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. Key words: fine particles; flotation column; scheelite; flotation tailings; recycling  ......
: lead-flow analysis; optimization of lead consumption; eco-efficiency; lead recycling rate; lead emission rate; evaluation index  ... stage through recycling processes. In order to simplify the formula, we may define the ratio of the old scrap lead that is recycled in year to the total production of products years ago......
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结合CCS的炉顶煤气循环-氧气鼓风高炉CO2减排分析薛庆国1,韩毅华2,王静松2,孔令坛2(1.北京市北京科技大学高效钢铁冶金国家重点实验室2.北京科技大学 高效钢铁冶金重点实验室,北京 100083)摘 要:介绍了炉顶煤气循环-氧气鼓风高炉炼铁技术的研发进展,阐述了碳捕捉及封存技术(CCS)的特点及其技术成熟度,重点分析了几种CO2分离方法的原理及其适用条件,最后应用IPCC2006方法计算分析了结合碳捕捉及封存技术的炉顶煤气循环氧气鼓风高炉的CO2减排效果.结果表明:新工艺的吨铁CO2排放量为582.40k......
, Jing-lin YOU3, Zhuo ZHAO1,2 1. Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling, Anhui University of Technology, Ma’anshan 243032, China; 2. School of Metallurgical... ions; redox behavior; eutectic LiCl-KCl melt; end-of-life LCDs; resources recycling 1 Introduction Indium is a rare and strategic metal due to its extremely low content in the earth crust, which......
; pH value; recycling 基金项目:国家科技支撑计划"十一五"重大项目(2008BAB35B04);中央专项中南大学前沿研究计划重点项目(2010QZZD003) 收稿日期:2011-09-07;修订日期:2012-01-16 通信作者:徐 徽,教授,博士;电话:0731-88877352;E-mail: xuhui_0318@hotmail.com 氢氧化镁作为一种......
; recycling use Foundation item: Project(2011CB606301) supported by the National Basic Research Development Program of China; Project(20132102110005) supported by Doctoral Fund of Ministry of Education......
the grade of zinc in the magnetic concentrate from 5.9% to 1.8 %. Key words: magnetic spiral chute; fine magnetic materials; blast sludge; iron ores; recycling  ......
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; 文献标识码: A Properties of recycling tungsten heavy alloy GAO Hai-yan, WANG Xin-ping, HE Yue-hui, REN Bin, CHEN Li-bao, HUANG Bai-yun (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: The recycling tungsten heavy metal alloy powder was obtained by oxidation-reduction......