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高温高压无氰解吸电解工艺在夏家店金矿的应用及改进周清涛1(1.陕西省商洛市西北有色地质勘查局713队)摘 要:采用高温高压无氰解吸电解工艺设备,通过对解吸液中NaOH浓度,解吸液流量进行工业试验考察及优化改进,在压力0.50~0.60 MPa,温度150℃,解吸液中w(NaOH)3%~5%,解吸液流量2.5 m3/h左右,解吸时间8 h条件下,载金炭金解吸率可达99%以上,取得了较好的技术经济指标.关键词:载金炭； 解吸电解工艺； 金解吸率......
aluminum electrolysis cell LI Mao, ZHOU Jie-min (School of Energy Science and Engineering, Central South University, Changsha 410083, China) Abstract: Using commercial package ANSYS and custom code, the parametrical mathematic model of busbar configuration in the 500 kA aluminum electrolysis cell was proposed, and the busbar configuration along with the physical fields was studied and optimized based......
氢扩散阳极在电解锌中的研究 魏昶1,张家涛1,樊刚1,沈鑫远1 (1.昆明理工大学材料与冶金工程学院材料系) 摘要:在湿法炼锌电解过程中,用氢扩散阳极代替传统的阳极,可以达到节能的目的.使用铂催化剂氢扩散阳极作阳极,在电解液中通入H2进行电解试验,节能可达50%左右.同时,介绍了氢扩散阳极的结构,节能原理以及在研制和试验时存在的一些问题.最后,对于氢扩散阳极在湿法冶金上的应用进行了展望. 关键词:氢扩散阳极; 节能; 电解锌; hydrogen diffusion anode energy-saving zinc electrolysis research progress; [全文内容正在添加中] ......
was developed for leaching LiCoO2 in the low acidity medium by electrolysis from spent lithium-ion secondary batteries. The electrochemical deoxidizing of LiCoO2 was characterized by linear sweeping voltammetry... temperature 45 ℃, electrolysis time 120 min. Under the optimal conditions, the leaching rates of Co and Al are 90.8% and 7.9%, respectively. After leaching, the aluminum foil can be recovered in their metallic......
] and electrolysis[3-4]. Copper powders produced by electrolysis have many advantages such as high purity, large specific surface area and good compressibility and molding. In order to obtain copper powders... normal gravity condition. Under G value of 256, in initial stages of electrolysis, current density was larger than that under other gravity conditions, but after about 600 s, current density became......
水溶液电解法提取钢中超细非金属夹杂物研究李慧改1,邱磊1,吴春峰1,曲巍1,郑少波1(1.上海市上海大学上海市现代冶金与材料制备重点实验室)摘 要:小样电解法可以无损伤地提取钢中细小以及不稳定的非金属夹杂物,相比大样电解,小样电解所需时间短,操作简单.通过分析水溶液小样电解法提取超细夹杂物的影响因素,研究了电解液成分以及电解时间对电解效率的影响,利用水溶液电解法提取出了包括氧化物,硫化物等类型的超细夹杂物.为深入研究细小夹杂物的三维形貌,粒度分布及其化学成分等提供基础依据.关键词:钢； 超细； 非......
for aluminum electrolysis cell TIAN Lin1, 2, XU Fushun2, YU Zhanliang1, XIE Gang1, LI Rongxing3 (1. Kunming Metallurgical Research Institute, Kunming 650031, China; 2. Yunnan Metallurgical Group Co., Ltd... at (20±5) ℃ for aluminum electrolysis cell was prepared with epoxy resin as binder, electro-calcined anthracite and graphite as aggregate. The properties of prepared pastes were investigated......
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