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Migration behavior, separation and recycling of rare earth during thermal decomposition of Zhijin phosphorus oreDengpan Nie1,2,Yu Zhang1,3,An Xue2,Mingyang Zhu2,Jianxin Cao1,31. College of Resource...="ChDivSummary" name="ChDivSummary">Zhijin phosphorus ore is a moderate and low-grade phosphorus rare-earth ore contained in mines. The separation and extraction of associated rare earth are important research......
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on kinetics of phase separation and microstructure evolution [11-13]. The atomic ordering and composition clustering process were studied by PODURI and CHEN [14] and HOU et al [15], and LI et al [16...-field model [J]. Mater Sci Eng A, 2009, 499: 204-207. [16] LI Y S, CHEN Z, LU Y L, XU G D. Dynamic scaling behaviour of late-stage phase separation in Ni75AlxV25-x alloys [J]. Chin Phys B, 2007, 16......
Abstract: For 7475 Al alloy, there were micrographs showing filaments or whiskers formation during the separation stage of superplastic elongation. This indicates the presence of liquid phase which... Inter-granular liquid phase aiding grain boundary sliding in superplastic deformation of fine-grained ZK60 Mg alloy LEE Shyong1, CHIANG Chih-te1, CHU Chun-lin1, HSU Chang-chuan2 1. Department......
phosphorus oolitic iron ore using coal-based reduction and magnetic separation. The influences of reduction temperature, reduction time, C/O mole ratio, and CaO content on the metallization degree... to the mineralogical and morphologic analysis, the iron minerals had been reduced and iron was mainly enriched into the metallic iron phase embedded in the slag matrix in the form of spherical particles......
, sulfate concentration, and organic to aqueous phase ratio were investigated along with separation feasibility of this ion in the presence of some base metals. The extraction mechanism was proposed based... of sulfuric acid concentration on stripping of copper from 0.05 mol/L loaded [A336/Cy272] in kerosene ([Cu]Lo=0.298 g/L, copper concentration in loaded organic phase) 3.2 Separation of copper from......
, and then vanadium was selectively stripped from organic phase loaded Mo(Ⅵ) and V(Ⅳ) with sulfuric acid. However, this method only can be used for the separation of Mo(Ⅵ) and V(Ⅳ) in solution. HIRAI et al[15-17...; Abstract: The separation techniques of vanadium and molybdenum were summarized, and a new method of removal V(Ⅴ) from Mo(Ⅵ) by adsorption with chelate resin was presented. Nine......
agent. The effects of extractant volume fraction, volume ratio of organic phase to aqueous phase (V(O)/V(A)), contacting time, mass concentration of stripping agent, V(O)/V(A) of stripping on extractive separation of copper from cobalt were investigated, and the optimum conditions of extractive copper using Lix973 were also obtained. The results show that the optimal extraction and stripping......
into glass.There is no diffraction peaks in the XRD pattern but it is no longer transparent for the base glass without nucleating agent after heat treatment,which suggests the serious phase separation occurred,and the observation by SEM indicates that the phase separation is developed by nucleation and growth mechanism.However,there are two different crystals ZnAl2O4 and NaAlSiO4 present in the glass......
; In the separation system, the aqueous phase was prepared by dissolving 0.5 g ketoprofen in water- methanol(50:50, volume ratio) solution. L-tartaric esters dissolving in 1, 2-dichloroethane formed...]. Chromatographia, 1991, 32(9/10): 407-416. [17] YE Xiao-xia, YU Xiong. Enantiomeric separation of ketoprofen by HPLC using Chirobiotic VCSP and vancomycin as chiral mobile phase additives[J]. Acta......