河南某难选低品位微细粒金红石选矿试验研究

doi:10.11872/j.issn.1005-2518.2018.03.334

Abstract

Abstract: We studied the mineralogy and beneficiation experiments of a low grade refractory fine grain rutile and ilmenite in Henan Province.Rutile and ilmenite are recycling value in ore，rutile mineral is xenomorphic and semi-xenomorphic that distributed as combination along the schistosity direction of gangue mineral，ilmenite combination was coated among hornblende，biotite and quartz as small granular.The grain size of the rutile is thinner to this class of fine grain and micro-fine grain，which is generally 0.037~0.074 mm.Under the case of TiO2 content of 2.10%，Fe2O3 content of 9.69% in raw ore，rutile concentrate with 88.25% TiO2，recovery of 97.80%，ilmenite concentrate with 11.76% TiO2，recovery of 89.57% were obtained by principle flow of gravity separation-magnetic separation-pickling-flotation.Among them，the gravity separation process is one roughing-one cleaning and the middlings of scavenging two，scavenging three in high intensity magnetic recleaninged，the magnetic separation process is one roughing-four scavenging，middlings of scavenging one，scavenging four and roughing concentrate combined into magnetic concentrate for pickling，flotation process is one roughing-two cleaning-two scavenging.

Key words: fine grained rutile, pickling, magnetic separation, tall oil, weathering crust type, heteropolar kero-sene, low grade ore, benefication

CLC Number:

TD923.1

SHI Guiming, ZHOU Yichao, LI Ming. Beneficiation Experiment of a Refractory and Low Grade Fine Grain Rutile Ore in Henan Province[J].Gold Science and Technology, 2018, 26(3): 334-341.

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Beneficiation Experiment of a Refractory and Low Grade Fine Grain Rutile Ore in Henan Province

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