Table Of Content

hydrometallurgy BAT 7 ELSEVIER Hydrometallurgy 46 (1997) 397-398 Contents Volume 46, 1997 Research Papers Precipitation-stripping of yttrium oxalate powders from yttrium-loaded HDEHP organic solutions using an ultrasonic stirrer E. Combes, C. Sella, D. Bauer and J.L. Sabot Dissolution kinetics of phosphate rock with Cl, gas in water Y. Abali, S. Colak and A. Yartag1 The optimisation of the dissolution of phosphate rock with Cl,—SO, gas mixtures in aqueous medium Y. Abali, S. Colak and S. Yapic1 A pyridine-based chelating solvent extraction system for selective extraction of nickel and cobalt T. Zhou and B. Pesic A kinetic study of the cementation of gold from cyanide solutions onto copper H.H. Nguyen, T. Tran and P.L.M. Wong Leaching of pyrite with hydrogen peroxide in sulphuric acid M.M. Antonijevi¢é, M. Dimitrijevi¢ and Z. Jankovié The precipitation of hematite from ferric chloride media P.A. Riveros and J.E. Dutrizac A statistical response surface study of the tellurium electrowinning process B. Handle, G. Broderick and P. Paschen A chemically bonded adsorbent for separation of antimony, copper and lead Fee: CE OE COU s ob MR ee ee ee eee hee ee wee st A study of the formation of acid and neutral yttrium oxalate powders from precipitation—stripping reaction in a Lewis-type cell E. Combes, C. Sella, D. Bauer and J.L. Sabot The electrodeposition of manganese from aqueous solutions of MnSQO,. IV: Electrowinning by galvanostatic electrolysis P. Ilea, 1.-C. Popescu, M. Urda and L. Oniciu Electro-oxidation of pyrite in sodium chloride solutions F. Arslan and P.F. Duby Retention of aurocyanide and thiourea—gold complexes on activated carbons obtained from lignocellu- losic materials R. Arriagada and R. Garcia Bioleaching of a complex sulphide ore with moderate thermophilic and extreme thermophilic microor- ganisms A. Sandstrém and S. Petersson Soda ash leaching of scheelite concentrates: the effect of high concentration of sodium carbonate J.P. Martins and F. Martins Gold extraction equilibrium in the system Cyanex 921—HCl—Au(IID S. Martinez, A. Sastre and F.J. Alguacil Removal of iron from silica sand by leaching with oxalic acid M. Taxiarchou, D. Panias, I. Douni, I. Paspaliaris and A. Kontopoulos 398 Contents Volume 46, 1997 Technical Notes Selective separation of tin from a chloride leach solution a ee eee es ee, ee eS ae a ee ee ee Extraction of arsenic from sulphuric acid solutions by Cyanex 923 ee ee eee ee eee) ees eae ee ee 235 Solubility of PbCl, in DMSO and DMSO-water solutions ci. WONG ST CEOS Goain'e bs bo oles S40 ee O5e S64 oe oo MURS 640 2 6 0 243 ees FN 5 se Bile tea a 8 8 te Os 4h KW Cot he we dee Didie is CA 249 Research Papers On the solution chemistry of cyanidation of gold and silver bearing sulphide ores. A critical evaluation of thermodynamic calculations Re ee, ea ee GN De... 5 Fe ake ie 6 8 cee ie 0 0 whd e 00 ee AER Bie 8 251 Application of statistical design of experiments in the study of dissolution of Goethite (a@-FeQOH) in hydrochloric acid in the presence of ascorbic acid Ses, WL a OO OND Os ls ot een a 0 0 se oa es bw ee ole os be ob bb ew be 88 271 Mechanisms of floating slime formation and its removal with the help of sulphur dioxide during the electrorefining of anode copper Oe | Perea re re ee ee ee ee oy ed ee ee ee ee 277 Electrodialysis of solutions obtained by elution of cyanide complexes from anionic exchange resin by means of acidic thiourea D.-8. Aksoteme, A. Giperpem aml 0E. GROWN 6c ne ce hee eee ewes wre neers Surface characterization of arsenopyrite in acidic medium by triangular scan voltammetry on carbon paste electrodes R. Cruz, I. Lazaro, J.M. Rodriguez, M. Monroy and I. Gonzalez... .........2.222005 303 The current density distribution on stationary wire electrodes during copper and lead electrodeposition K.I. Popov, M.G. Pavlovié, E.R. Stojilkovié and Z.Z. Stevanovié . 2...ee The anodic oxidation of Cr(IID to Cr(VD in a laboratory-scale chromium electrowinning cell ns Pe I rs a 6 a Bien 8 oc cm 4.o 0 6 000 6.0L e 0.B ebe 0 ee 2 ee etal oe Kinetics of backward extraction of Mn(II) from Mn—D2EHP complex in kerosene to hydrochloric acid medium using single drop technique es a ee SU ENTS EE 25 on oe 0 9 6 0.0.6 6 oe he Oe & Ole bee ees 0% Extraction of gold from thiosulfate solutions with alkyl phosphorus esters 5. Ge es LEE feb bk ns bk) 6 ae S00 0 4 6 4B be eee Oe 2 ek 6 ek ee He 8 0 Technical Note Extraction of rhodium from other platinum group metals with Kelex 100 from chloride media containing tin fk SS i Ee ee eee ee ee ee ee ee NES ee ee ee ee ee a Le eee ee eo ee en rrr