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首页> 外文会议>International mineral processing congress;IMPC 2010 >SURFACE CHEMISTRY OF IRON ORE THROUGHOUT A PROCESSING PLANT
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SURFACE CHEMISTRY OF IRON ORE THROUGHOUT A PROCESSING PLANT

机译：整个加工厂中铁矿石的表面化学

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An extensive study was carried out to completely characterize the Zeta potential of an iron ore asit proceeded through a full-scale iron ore processing plant. This was done for two reasons: (1) toproduce a ‘snapshot’ of the conditions during a period where the plant was performing correctly toprovide a basis for comparison if the plant performance later changed; and (2) to determine howthe actual surface chemistry of the ore particles in an operating plant differed from those reportedin the literature for pure minerals under controlled conditions. From these results, it was seen thatthe actual Zeta potentials were much different than what had been assumed when the process wasdesigned. Re-design of the processes to take into account the actual Zeta potentials of the ores beingprocessed could potentially lead to significant process improvements, because zeta potential has astrong effect on particle-particle and particle-chemical interactions.
机译：进行了广泛的研究，以完全表征铁矿石通过大型铁矿石加工厂的Zeta潜力。这样做有两个原因：（1）在工厂正常运行期间生成条件的“快照”，以提供以后工厂性能变化时进行比较的基础； （2）确定在可控条件下，作业工厂中矿石颗粒的实际表面化学与文献中报道的纯矿物有何不同。从这些结果可以看出，实际的Zeta电位与设计工艺时所假定的电位有很大不同。重新设计工艺以考虑到所加工矿石的实际Zeta电位可能会导致重大的工艺改进，因为zeta电位对颗粒-颗粒和颗粒-化学相互作用具有重大影响。

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