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电气石的电场效应及其在环境领域中的应用前景
引用本文:吴瑞华,汤云晖,张晓晖.电气石的电场效应及其在环境领域中的应用前景[J].岩石矿物学杂志,2001,20(4):474-476.
作者姓名:吴瑞华  汤云晖  张晓晖
作者单位:中国地质大学,北京,100083
基金项目:国家自然科学基金资助项目"电气石微粒自发极化机理及其环境净化功能研究"
摘    要:电气石具有永久性的自发电极,电气石微粒的周围存在着以c轴轴面为两极的静电场.在电场作用下,水分子发生电解,形成活性分子 H3O+,吸引水中的杂质、污垢,净化水质;OH- 和水分子结合形成负离子,改善人们的生活环境;电场对带电粒子有吸附作用,可以吸附粉尘,净化空气.电气石还具有高的机械化学稳定性,与沸石、蒙脱石等的吸附作用相比,电气石不具有饱和极限,可持续使用,重复利用率高,在环境领域具有很好的发展前景.

关 键 词:电气石    电场效应    应用前景
文章编号:1000-6524(2001)04-0474-03
修稿时间:2001年5月7日

The Electrostatic Field Effect of Tourmaline Particles and the Prospect of Its Application to Environmental Protection Field
WU Rui-hu,TANG Yun-hui and ZHANG Xiao-hui.The Electrostatic Field Effect of Tourmaline Particles and the Prospect of Its Application to Environmental Protection Field[J].Acta Petrologica Et Mineralogica,2001,20(4):474-476.
Authors:WU Rui-hu  TANG Yun-hui and ZHANG Xiao-hui
Abstract:One of the most important properties of tourmaline is its electric property. Tourmalines have spontaneous and permanent poles, which form electrostatic fields around tourmaline particles with c axial planes as two poles. The effect of the electrostatic field of tourmaline can be expressed as follows: under the action of the electrostatic field, water molecules are electrolyzed and hence produce active molecules H 3O and OH -, in which the former attract impurities or dirts to tourmaline surface, thus purifying the water, whereas the latter combine with water molecules to form negative ions, hence improving living conditions of the mankind; charged particles are attracted by electric fields so that charged particulates in air are attracted to tourmaline and the air is purified. Tourmaline has high mechanical and chemical stability: compared with other minerals with absorption capacities such as zeolite and montmorillonite, tourmaline shows high repeated availability without saturation limit, so its application to the environmental protection field has brilliant prospect.
Keywords:tourmaline  electrostatic field  prospect of application
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