共搜索到7553条信息,每页显示10条信息,共756页。用时:0小时0分0秒265毫秒
, 2014, 24(2): 506-510. CAO Zhao, ZHANG Ya-hui, SUN Chuan-yao, CAO Yong-dan. Activation mechanism of serpentine by Cu(Ⅱ) and Ni(Ⅱ) ions in copper-nickel sulfide ore flotation[J]. The Chinese Journal...,金属离子与矿物的作用机理可以用该假说解释. 图5 金属离子羟基络合物在矿物表面形成示意图 Fig. 5 Formation of metal ion-hydroxy complexes on mineral surface 例如,油酸钠作捕收剂,Ca2+的加入可活化石英浮选,这是由于Ca(OH)+的存在并吸附在石英表面,增加了石英表面动电位,有利于油酸钠在石英表面的吸附......
Modeling of Fracture Toughness of Electroless Nickel (EN) Coatings K. Zangeneh1,F.Ashrafizadeh3,S.M. Monir-vaghefi3 (1.Department Of Engineering, Islamic Azad University-Saveh Branch, Saveh 39187...:In the present reserch, a model has been proposed for estimate fracture toughness of Nickel-phosphorus (EN)layers. For this purpose, high phosphorus (9%) EN coatings with thicknesses of 6, 12, 24, 36......
was used as a kind of reagent for removing copper in the technology of active nickel sulfide. NAS was designed by replacing S2- of NiS with a kind of new chemical structure through modifying anion.... Effect of some process variables on flotability of sulfide nickel ores[J]. Int J Miner Process, 2002, 65(2): 59-72. [5] ZHANG Hong-guang, DREISINGER D B. The adsorption of gold and copper onto ion......
and magnesia. According to the characteristics of the mineral, the joint technics on leaching and sodium jarosite process were implemented to reclaim nickel and iron. The results show...分别为91.95%和67.96%;经黄钠铁矾法沉淀分离和焙烧工艺能够获得Fe品位为55.56%的氧化铁产品,且镍和铁的总回收率分别达到89.39%和67.46%.关键词:红土镍矿;浸出;镍;铁;综合回收Comprehensive recovery test of nickel and iron from nickel laterite oreCAO Zhan-fang, ZHONG Hong......
-zhi, JIANG Chang-yi, ZENG Zhang-ren, YAN Hai-qin, et al. Chinese nickel-copper(PGE) sulfide deposits mineral geology and mineral prediction[M]. Beijing: Geological Publishing House, 2006. [3] 高强祖, 王玉山, 黄满湘. 金川铜镍硫化物矿床Ⅰ,Ⅱ矿区矿体地质对比研究[J]. 矿产与地质, 2009, 23(6): 514-518. GAO Qiang-zu, WANG Yu-shan, HUANG Man-xiang. Geological comparison study of orebody in mining area Ⅰ, Ⅱ of Jinchuan copper-nickel-sulfide......
......
......
)05-1691-07 Enhancement of nickel extraction from laterite in hydrochloride acid through activated roasting LI Jin-hui1, 2, LI Xin-hai1, HU Qi-yang1, WANG Zhi-xing1, ZHOU You-yuan1, ZHENG Jun-chao1, WU..., Ganzhou 341000, China) Abstract: Enhancement of nickel extraction via activated roasting treatment of laterite and subsequent acid leaching was investigated by X-ray diffraction (XRD), Fourier......
South University, Changsha 410083, China) Abstract: Nickel was recovered by solvent extraction from the acid leach liquor of metalliferous black shale smelter slag and NiO powder was produced from nickel oxalate prepared. The results show that the addition amount of the extractant (PC-88A), phase ratio volume ratio of water to oil, extraction time, pH of the feed solution have significant effect......
Pressure leaching of bismuth sulfide concentrate containing molybdenum and tungsten in alkaline solutionZHANG Du-chao(张杜超), YANG Tian-zu(杨天足), LIU Wei-feng(刘伟锋), WU Jiang-hua(吴江华)(School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China)Abstract:The leaching results of bismuth sulfide concentrate containing molybdenum and tungsten in air-H2O2-NaOH system......