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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
. P/ r" A9 W# ^& n4 @' o) [* M蒙延双1 ,朱福良2 ,张峰2 ,冯耀华2
3 b3 a+ Z% ]6 V! ~6 z, }(11 昆明理工大学材料与冶金工程学院,昆明650093 ;
3 i5 P. v8 b. d- Z4 V U" j6 x21 兰州理工大学材料科学与工程学院,兰州730050)) \9 t. X; V Z: X! O! X
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
( G' B5 K3 J$ \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
, O- [) |0 K+ m( y% D p H+ B9 O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
4 [ P8 s( j, T( r" n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
; B6 x/ e% K0 I* ]3 ~8 {; h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 %。6 E3 F( b6 Z' n- M4 E) p6 l
关键词:镍电解液;溶剂萃取;P204 ;除铜
5 @' n% P/ c$ o1 _ c: U中图分类号: TF811 文献标识码:A 文章编号:1007 - 7545 (2007) 06 - 0007 - 03
5 O- \: p& ~, D0 sCopper Extracting from Nickel Electrolyte with P204
]! E7 T6 J0 U- {: oMEN G Yan2shuang1 , ZHU Fu2liang2 , ZHAN G Feng2 , FEN G Yao2hua26 R$ T$ b$ o( M
(11 Faculty of Materails and Metallurgical Engineering , Kunming University of Science and Technology1 Kunming 650093 , China ;
& t. z! |# a+ U; h+ P2 ^: C21 College of Materials Science and Engineering , Lanzhou Univ1 of Tech1 , Lanzhou 730050 , China)0 r/ e; M0 l6 y6 k3 ^( P/ u
Abstract :Copper was ext racted f rom nickel elect rolyte wit h P2041 The effect s of p H values of aqueous so22 P3 J7 [* [4 Z+ b
lution , t he p hase ratio (O/ A) , volume concent ration of P204 and time of oscillation on the copper ext rac20 y9 S- P5 y! P: t2 I
tion ratio were investigated1 The result s show t hat t he copper ext raction ratio depends on the equilibrium
; M1 ], h: _0 Q4 [) jp H of the aqueous p hase and increases with rise in equilibrium p H1 The bigger t he O/ A ratio is , t he better4 Y: t7 F' c. q$ }" a5 i; ?) H
t he copper ext raction ratio is1 Wit h t he increasing of the volume concent ration of P204 , the dist ribution ra2
. S; @* @6 `- Y2 ]tio of copper was increased1 The optimum conditions are determined that concent ration of P204 in t he or2
( g" }- l. y! j% A" x4 ~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 210
) n4 w' s5 v" Y8 `5 B( sand t he time of oscillation is 3 min1 Under t he optimized operating conditions copper can be ext racted effec29 s% \ d) t/ h+ s9 t. K& X
tively and t he copper ext raction ratio at t he fir st stage reaches 81133 %1 Meanwhile , in t he following ex2
& J- c5 [( `1 ^) yperiment s t he st ripping ratio can reach 84197 %1
/ i4 F4 m+ p& ?- q4 P: IKeywords : Nickel elect rolyte ; Solvent ext raction ; P204 ; Copper removal |
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发表于 2009-7-20 17:41:34
