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发表于 2009-7-21 15:33:31
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来自： 中国河南郑州
有色金属(冶炼部分) 2007 年6 期; a5 v1 Q* j2 K3 m. V; \ Q
蒙延双1 ,朱福良2 ,张峰2 ,冯耀华2$ f/ O( A8 J. x
(11 昆明理工大学材料与冶金工程学院,昆明650093 ;, g8 v- e* J( u8 ?; q5 y
21 兰州理工大学材料科学与工程学院,兰州730050)0 y9 Y- l3 o. L
摘要:以P204 为萃取剂,从镍电解液中萃取除铜。研究了p H、相比(O/ A) 、P204 体积浓度和振荡时间' e3 V4 l ` g/ J3 H# J, M# w
对萃取效果的影响,确定了P204 萃取铜的最佳条件。结果表明:随着p H 的升高,铜的萃取率增大;相
r; p) ?) k. a比(O/ A) 越大萃取分离效果越好;随着P204 体积浓度的升高,铜萃取率也相应的升高。室温下P204 萃# X/ I- K4 q) X+ }. U/ _) T
取铜的最佳工艺条件: P204 的体积浓度15 % ,相比(O/ A) 1 ∶2 ,水相初始p H210 ,振荡时间3 min。在此5 M0 |0 }/ Y$ w1 \. o
最佳条件下,待处理液的一级萃取率达81133 %。反萃实验中反萃率可达84197 %。
4 V* J. I2 V+ N关键词:镍电解液;溶剂萃取;P204 ;除铜
) i1 x, C* C2 \+ T* ^, C中图分类号: TF811 文献标识码:A 文章编号:1007 - 7545 (2007) 06 - 0007 - 03' h9 Q9 @1 o1 Q6 A9 G
Copper Extracting from Nickel Electrolyte with P204
8 ~2 ?& t) X/ p' g2 E" oMEN G Yan2shuang1 , ZHU Fu2liang2 , ZHAN G Feng2 , FEN G Yao2hua2
' G/ p0 [ q e$ c# x(11 Faculty of Materails and Metallurgical Engineering , Kunming University of Science and Technology1 Kunming 650093 , China ;
; ?; }4 K4 Q7 l4 m21 College of Materials Science and Engineering , Lanzhou Univ1 of Tech1 , Lanzhou 730050 , China)* B/ o& {7 H2 F' N
Abstract :Copper was ext racted f rom nickel elect rolyte wit h P2041 The effect s of p H values of aqueous so21 F8 L' |' _# K1 d' g, s
lution , t he p hase ratio (O/ A) , volume concent ration of P204 and time of oscillation on the copper ext rac2, q: O; s1 c' n/ `, p( o
tion ratio were investigated1 The result s show t hat t he copper ext raction ratio depends on the equilibrium
5 g& N2 B v4 v2 X) @: ?: ^p H of the aqueous p hase and increases with rise in equilibrium p H1 The bigger t he O/ A ratio is , t he better u, K. T/ P3 p) F3 g: j I
t he copper ext raction ratio is1 Wit h t he increasing of the volume concent ration of P204 , the dist ribution ra2
1 K) f \; y$ w) m; o: [1 Ltio of copper was increased1 The optimum conditions are determined that concent ration of P204 in t he or2
% I( t. j" w2 } ]9 i* |ganic p hase is 15 % (Volume f raction) , t he p hase ratio (O/ A) is 1 ∶2 , p H of t he aqueous solution is 2106 z; [ ^, g: S, r) H, P
and t he time of oscillation is 3 min1 Under t he optimized operating conditions copper can be ext racted effec2" R6 f. j1 S8 A, ~
tively and t he copper ext raction ratio at t he fir st stage reaches 81133 %1 Meanwhile , in t he following ex2$ `8 F$ X* c5 V s: \! l
periment s t he st ripping ratio can reach 84197 %1- S! c' {9 E7 p# R: z# R
Keywords : Nickel elect rolyte ; Solvent ext raction ; P204 ; Copper removal |
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发表于 2009-7-20 17:41:34
