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    • 4. 发明授权
    • Method controlling a process by impedance analysis
    • 通过阻抗分析控制过程的方法
    • US5108495A
    • 1992-04-28
    • US351647
    • 1989-06-06
    • Seppo O. HeimalaKaarlo M. J. Saari
    • Seppo O. HeimalaKaarlo M. J. Saari
    • B03B13/04B03D1/02G01N27/02
    • B03B13/04B03D1/02Y10S209/901Y10S209/902Y10S423/17
    • The invention relates to a method for controlling a process operating by means of the electrochemical potential, in which process complex ores and/or concentrates are treated in order to arrange the valuable components in the materials in a form appropriate for further processing and in which method electrodes made of material essentially similar to the materials to be treated in the process. According to the invention an impedance analysis in connection with the measurement of the electrochemical potential is carried out for the material to be treated in process in order to analyze the state of the solid surface and/or the state between the solid material and the intermediary material. The measured values are utilized in the adjustment of the process parameters. In order to carry out the impedance analysis voltage pulses are conducted into the material in at least one frequency and in at least one value of the electrochemical potential of the material.
    • 本发明涉及一种用于控制通过电化学电位操作的方法的方法,其中处理复杂矿石和/或浓缩物以便以适合于进一步处理的形式将材料中的有价值组分排列成适当的方式,并且以哪种方法 由材料制成的电极基本上与在该过程中待处理的材料相似。 根据本发明,为了分析固体表面的状态和/或固体材料与中间材料之间的状态,对正在处理的材料进行与电化学势的测量有关的阻抗分析 。 测量值用于调整过程参数。 为了执行阻抗分析,电压脉冲以至少一个频率和材料的电化学电势的至少一个值被传导到材料中。
    • 8. 发明授权
    • Process for the froth flotation of complex metal compounds
    • 泡沫浮选复合金属化合物的工艺
    • US4561970A
    • 1985-12-31
    • US545510
    • 1983-10-26
    • Seppo O. HeimalaKaarlo M. J. Saari
    • Seppo O. HeimalaKaarlo M. J. Saari
    • B03D1/00B03B1/04B03D1/002B03D1/02B03B1/00
    • B03B1/04B03D1/002B03D1/004B03D1/02B03D2201/007B03D2201/02B03D2203/02B03D2203/025
    • The invention relates to a process for the froth flotation of complex ores. In accordance with this invention, froth flotation is carried out by using a collector and froth flotation conditions for which it has been calculated in advance that the said mineral and the collector form stable surface compounds. The conditions include the electrochemical potential of the system, the concentration of the collector, the pH, and other physical factors. According to this invention it has been observed that by adjusting the potential and the concentration of the collector separately for each mineral, each mineral can be frothed out separately from the slurry, the process being in this case specific for the mineral. When so desired, the different minerals of the ore slurry can also be frothed simultaneously by selecting the conditions where the Pourfaix-type diagrams of all minerals in said complex ore overlap under the conditions in question.
    • 本发明涉及复杂矿石泡沫浮选的方法。 根据本发明,通过使用预先计算的收集器和泡沫浮选条件进行泡沫浮选,所述矿物和集电体形成稳定的表面化合物。 条件包括系统的电化学势,集电极浓度,pH值等物理因素。 根据本发明,已经观察到,通过为每种矿物分别调节收集器的电位和浓度,每种矿物可以与浆料分离出来,该方法在这种情况下特异于矿物。 当需要时,矿石浆料的不同矿物质也可以通过选择所述复杂矿石中所有矿物的Pourfaix型图在相关条件下重叠的条件同时发泡。