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矿物表面疏水性在糊精吸附过程中的作用
引用本文:刘奇 李晔. 矿物表面疏水性在糊精吸附过程中的作用[J]. 矿冶工程, 1994, 14(2): 32-36,41
作者姓名:刘奇 李晔
作者单位:武汉工业大学
基金项目:国家教委留学回国人员工作基金
摘    要:采用吸附量测定及光电子能谱技术研究了糊精在改性的石英表面和金红石表面的吸附机理。发现糊精并不像文献中所报道的因疏水键合作用而吸附,而是通过与矿物表面金属羟基络合物作用而吸附,因此其吸附最随溶液pH值而变化。矿物表面疏水性在糊粗吸附过程中不起主要作用,但有提高精吸附同作用。

关 键 词:糊精 吸附机理 协同作用 浮选药剂

EFFECT OF HYDROPHOBICITY OF MINERAL SURFACES ON ADSORPTION PROCESS OF PASTE
LhQi,Li Ye,Peng Yongjiun. EFFECT OF HYDROPHOBICITY OF MINERAL SURFACES ON ADSORPTION PROCESS OF PASTE[J]. Mining and Metallurgical Engineering, 1994, 14(2): 32-36,41
Authors:LhQi  Li Ye  Peng Yongjiun
Affiliation:Wuhan University of Technology
Abstract:The adsorption mechanism of paste on the surfaces of modified quartz and ru-tile is studied by adsorption capacity determination and optoelectric spectrometry,The studyshows that the adsorption results from its effect on metal hydroxy complexes on the miner-als surfaces,instead of its hydrophobic bonding effect as reported in some literature,There-fore,the adsorption capacity varies with pH. The hydrophobicity of the minerals surfacesdoes not play a dominant role in the adsorption process of paste , but is conducive to the im-provement of synergistic effect of paste adsorption.
Keywords:Paste  Adsorption mechanism  Synergistic effect.  
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