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J. Cent. South Univ. Technol. (2011) 18: 411-419 DOI: 10.1007/s11771-011-0712-8 Experimental and numerical study of fence effects on dust emission into atmosphere from open storage piles S... fence (ε=30%) and no fence (ε=100%), 183 wind velocity measurements with hot-wire anemometer and 60 dust concentration measurements, measuring Total Particle and PM10, were developed. Some turbulence......
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1 高炉瓦斯灰的粒径分布图 Fig. 1 Particle size distribution of blast furnace dust 表1 高炉瓦斯灰的主要化学成分 Table 1 Chemical compositions of blast furnace dust (mass fractions, %) 图2 高炉瓦斯灰的XRD谱 Fig. 2 XRD pattern of blast furnace dust 表2 高炉瓦斯灰中锌的主要物相 Table 2 Phase distribution of zinc presented in blast furnace dust (mass fraction, %) 1.2 实验方法及设备 按实验方案用电子天平......
Trans. Nonferrous Met. Soc. China 28(2018) 1854-1861 Oxidation leaching of copper smelting dust by controlling potential Wei-feng LIU, Xin-xin FU, Tian-zu YANG, Du-chao ZHANG, Lin CHEN School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 16 May 2017; accepted 8 September 2017 Abstract: A study was conducted for metal extraction from copper smelting dust......
; 文献标识码:A Pressure leaching technique of smelter dust with high-copper and high-arsenic XU Zhi-feng, NIE Hua-ping, LI Qiang, LU Qiu-hu, WANG Wei, YUE Ri-hui...-copper and high-arsenic smelter dust was studied. The results show that the optimal pressure leaching technique of copper smelter dust is determined as s 0.74 /57 5 /in. Under these conditions......
;腰果壳油摩擦粉SEM像 Fig. 1 SEM image of cashew dust 1.2 原料及试样配方 摩擦材料组分包括粘结剂,增强纤维,摩擦性能调节剂及填料等.具体配比列于表1,同时调节腰果壳油摩擦粉和沉淀BaSO4的含量以保证各组分总含量不变,配制A1,A2,A3,A4和A5试样,配方详见表1.其中腰果壳油摩擦粉在配方中含量变化为0~13%.沉淀BaSO4是一...,腰果壳油摩擦粉通过纳米炭黑进行改性后,摩擦材料在高温下可将产生的热量通过纳米炭导出,有利于摩擦面热量的扩散,降低了局部高温而起到保护作用[16-18]. 图2 腰果壳油摩擦粉在氮气氛围中的TG-DTG曲线 Fig. 2 TG-DTG curves of cashew dust in nitrogen atmosphere 2.2 腰果壳油摩擦粉含量对摩擦材料......
analysis results of high antimony dust (mass fraction, %) 表2 高锑烟尘化学分析结果 Table 2 Chemical composition of high antimony dust (mass fraction, %) 由表1可知,高锑烟尘的组成成分比较复杂,主要含有锑,砷,硫,硅和铁等元素.其中锑品位高达30%左右...SEM形貌表征,结果分别如图1和2所示. 图1 高锑烟尘XRD谱 Fig. 1 XRD pattern of high antimony dust 图2 高锑烟尘SEM像 Fig. 2 SEM image of high antimony dust 由图1可知,高锑烟尘XRD谱出现明显Sb2O3和As2O3的衍射峰,且三个强衍射峰吻合程度较高,砷,锑......
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力学 中图分类号:TF843.5 文献标志码:A Oxidized leaching selenium from Ni-Mo ore smelter dust in mixing solution system of H2SO4-HCl-H2O HOU Xiao-chuan1, 2, GAO Cong-jie1, XIAO... 737100, China) Abstract: The thermodynamics of oxidized leaching selenium from Ni-Mo ore smelter dust in mixing solution system of H2SO4-HCl-H2O was analyzed, and a novel process and its optimum......
Trans. Nonferrous Met. Soc. China 26(2016) 575-580 Leaching behavior of metals from high-arsenic dust by NaOH-Na2S alkaline leaching Xue-yi GUO1,2, Yu YI1,2, Jing SHI1, Qing-hua TIAN1,2 1. School..., Changsha 410083, China Received 9 February 2015; accepted 1 July 2015 Abstract: Arsenic is selectively extracted from high-arsenic dust by NaOH-Na2S alkaline leaching process. In the leaching arsenic......
