Preparation of Glass-ceramics from Phosphogypsum

被引：6
|
作者：
Liu, Hongpan [1 ]
Yang, Jie [2 ]
Yang, Jing [2 ]
Ma, Liping [2 ]
Jiang, Ming [3 ,4 ]
Li, Yuan [3 ,4 ]
Cheng, Yan [1 ]
Li, Yuying [1 ]
Cao, Zhenrui [1 ]
机构：
[1] Chongqing Univ Arts & Sci, Coll Mat & Chem Engn, Chongqing 402160, Peoples R China
[2] Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan, Peoples R China
[3] Yunnan Agr Univ, Coll Resources & Environm, Kunming 650201, Yunnan, Peoples R China
[4] Yunnan Engn Lab Agroenvironm Pollut Control & Eco, Kunming 650201, Yunnan, Peoples R China
来源：
2018 FIRST INTERNATIONAL CONFERENCE ON ENVIRONMENT PREVENTION AND POLLUTION CONTROL TECHNOLOGY (EPPCT 2018) | 2018年 / 199卷
关键词：
D O I：
10.1088/1755-1315/199/4/042044
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
CaO-Al2O3-SiO2 glass-ceramics was prepared from phosphogypsum and studied by differential thermal analysis (DTA) and X-ray diffraction (XRD). CaSO4 in phosphogypsum decomposed into CaS and then it reacted with CaSO4 forming CaO and SO2 when the most energy-efficient reaction by Factsage calculated. SiO2, AlPO4, CaSiO3 (wollastonite-1A) and CaSiO3 (calcium silicate) were identified as the main phases in the glass-ceramics prepared from phosphogypsum.
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页数：6
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