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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.9 P.1334-1340

http://doi.org/10.1631/jzus.A0920237


Correlation between 29Si polymerization and cementitious activity of coal gangue


Author(s):  Ji-xiu ZHANG, Heng-hu SUN, Yin-ming SUN, Na ZHANG

Affiliation(s):  Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Corresponding email(s):   zhangjixiu06@mails.tsinghua.edu.cn

Key Words:  Degree of polymerization, Relative bridging oxygen number (RBO), Nuclear magnetic resonance (NMR), Coal gangue, Cementitious activity


Ji-xiu ZHANG, Heng-hu SUN, Yin-ming SUN, Na ZHANG. Correlation between 29Si polymerization and cementitious activity of coal gangue[J]. Journal of Zhejiang University Science A, 2009, 10(9): 1334-1340.

@article{title="Correlation between 29Si polymerization and cementitious activity of coal gangue",
author="Ji-xiu ZHANG, Heng-hu SUN, Yin-ming SUN, Na ZHANG",
journal="Journal of Zhejiang University Science A",
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year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0920237"
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%T Correlation between 29Si polymerization and cementitious activity of coal gangue
%A Ji-xiu ZHANG
%A Heng-hu SUN
%A Yin-ming SUN
%A Na ZHANG
%J Journal of Zhejiang University SCIENCE A
%V 10
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0920237

TY - JOUR
T1 - Correlation between 29Si polymerization and cementitious activity of coal gangue
A1 - Ji-xiu ZHANG
A1 - Heng-hu SUN
A1 - Yin-ming SUN
A1 - Na ZHANG
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 9
SP - 1334
EP - 1340
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0920237


Abstract: 
A new method for estimating the degree of [SiO4]4−polymerization of coal gangue is presented. The method uses the relative bridging oxygen number (RBO) based on nuclear magnetic resonance (NMR) techniques. X-ray diffraction (XRD) and 29Si NMR techniques have been used to study phase transitions and silicate polymerization of coal gangue calcined at different temperatures or co-calcined. It has been found that phase transition of clay minerals causes silicate polymerization to change with temperature. In this study, cementing activity and RBO were determined to be inversely related. Generally, activated coal gangue with lower RBO had better cementitious activity.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Armesto, L., Merino, J.L., 1999. Characterization of some coal combustion solid residues. Fuel, 78(5):613-618.

[2] Chen, X.C., 1996. Application of 29Si and 27Al NMR to characterizing clay minerals. Petroleum Exploration and Development, 23(4):70-74.

[3] Chen, X.L., Wang, Z.W., Yang, N.R., 1987. A study on the polymeric distribution of [SiO4]4− tetrahedron in silicate glass part I. analytic method of trimethylsilylation gas chromatography. Journal of the Chinese Ceramic Society, 15(1):84-89 (in Chinese).

[4] Dou, S.X., Liu, H.K., 1981. Silicate melt polymerization and its application. ACTA Metallurgica Sinica, 17(4):454-460.

[5] Engelhardt, G., 1987. High-resolution Solid-state NMR of Silicates and Zeolites. Central Institute of Physical Chemistry Academy of Sciences of the GDR, Berlin, German Democratic Republic.

[6] Engelhardt, G., Luger, S., Buhl, J.C., 1989. 29Si MAS NMR of aluminosilicate sodalites correlations between chemical shifts and structure parameters. Zeolites, 9(3):182-186.

[7] Feng, B., 2000. Study on coal-refuse activity. Shanghai Environmental Sciences, 19(7):394-353 (in Chinese).

[8] GB/T17671-1999, 1999. Examining Methods for Cementation Sand Strength. State Bureau of Quality and Technical Supervision, National Standard of the People’s Republic of China.

[9] Gu, B.W., Wang, P.M., 2008. Dissolving-out characteristics of active component in thermal activated calcined coal gangue. Journal of Materials Science & Engineering, 26(4):530-534.

[10] Li, D.X., Song, X.Y., Gong, C.C., 2006. Research on cementitious behavior and mechanism of pozzolanic cement with coal gangue. Cement and Concrete Research, 36(9):1752-1759.

[11] Lippmaa, E., Magi, M., Samoson, A., Engelhardt, G., Grimmer, A.R., 1980. Structural studies of silicates by solid-state high-resolution 29Si NMR. Journal of the American Chemical Society, 102:4889-4893.

[12] Liu, Q.F., 2001. MAS NMR study of surface-modified calcined kaolin. Applied Clay Science, 19:89-94.

[13] Masson, C.R., Smith, I.B., Whiteway, S.G., 1970. Molecular size distributions in multichain polymers: application of polymer theory to silicate melts. Canadian Journal of Chemistry, 48(1):201-202.

[14] Mc Conville, C.J., Lee, W.E., Sharp, J.H., 1998. Microstructure evolution in the fired kaolinite. British Ceramic Transactions, 97(4):162-168.

[15] Murgier, S., Zanni, H., Gouvenot, D., 2004. Blast furnace slag cement: a 29Si and 27Al NMR study. Comptes Rendus Chimie, 7(3-4):389-394.

[16] Qian, W.X., Cai, Y.B., 2004. NMR research on silicon oxide polyhedron structure in activated fly ash. Journal of Materials Science & Engineering, 22(4):561-563.

[17] Richardson, I.G., Groves, G.W., 1997. The structure of the calcium silicate hydrate phase present in hardened pastes of white Portland cement/blast-furnace slag blends. Journal of Materials Science, 32(18):4793-4802.

[18] Song, X.Y., 2004. Study on Activation of Coal Gangue used for Complementary Cementitious Component. MS Thesis, Nanjing University of Technology, Nanjing, China (in Chinese).

[19] Strauss, U.P., Smith, E.H., Wineman, P.L., 1953. Polyphosphates as polyelectrolytes. I. Light scattering and viscosity of sodium polyphosphates in electrolyte solutions. Journal of the American Chemical Society, 8:3935-3940.

[20] Sun, H.H., Li, H.J., Li, Y., 2004. Establishment of silica-alumina based cementitious system-sialite. Rare Metal Materials and Engineering, 33(S2):114-119.

[21] Tamas, F.D., Sarkar, A.K., Roy, D.M., 1976. Effect of Variables upon the Silylation Products of Hydrated Cements. Conference of Hydraulic Cement Pastes, Sheffield, UK, p.55-72.

[22] Thompson, J.B., 1947. Role of aluminum in the rock-making silicates. Bulletin of the Geological Society of America, 58:12-32.

[23] Wang, S.D., 2003. 29Si and 27Al NMR study of alkali-activated slag. Cement and Concrete Research, 33:769-774.

[24] Yang, Y.X., 1992. A study on the thermal behaviour of chlorite-group minerals. Acta Mineralogica Sinica, 12(1):36-44 (in Chinese).

[25] Zhang, N., Sun, H.H., 2009. Early-age characteristics of red mud-coal gangue cementitious material. Journal of Hazardous Materials, 1:6-12.

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