...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Mining Engineering >Maximizing REE enrichment by froth flotation of Alaskan coal using Box-Behnken design
【24h】

Maximizing REE enrichment by froth flotation of Alaskan coal using Box-Behnken design

机译：通过Box-Behnken设计通过阿拉斯加煤的泡沫浮选最大化REE富集

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Rare earth elements (REEs) and their compounds are essential in a multitude of mundane and sophisticated applications, such as renewable-energy technologies, catalysts, medicine and defense. Cost-effective and environmentally benign opportunities are being explored for the production of REEs from nonconventional mineral sources, including coal and coal byproducts, to stabilize the supply chain. The objective of this study was to concentrate the REEs contained in the coal samples from the Healy coal mine and Wishbone Hill deposits in Alaska by froth flotation. A Box-Behnken design of experiments was carried out to maximize REE recovery and REE concentration by modeling and optimizing three operating variables: frother dosage, pulp density (percent solids) and collector dosage. Based on the results, the optimum flotation conditions for maximum recovery at an elevated concentration of REEs in the froth fraction was obtained at 4.2 percent solids and 32.7 ppm of frother dosage for the Healy sample, and 10 percent solids and 37.9 ppm of frother dosage for the Wishbone Hill coal sample.
机译：稀土元素（REES）及其化合物在众多平常和复杂的应用中是必不可少的，例如可再生能源技术，催化剂，医药和防御。正在探索具有成本效益和环境良性的机会，从非共等的矿物来源生产REES，包括煤炭和煤炭副产品，以稳定供应链。本研究的目的是将煤样中包含的REES从HEALY煤矿和汉币山沉积物中集中在阿拉斯加的福禄管浮选中。通过建模和优化三种操作变量来实现箱子的实验设计，以最大化REE恢复和REE浓度：较细量，纸浆密度（固体百分比）和收集剂剂量。基于该结果，在泡沫分数升高的泡沫馏分浓度下最大蒸发条件以4.2％固体和32.7ppm的堆积样品的32.7ppm，以及10％的固体和37.9ppm的剂量汉语山煤样。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号