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vanadium slag with waste titanium dioxide without roasting was studied. Mineralogy analysis indicates that the converter vanadium slag contains mainly three mineral phases:magnetite, titanium magnetite... leaching agent concentration were investigated on the waste titanium dioxide leaching process. The results indicate that under the optimal conditions, the vanadium and the iron leaching rates......
Recovery of vanadium from black shale LI Cun-xiong(李存兄), WEI Chang(魏 昶), DENG Zhi-gan(邓志敢), LI Min-ting(李旻廷), LI Xing-bin(李兴彬), FAN Gang(樊 刚) College of Metallurgical and Energy Engineering... ____________________________________________________________________________________________ Abstract: The recovery of vanadium from a black shale from Guizhou Province of China was performed using a three-step process, which consists of a leaching step in the H2SO4-HF-NaClO system......
Effect of Annealing Duration and Substrates on Structure and Property of Vanadium Dioxide Films储新宏,TAO Haizheng,WAN Meinan,WANG Shuo,NING Zhiyong,XU Na,赵修建State Key Laboratory of Silicate Materials... annealing parameters of temperature(400 ℃) and oxygen pressure(103 Pa), we fabricated a series of vanadium dioxide thin films through the change of annealing durations or substrates(quartz glass......
and chromium from vanadium slag using molten NaOH-NaNO3 binary system [J]. AICHE Journal, 2013, 59(2): 541–552. [21] YAN Wen-bin, HU Lan-shuang, GAO Feng, HAO Jun, HE Xin-bo. Effect of manganese dioxide... J. Cent. South Univ. (2018) 25: 1317-1325 DOI: https://doi.org/10.1007/s11771-018-3828-2 Leaching of vanadium and chromium from converter vanadium slag intensified with surface wettability YANG Qi......
Significant control of metal-insulator transition temperature through catalytic excessive oxygen doping in high-performance vanadium dioxide nanobeam channelMinhwan Ko1,Sang Yeon Lee1,Hyungtak... transition temperature control of vanadium dioxide(VO2) is reported. Rectangular VO2 nanobeams were synthesized by a thermal chemical vapor deposition(TCVD) system. The metal-insulator transition(MIT......
ratio of 3% and a manganese dioxide ratio of 3%,respectively.A completely chemical precipitation method was adopted to decontaminate and enrich the vanadium in the acid leaching solution.The X-my...Vanadium recovery from clay vanadium mineral using an acid leaching methodLI Haoran~a FENG Yali~b LIANG Jianglong~a LUO Xiaobing~b DU Zhuwei~a ~a State Key Laboratory of Biochemical Engineering......
二氧化钒粉末的合成技术 李志友1,曹笃盟1,周科朝1 (1.中南大学,粉末冶金国家重点实验室,湖南,长沙,410083) 摘要:迄今为止VO2一共有6种晶型,包括VO2(A),MO2(B),MO2(C),VO2(M)和VO2(R)等.尽管目前发展了众多不同的技术方法制备VO2薄膜,但是很少有制备VO2超细粉末的简便方法.本文结合作者的研究工作,综述了二氧化钒粉末的合成技术,如:传统的固相方法,热解法,软化学方法,水热法,溶胶-凝胶法和激光诱导气相沉积法等,比较了各种技术的优缺点并提出了将来有关合成技术可能的研究方向. 关键词:二氧化钒粉末; 合成技术; 综述; vanadium dioxide powder; synthetic technology; review; [全文内容正在添加中] ......
二氧化钒粉末的合成技术 李志友1,曹笃盟1,周科朝1 (1.中南大学,粉末冶金国家重点实验室,湖南,长沙,410083) 摘要:迄今为止VO2一共有6种晶型,包括VO2(A),MO2(B),MO2(C),VO2(M)和VO2(R)等.尽管目前发展了众多不同的技术方法制备VO2薄膜,但是很少有制备VO2超细粉末的简便方法.本文结合作者的研究工作,综述了二氧化钒粉末的合成技术,如:传统的固相方法,热解法,软化学方法,水热法,溶胶-凝胶法和激光诱导气相沉积法等,比较了各种技术的优缺点并提出了将来有关合成技术可能的研究方向. 关键词:二氧化钒粉末; 合成技术; 综述; vanadium dioxide powder; synthetic technology; review; [全文内容正在添加中] ......
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Trans. Nonferrous Met. Soc. China 30(2020) 1687-1696 Behavior of vanadium during reduction and smelting of vanadium titanomagnetite metallized pellets Shuai WANG, Yu-feng GUO, Fu-qiang ZHENG, Feng...: The effects of CaO content, MgO content and smelting temperature on the vanadium behavior during the smelting of vanadium titanomagnetite metallized pellets were investigated. The thermodynamics......