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Preparation of zirconium by electro-deoxidization in molten salt LI Qing-yu(李晴宇), DU Ji-hong(杜继红), XI Zheng-ping(奚正平) Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China... by electro-deoxidization method. Using CaCl2 molten salt as electrolyte, sintered ZrO2 pallets as cathode, graphite rod as anode, the pallets were electrolyzed at 900 ℃ and 3.1 V for 8, 10 and 12 h......
lime, leaching temperature of room temperature, and leaching time of 4 h. Key words: vanadium; stone coal; salt-roasting; chlorine curing 1 Introduction China is rich in mineral resources of vanadium...J. Cent. South Univ. Technol. (2011) 18: 1940-1944 DOI: 10.1007/s11771-011-0926-9 Extraction of vanadium from stone coal by modified salt-roasting process WANG Ming-yu(王明玉), WANG Xue-wen(王学文), SHEN......
for 1 h by applying a water-to-solid ratio of 5:1 at room temperature. The recovery rates of Zn and Fe were 98.69% and 92.36%, respectively. The main parameters of the chlorine salt leaching system were.../mol. Key words: acid-leaching residue; sulfation roasting; chlorine salt; Pb, Ag; kinetics Cite this article as: WANG Rui-xiang, YANG Yu-dong, LIU Cha-xiang, ZHOU Jie, FANG Zhuang, YAN Kang, TIAN Lei......
Enhancement of photocatalytic activity of TiO2 film electrode by in situ photoelectro-generating active chlorine CHENG Xiao-fang(程小芳)1, LENG Wen-hua(冷文华)1, PI Ou-yang(皮欧阳)1, ZHANG Zhao(张 昭)1...: The photoelectrocatalytic activity of TiO2 film electrodes in the degradation of nitrite ion was greatly enhanced in the presence of chlorine ion. The influences of NaCl concentration and initial pH value......
-assisted hydrogen reduction. W particles with controlled shape and size were prepared by adjusting the amount of chlorine salts and the temperature. After adding salt additives, the dispersibility... as well. Key words: tungsten particles; salt-assisted hydrogen reduction; chlorine salt; morphology; size; controllable synthesis 1 Introduction Tungsten (W) is a silvery metal and exhibits numbers......
’an 710043, China Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: Salt weathering leads to destruction of many valuable cultural heritage monuments and porous building material. The present study aims at providing more laboratory evidence for evaluating the effects of salt precipitation on the deterioration process. In view of this, the remoulded soil specimens......
J. Cent. South Univ. (2017) 24: 937-946 DOI: 10.1007/s11771-017-3496-7 Effect of Friedel’s salt on strength enhancement of stabilized chloride saline soil CHENG Yin(程寅)1, LI Zhan-guo(李战国)1, HUANG... hydrate, also known as Friedel’s salt, appeared in the PC+CH-stabilized chloride saline soils. The solid-phase volume of Friedel’s salt expanded during the formation of the hydrate; this volume filled......
to solve the problem of chlorine content in the gas, such as the salt corrosion of gas pipeline and TRT operation leaves, and the erosion of hot blast stove regenerator checker brick. All of these problems...; HCl gas; dechlorination; breakthrough time; penetration chlorine capacity Cite this article as: TENG Ai-jun, HU Bin-sheng, GUI Yong-liang, XUE Xiang-xin. Influence of blast furnace top gas......
Dry Machining Tool Design via Chlorine Ion Implantation Atsushi Mitsuo1,Shinji Muraishi2,Shigeo Yamamoto1,Tatsuhiko Aizawa3,Taro Sumitomo3 (1.Tokyo Metropolitan Industrial Research Institute, Tokyo... of lubricous oxide films is found to be effective for dry machining. Through the chlorine ion implantation to tools, titanium base oxides are in-situ formed on the tool surface.This oxide deforms elasto......
J. Cent. South Univ. Technol. (2011) 18: 925-931 DOI: 10.1007/s11771-011-0782-7 Statistical evaluation of five failure criteria for intact salt rock MA Lin-jian(马林建), LIU Xin-yu(刘新宇), FANG Qin(方秦... fits the test data and describes the mechanical behavior of the salt rock sequence (halite, bedded composite specimens and anhydrite interlayers). Full-scale comparison of all criteria for the three......