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ores sintering; biomass fuel; pollutants reduction 褐铁矿在世界范围内的分布较广泛,其总储量超过100亿t.随着我国钢铁工业的发展,我国对铁矿石的需求量越来越大.褐铁矿由于其储量大,价格低,配加到烧结料中能稳定钢铁企业的原料结构,降低生产成本[1-2],因此,有必要对褐铁矿的烧结性能进行研究.国内外针对褐铁矿进行了相关研究,发现褐铁矿具有孔隙率大..., 杜建新, 等. 铁矿石的烧结基础特性之新概念[J]. 北京科技大学学报, 2002, 24(3): 254-257.WU Shengli, LIU Yu, DU Jianxin, et al. New concept of iron ores sintering basic characteristics[J]. Journal of University of Science......
high amounts of siderite was studied using mixed cultures of mesophilic bacteria, with emphasis on zinc, lead and copper recoveries. The influencing parameters investigated include particle size... was measured every two days, while zinc, copper and lead dissolved in the solution were analyzed periodically similar to TORRES et al[31] by atomic absorption spectro- photometry(AAS). The morphologies......
A new strain Leptospirillum ferriphilum YTW315 for bioleaching of metal sulfides ores ZHANG Rui-yong(张瑞永)1, 2, XIA Jin-lan(夏金兰)1, 2, PENG Juan-hua(彭娟花)1, 2, ZHANG Qian(张 倩)1, 2, ZHANG Cheng-gui(张... problems[9]. Leptospirillum species have been recognized as the dominant microbes in the bioreactor processing mineral ores at the temperature above 40 ℃[10]. However, L. ferriphilum, a newly found......
A new strain Acidithiobacillus albertensis BY-05 for bioleaching of metal sulfides ores XIA Jin-lan(夏金兰), PENG An-an(彭安安), HE Huan(何 环), YANG Yu(杨 宇), LIU Xue-duan(刘学端), QIU Guan-zhou(邱冠周) Key... attracts more attention recently. In this paper, a new strain for assisting bioleaching of metal sulfide ores was isolated from acid mine drainage of copper ore in Baiyin area, Gansu Province......
Swelling of clay minerals in ammonium leaching of weathered crust elution-deposited rare earth oresZhen-Yue Zhang1,Zheng-Yan He1,Fang Zhou2,Cheng-Bin Zhong2,Ning-Jie Sun2,Ru-An Chi1,21. School of Minerals Processing and Bioengineering, Central South University2. Key Laboratory for Green Chemical Pro......
Some Characteristics of Niobium Mineral Resources of Low and Medium Grade Oxide Ores in the Main and Eastern Mining Areas at the Bayan Obo Mine陈泉源,余永富摘 要:<正> Since the low and medium grade oxide ores in the Main and Eastern Mining Areas at the Bayan OboMine have a high grade of Nb2O5 and large ore reserves and are rich in many elements......
, University of Johannesburg2. Department of Extraction Metallurgy, University of Johannesburg摘 要:The leaching of cobalt from four-mixed Co-Cu oxidized ores containing cobalt at levels ranging from 0.5wt% to 34wt% was studied and the results has been reported. Conventional dissolution of these oxidized Co-Cu ores with diluted H2SO4 and SO2 as a reducing......
J. Cent. South Univ. (2018) 25: 2857-2870 DOI: https://doi.org/10.1007/s11771-018-3958-6 Chemical, physical, thermal, textural and mineralogical studies of natural iron ores from Odisha... Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: The chemical, physical, thermal and texture properties of iron ores from different regions of Odisha......
含锡锌铁精矿链篦机-回转窑法制备炼铁用球团矿的研究韩桂洪1,张元波1,姜涛1,黄艳芳1,李光辉1(1.湖南省长沙市中南大学资源加工与生物工程学院)摘 要:以含锡锌复杂铁精矿(质量分数)(0.25%Sn,0.20%Zn)为对象,进行了含锡锌铁精矿制备炼铁用球团矿的研究.在分析预热,还原焙烧过程锡,锌化合物挥发行为的基础上,重点研究了链篦机预热条件和回转窑焙烧条件对预热球,成品球团矿强度及锡,锌脱除率的影响.热力学分析表明,锡,锌的挥发脱除主要发生在弱还原焙烧阶段.实验结果表明:在优化条件下,预热球抗压强度为495......
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