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Trans. Nonferrous Met. Soc. China 28(2018) 1660-1669 Direct extraction of Mo(VI) from acidic leach solution of molybdenite ore by ion exchange resin: Batch and column adsorption studies Yun-feng... be eluted by using 2 mol/L ammonia hydroxide solution. Besides, dynamic continuous column experiments verified direct extraction of molybdenum from acidic leach solutions by ion exchange resin D301......
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Trans. Nonferrous Met. Soc. China 31(2021) 1796-1805 Responses of bacterial community to potential heap construction methods of fine-grained copper tailings in column bioleaching system Xiao-dong... University, Changsha 410083, China Received 15 July 2020; accepted 30 March 2021 Abstract: The column bioleaching of copper flotation tailings was comparatively investigated using layered heap......
and simplified calculation model of energy dissipation lattice column with dense battens 采用上节所述的密缀板耗能格构柱,可以充分利用原结构基础地梁的外伸部分,无需再额外增加基础底面积,减少现场基础开挖的工作量,加快施工速度.结合既有钢筋混凝土框架结构的楼层刚度,初选密缀板耗能格构柱的截面并经多遇地震作用下的试算,确定密缀板... of model s 表3 密缀板耗能格构柱截面尺寸 Table 3 Cross-section of energy dissipation lattice column with dense battens 图6 既有钢筋混凝土框架模型和加固方案模型 Fig. 6......
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mobile solution and immobile solution zones. Column experiment on the solute transportation was conducted by adopting marker breakthrough curve method. The effect of ore diameter and irrigate rate... the ore size distribution and irrigation rate. Key words: heap leaching; solute transport; uniform flow model; mobile-immobile model; column experiment 我国矿产资源贫矿多,富矿少,复杂共生矿多,且中小型矿床居多,特大型矿床少.溶浸采矿工艺不但能较好......
Column soaking sample grain size components and content ratio 本实验中利用自制内径5 cm的有机玻璃柱状反应器进行浸矿实验.浸取剂采用浓度为4%(质量分数)的(NH4)2SO4溶液.在往柱式反应器内装入矿样之前,为减小"边壁效应"的干扰,先在反应器内壁涂抹凡士林.利用支架垂直固定好反应器,调节注液器阀门,控制注液强度为0.025 mL/s.整个柱浸实验装置各组成部分及名称见图2. 图2 柱浸实验装置图 Fig. 2 Column leaching experimental devicer 1.3 CT扫描实验 采用CT扫描仪对柱状反应器内稀土矿体进行无损探测.德国生产的SOMATOM Definition Flash型X射线CT扫描装置图如图3所示.为确保矿体浸出前后各扫描切片图尽可......
leaching heap[J]. Transactions of Nonferrous Metals Society of China, 2016, 26(3): 835-841. [9] MANAFI Z, ABDOLLAHI H, TUOVINEN O H. Shake flask and column bioleaching of a pyritic porphyry copper..., WU Ai-xiang, XUE Zhen-lin, WANG Yi-ming. Seepage behavior analysis on column leaching of copper oxide ore based on its hierarchical layered characteristics[J]. Mining Research and Development, 2014......