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本文研究了十二烷基苯磺酸钠、十二烷基硫酸钠在不同粘土、碳酸盐岩、石英及天然岩心上的吸附规律,矿物表面润湿性对吸附的影响。提出了推延的Fuerstenau模型,解释了吸附等温线最大值及不同矿物的吸附特性。 In this paper the influences of polyquarternary ammonium salt-type clay stabilizers on the wettable and charged properties of clay mineral surface are examined in detail and the relation of the change ofthese properties with the performance of the clay stabilizers is discussed. 较详细地考查了聚季铵盐型粘土稳定剂对粘土矿物表面的润湿性和带电性的影响,并讨论了这些性质的改变与粘土稳定剂性能之间的关系. An improved method based on Neumann way which is used to measure the contact angle has been developed to study more accurately the effect of mineral electropotential on its contact angle. The results of galena and pyrite showed that the wettability of mineral surface can be changed by adjusting the mineral electropotential. At certain electropotential, the contact angle of mineral surface can reach its maximum value. 在Neumann法测量接触角的装置中,引进电位控制参数,较为精确地研究了矿物电极电位与矿物表面接触角的关系。对方铅矿和黄铁矿的研究结果表明:矿物电极电位影响矿物表面润湿性,改变矿物电极电位时,矿物表面接触角发生明显变化,在一定电位下接触角可达最大。
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