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Influence Of Sticky Rice And Anionic Polyacrylamide On The Crystallization Of Calcium Carbonate In Chinese Organic Sanhetu

Author

Listed:
  • HUI LIU

    (The Key Laboratory of Marine Environmental Science and Ecology, Ministry of Education, Ocean University of China, Qingdao, Shandong, P. R. China;
    Instituto de Metalurgia, Universidad Autonoma de San Luis Potosi, San Luis Potosi, Mexico)

  • CHANGSHENG PENG

    (The Key Laboratory of Marine Environmental Science and Ecology, Ministry of Education, Ocean University of China, Qingdao, P. R. China;
    State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, P. R. China)

  • MIN DAI

    (Instituto de Metalurgia, Universidad Autonoma de San Luis Potosi, San Luis Potosi, Mexico;
    Qingdao Sun and Ocean Energy Conservation and Environmental Protection Co., Ltd, Qingdao, P. R. China)

  • QINGBAO GU

    (State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, P. R. China)

  • SHAOXIAN SONG

    (Instituto de Metalurgia, Universidad Autonoma de San Luis Potosi, San Luis Potosi, Mexico;
    School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, P. R. China)

Abstract

The crystallization of calcium carbonate(CaCO3)in soil controlled by natural organic material was considered a very important reason to enhance the property of ancient Chinese organic Sanhetu (COS), but how the organic material affected the crystallization ofCaCO3in COS is still unclear. In this paper, a natural organic material (sticky rice, SR) and a synthetic organic material (anionic polyacrylamide, APAM) were selected as additives to investigate their effect on the crystallization ofCaCO3. The experimental results showed that the morphology and size ofCaCO3crystals could be affected by the concentration of additives and reaction time, while only the size ofCaCO3crystals could be affected by the concentration of reactant. Although the morphology and size ofCaCO3crystals varied greatly with the variation of additive concentration, reactant concentration and reaction time, the polymorph ofCaCO3crystals were always calcite, according to SEM/EDX, XRD and FTIR analyses. This study may help us to better understand the mechanism of the influence of organic materials onCaCO3crystallization and properties of COS.

Suggested Citation

  • Hui Liu & Changsheng Peng & Min Dai & Qingbao Gu & Shaoxian Song, 2015. "Influence Of Sticky Rice And Anionic Polyacrylamide On The Crystallization Of Calcium Carbonate In Chinese Organic Sanhetu," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 22(06), pages 1-11.
    • Handle: RePEc:wsi:srlxxx:v:22:y:2015:i:06:n:s0218625x15500730
    DOI: 10.1142/S0218625X15500730
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