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, et al. Study on process and kinetics of extracting copper from complex high silicon white alloy by sulfuric acid oxidation leaching[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(5...5 mL的次氯酸钠(Cl-的摩尔数相等)对铜钴浸出率的影响,结果如图3所示. 图2 高硅白合金硫酸氧化浸出的流程图 Fig. 2 Flow chart of sulfuric acid oxidation leaching of high silicon white alloy 图3 不同氧化剂对铜和钴浸出率的影响 Fig. 3 Effect......
and tellurium were leached in sulfuric acid solution. The base metals containing in copper anode slime can be removed efficiently. The result shows that valuable metals cannot be separated effectively whether the direct leaching was performed in alkaline solution or sulfuric acid solution. Arsenic and antimony cannot be removed together under different oxidation methods when the process of alkaline......
location is also more flexible without the restrictions of sulfuric acid sales. The technologies and chemical principle utilizing Gacun complex copper concentrates by oxygen pressure acid leaching.... Sulfuric acid (98%), hydrochloric acid (36%), thiourea, sodium chloride, ferric sulphate, and sodium lignin sulfonate used in these experiments are all chemically pure, and 260# kerosene, Acorga M5640......
of stone coal that came from power generation was conducted. Factors which influence the leaching of vanadium such as concentration of sulfuric acid, leaching temperature, leaching time and liquid... oxidation roasting (RL). Both of the leaching materials are crushed and grinded to ＜0.074 mm of 75%-80%, which is suitable for leaching. The residue is leached with sulfuric acid in a conical flask using......
Evolution of insoluble eutectic Si particles in anodic oxidation films during adipic–sulfuric acid anodizing processes of ZL114A aluminum alloysLei Hua1,Jian-hua Liu1,Song-mei Li1,Mei Yu11. School... containing 50 g/L sulfuric acid and 10 g/L adipic acid. The thickness of the formed anodic oxidation film was approximately 7.13 μm. The interpore distance and the diameters of the major pores in the porous......
:A 文章编号:1672-7207(2015)01-0248-07 Model test research on salt expansion of partition above and channelize below sulfuric acid saline soil roadbed CHEN Zai1... South University, Changsha 410083, China) Abstract: According to the survey of a sulfuric acid saline soil roadbed in Alar, Xinjiang, the salt expansion characteristics and law of temperature change were......
Kinetics and Mechanism of Iridium(Ⅲ) Catalyzed Oxidation of 1,2-Propanediol by Cerium(Ⅳ) in Sulfuric Acid Media翟永清,刘红梅,杨国忠,宋文玉,白维嵩,肖佳摘 要:The kinetics and mechanism of trace iridium(Ⅲ) catalyzed oxidation of 1,2-propanediol (PRD) by cerium(Ⅳ) in aqueous sulfuric acid media were investigated by titrimetric technique of redox in the temperature range......
;Main chemical reactions thermodynamic calculation of U-Mo ore sulfuric during acid roasting process 铀钼矿硫酸焙烧过程主要化学反应如式(1)~(5)所示,可见UO2经O2和浓H2SO4先氧化为UO3,然后化合生成UO2SO4；而UO3直接与H2SO4化合为UO2SO4.胶硫钼矿MoS2则被O2和浓... ore sulfuric roasting process 图9 铀钼矿硫酸焙烧熟料XRD谱 Fig. 9 XRD pattern of sulfuric acid roasting clinker from U-Mo ore 图9所示为焙烧熟料XRD谱.由图9可见,在焙烧熟料中主要物相已由原矿中的铝硅酸盐转变为SiO2,而Al2O3和Fe2O3则分别以其硫酸盐Al2......
-consuming reaction. Additionally, bioleaching of bornite by A. ferrooxidans involved ferric iron-dependent reaction, and regeneration of ferric iron and production of sulfuric acid from elemental sulfur... and acid mine drainage environment protection LIAO Rui(廖蕤)1, 2, YU Shi-chao(于世超)1, 2, WU Bai-qiang(邬柏强)1, 2, ZHAO Chun-xiao(赵春晓)1, 2, LIN Hao(林豪)1, 2, HONG Mao-xin(洪茂鑫)1, 2, WU Hai-yan(武海艳)1, YANG Cong-ren(杨......
of sulfuric acid concentrations on leaching rate of tungsten 图13 不同硫酸浓度下黑钨矿浸出过程中- 关系图 Fig. 13 Plots of vs of wolframite during leaching at different sulfuric acid concentrations... 8771617[P]. 2014-07-08. [11] LI Jiang-tao, ZHAO Zhong-wei. Kinetics of scheelite concentrate digestion with sulfuric acid in the presence of phosphoric acid[J]. Hydrometallurgy, 2016, 163: 55-60. [12] 王明燕......
