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首页> 外文会议>Society for Mining, Metallurgy Exploration Annual Meeting and Exhibit >THE EFFECT OF CO_2 SPARGING ON THE FLOCCULATION AND FILTRATION RATE OF CONCENTRATED HEMATITESLURRIESH. Haselhuhn, Michigan Tech. Univ., Houghton, MlK. Swanson, Michigan Tech. Univ., Houghton, MlS. K. Kawatra, Michigan Tech. Univ., Houghton, Ml
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THE EFFECT OF CO_2 SPARGING ON THE FLOCCULATION AND FILTRATION RATE OF CONCENTRATED HEMATITESLURRIESH. Haselhuhn, Michigan Tech. Univ., Houghton, MlK. Swanson, Michigan Tech. Univ., Houghton, MlS. K. Kawatra, Michigan Tech. Univ., Houghton, Ml

机译：CO_2吐痰对浓血液絮凝絮凝和过滤速率的影响。 Haselhuhn，密歇根科技。大学，霍顿，MLK。斯旺森，密歇根科技。大学，霍顿，MLS。 K. Kawatra，密歇根州科技。大学，霍顿，ml

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Filtration of hematite ore slurries can be a bottleneck in some hematite processing plants due to inadequate filtration rates caused by the dispersion of fine particles. Flocculation of fine particles in the slurry decreases the specific cake resistance of the filter cake allowing for increased filtration rates. CO_2 sparging of hematite slurry was shown to increase the filtration rate by altering the pH and the surface chemistry of the particles. It was shown that an increase in filtration rate of 278% can be accomplished by lowering the pH from 11 to 6.5 using CO_2. This was attributed to increased flocculation of hematite and silica particles in the ore.
机译：由于细颗粒分散引起的过滤率不足，赤铁矿矿石浆料的过滤可以是一些赤铁矿加工厂的瓶颈。浆料中的细颗粒的絮凝降低了滤饼的特定滤饼抗性，允许增加过滤速率。通过改变颗粒的pH和表面化学，显示赤铁矿浆料的CO_2血液浆液的喷射，以提高过滤速率。结果表明，通过使用CO_2将pH从11至6.5降低至11至6.5，可以实现278％的过滤速率的增加。这归因于矿石中赤铁矿和二氧化硅颗粒的絮凝增加。

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