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| 磁场对碳酸钙结晶过程及晶型影响的研究 | |
| 引用本文： | 董倩倩,张德强,刘振法,李海花. 磁场对碳酸钙结晶过程及晶型影响的研究[J]. 河北科技大学学报, 2011, 32(3): 277-280 |
| 作者姓名： | 董倩倩 张德强 刘振法 李海花 |
| 作者单位： | 1. 河北师范大学化学与材料科学学院,河北石家庄050016;河北省科学院能源研究所,河北石家庄050081 2. 河北省科学院,河北石家庄,050081 3. 河北省科学院能源研究所,河北石家庄,050081 |
| 基金项目： | 河北省自然科学基金资助项目，河北省科技支撑计划项目 |
| 摘 要： | 通过测定电导率变化研究了磁场对碳酸钙结晶过程的影响,利用扫描电子显微镜(SEM)和X射线衍射仪(XRD)对碳酸钙晶型进行了表征.结果表明,当Ca2+浓度低于2.5 mmol/L时,磁处理抑制碳酸钙的结晶速度;当Ca2+浓度高于2.5 mmo1/L时,磁处理促进了碳酸钙的结晶速度且抑制了晶粒的长大.随着磁场强度的增大,磁... |
| 关 键 词： | 磁场 碳酸钙 结晶 |
| 收稿时间： | 2010-11-08 |
| 修稿时间： | 2011-03-15 |
Study on effect of magnetic field on crystallization of CaCO3 |
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| DONG Qian-qian,ZHANG De-qiang,LIU Zhen-fa and LI Hai-hua. Study on effect of magnetic field on crystallization of CaCO3[J]. Journal of Hebei University of Science and Technology, 2011, 32(3): 277-280 | |
| Authors: | DONG Qian-qian ZHANG De-qiang LIU Zhen-fa LI Hai-hua |
| Affiliation: | 1.College of Chemistry and Materials Science,Hebei Normal University,Shijiazhuang Hebei 050016,China;2.Institute of Energy Resources,Hebei Academy of Sciences,Shijiazhuang Hebei 050081,China;3.Hebei Academy of Sciences,Shijia-zhuang Hebei 050081,China) |
| Abstract: | The effect of magnetic field on the crystallization of CaCO3 was studied by monitoring the changes of conductivity of the treated water,and the crystallization of CaCO3 was characterized by SEM and XRD.The results show that when the concentration of Ca2＋ is less than 2.5 mmol/L,the magnetic field inhibits the rate of crystallization of CaCO3;when the concentration of Ca2＋ is higher than 2.5 mmol/L,the magnetic field accelerates the formation of crystallization of CaCO3 and inhibits the growth of particles.As the magnetic field strength increases,the effect of magnetic field on the rate of crystallization of CaCO3 is more evident. |
| Keywords: | magnetic field CaCO3 crystallization |
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