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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/ ^2 y+ [+ H% f7 a" ]. w
蒙延双1 ,朱福良2 ,张峰2 ,冯耀华27 E n! _+ q/ |. p0 @6 n
(11 昆明理工大学材料与冶金工程学院,昆明650093 ;( d1 {& r( W' e
21 兰州理工大学材料科学与工程学院,兰州730050)' S0 s7 S% T P# M9 ^8 e( T& K
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/ ~$ Y9 e3 p0 X$ }
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; O2 E/ q; R# z* J& k$ T- _
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/ O d, C( X$ |* a! W- A
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/ g5 _+ a8 ~ h: _& Y
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 %。' W Q5 X2 b7 J: F. @
关键词:镍电解液;溶剂萃取;P204 ;除铜
$ j8 u$ i' U/ b, g! r中图分类号: TF811 文献标识码:A 文章编号:1007 - 7545 (2007) 06 - 0007 - 035 E0 N4 w0 F9 t7 t8 v1 s# F: M$ U
Copper Extracting from Nickel Electrolyte with P204
0 e' X% B7 `+ Z- E6 h5 ?8 W+ yMEN G Yan2shuang1 , ZHU Fu2liang2 , ZHAN G Feng2 , FEN G Yao2hua2
: m) H3 d& A3 N5 } s/ c% J! G9 R3 o(11 Faculty of Materails and Metallurgical Engineering , Kunming University of Science and Technology1 Kunming 650093 , China ;% t; ]# ~# ~# y1 m/ Q+ T# m/ B7 ~
21 College of Materials Science and Engineering , Lanzhou Univ1 of Tech1 , Lanzhou 730050 , China)
" G! X+ F4 {' c aAbstract :Copper was ext racted f rom nickel elect rolyte wit h P2041 The effect s of p H values of aqueous so2
5 t, X7 [6 h9 T- L& Ilution , t he p hase ratio (O/ A) , volume concent ration of P204 and time of oscillation on the copper ext rac2% d. P1 ~9 C# d G' t8 G* w
tion ratio were investigated1 The result s show t hat t he copper ext raction ratio depends on the equilibrium
% ~6 C; S" m" Kp 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
. P& ]( d* @ E! L5 A* @t he copper ext raction ratio is1 Wit h t he increasing of the volume concent ration of P204 , the dist ribution ra24 A: N4 Y( N7 X
tio of copper was increased1 The optimum conditions are determined that concent ration of P204 in t he or2
( u0 G# o5 |, {( Fganic 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 210
/ Z6 d2 \% I1 Q1 d% Y, Rand t he time of oscillation is 3 min1 Under t he optimized operating conditions copper can be ext racted effec2
" _# c( X9 ]% I6 r9 Wtively and t he copper ext raction ratio at t he fir st stage reaches 81133 %1 Meanwhile , in t he following ex2( F ^$ J2 i7 q8 y. r6 a, ?& R7 n
periment s t he st ripping ratio can reach 84197 %1
4 B* R: ^0 y* G7 K, dKeywords : Nickel elect rolyte ; Solvent ext raction ; P204 ; Copper removal |
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发表于 2009-7-20 17:41:34
