Effect of Fe2O3 on the Physical Property of Geopolymer Paste

被引:26
作者
Choi, Su-Cheol [1 ]
Lee, Woo-Keun [1 ]
机构
[1] Kangwon Natl Univ, Dept Environm Engn, Chunchon 200701, South Korea
来源
ADVANCED MATERIALS AND INFORMATION TECHNOLOGY PROCESSING II | 2012年 / 586卷
关键词
Geopolymer; Mine tailing; Melting slag; Iron hydroxide; Compressive strength; FLY-ASH;
D O I
10.4028/www.scientific.net/AMR.586.126
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Fe2O3 content affects the physical property of geopolymer paste made from waste materials. The effect of Fe2O3 was evaluated in this research. Geopolymer paste was made from the mixtures of mine tailing, melting slag, and alkali activator. Fe2O3 was added to discuss its effect with increasing the content. Compressive strength was 73.6 MPa without adding Fe2O3. But it was lowered to 32.5 MPa at the addition of 5wt. According to the analyzing results of XRD, SEM and EDS, Fe2O3 inhibited the geopolymer formation. Therefore, it is necessary to control the content of Fe2O3 to enhance the physical characteristics of geopolymer paste through the process of preparation.
引用
收藏
页码:126 / 129
页数:4
相关论文
共 6 条
[1]   GEOPOLYMERS - INORGANIC POLYMERIC NEW MATERIALS [J].
DAVIDOVITS, J .
JOURNAL OF THERMAL ANALYSIS, 1991, 37 (08) :1633-1656
[2]   Structural reorganisation of class F fly ash in alkaline silicate solutions [J].
Lee, WKW ;
van Deventer, JSJ .
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2002, 211 (01) :49-66
[3]   Influence of slag as additive on compressive strength of fly ash-based geopolymer [J].
Li, Zongjin ;
Liu, Sifeng .
JOURNAL OF MATERIALS IN CIVIL ENGINEERING, 2007, 19 (06) :470-474
[4]   Effect of silicate activator pH on the leaching and material characteristics of waste-based inorganic polymers [J].
Phair, JW ;
Van Deventer, JSJ .
MINERALS ENGINEERING, 2001, 14 (03) :289-304
[5]   Influence of NaOH solution on the synthesis of fly ash geopolymer [J].
Rattanasak, Ubolluk ;
Chindaprasirt, Prinya .
MINERALS ENGINEERING, 2009, 22 (12) :1073-1078
[6]   NaOH-activated ground fly ash geopolymer cured at ambient temperature [J].
Somna, Kiatsuda ;
Jaturapitakkul, Chai ;
Kajitvichyanukul, Puangrat ;
Chindaprasirt, Prinya .
FUEL, 2011, 90 (06) :2118-2124