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.

引用

页数：6

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