH solution at 60degreesC and 100degrees-120degreesC successfully produced zeolites A and P, respectively, as major products. At increased concentrations of NaOH, sodalite was generated. The hydrothermal products showed uptake behavior for NH4+ ions.
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页码：1873 / 1875
页数：3
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