INNOVATIVE HYDROMETALLURGICAL PROCESSES FOR THE PRIMARY PROCESSING OF ZINC

REFERENCES

• Adams , R. W. and Matthew , I. G. 1981 . “ Leaching of metal sulphide concentrates at atmospheric pressure using SO2/O2 mixtures ” . In Proc. Australasian Institute of Mining and Metallurgy Vol. 280 , 41 – 53 .
   Google Scholar
• Allen , C. , Kondos , P. , Payant , S. , Van Weert , G. and Van Sandwijk , A. 2001 . Production of zinc oxide from complex sulfide concentrates using chloride processing , Canada : Assigned to Noranda Inc. .
   Google Scholar
• Allen , C. , Kondos , P. , Payant , S. , Van Weert , G. and Van Sandwijk , A. 2002 . Production of zinc oxide from complex sulfide concentrates using chloride processing Canada Assigned to Noranda Inc.
   Google Scholar
• Amer , S. , Figueiredo , J. M. and Luis , A. 1995 . The recovery of zinc from leach liquors of the CENIM-LNETI process by solvent extraction with di(-2-ethylhexyl)phosphoric acid . Hydrometallurgy , 37 : 323 – 337 .
   Web of Science ®Google Scholar
• Amer , S. , Luis , A. , de la Cuarda , A. and Caravaca , C. 1994 . The use of bis(-2-ethylhexyl) phosphoric acid for the extraction of zinc from concentrated ammonium chloride solutions . Revista de Metalurgia , 30 ( 1 ) : 27 – 37 .
   Google Scholar
• Amer , S. and Luis , A. 1995 . The extraction of zinc and other minor metals from concentrated ammonium chloride solutions with D2EHPA and Cyanex 272 . Revista de Metalurgia , 31 ( 6 ) : 351 – 360 .
   Web of Science ®Google Scholar
• Au-Yeung , S. C. F. and Bolton , G. L. 1986 . “ Iron control in the processes developed at Sherritt Gordon Mines ” . In Iron Control in Hydrometallurgy , Edited by: Dutrizac , J. E. and Monhemius , A. J. 131 – 151 . Chichester, , UK : Ellis Horwood .
   Google Scholar
• Barth , T. R. , Hair , A. T. C. and Meier , T. P. 1998 . “ The operation of the HBM&S zinc pressure leach plant ” . In Zinc and Lead Processing , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Bolton , G. L. and Hancock , P. 811 – 823 . Montreal : The Canadian Institute of Mining, Metallurgy and Petroleum .
   Google Scholar
• Berezowsky , R. M. G. S. , Collins , M. J. , Kerfoot , D. G. E. and Torres , N. 1991 . The commercial status of pressure leaching technology . JOM , 43 ( 2 ) : 9 – 16 .
   Web of Science ®Google Scholar
• Bodson , F. J. J. 1976 . Process for the treatment of material containing zinc and silica for recovering of zinc by hydrometallurgic way May 4
   Google Scholar
• Borg , G. , Kärner , K. , Buxton , M. , Armstrong , R. and van der Merwe , S. W. 2003 . Geology of the Skorpion supergene zinc deposit, Southern Namibia . Econ. Geol. , 98 : 749 – 771 .
   Web of Science ®Google Scholar
• Buban , K. R. , Collins , M. J. , Masters , I. M. and Trytten , L. C. 2000 . “ Comparison of direct pressure leaching with atmospheric leaching of zinc concentrates ” . In Lead-Zinc 2000 , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Henke , D. M. , James , S. E. and Siegmund , A. H.-J. 727 – 738 . Warrendale, PA : The Minerals, Metals and Materials Society .
   Google Scholar
• Buckett , G. A. , Fountain , C. R. and Sinclair , R. J. 1998 . Refining zinc sulphide concentrates Australia Assigned to Buka Technologies Pty, Ltd.
   Google Scholar
• Buckett , G. A. and Sinclair , R. J. 1998 . “ The BUKA zinc process: A 21st century standard ” . In Zinc and Lead Processing , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Bolton , G. L. and Hancock , P. 579 – 596 . Montreal : The Canadian Institute of Mining, Metallurgy and Petroleum .
   Google Scholar
• Carranza , F. , Garcia , M. J. , Palencia , I. and Pereda , J. 1990 . Selective bioleaching of a copper-zinc sulphide concentrate . Hydrometallurgy , 24 : 67 – 76 .
   Google Scholar
• Carranza , F. and Iglesias , N. 1998 . Application of the IBES process to a Zn sulphide concentrate: Effect of the Cu2+ ion . Minerals Eng. , 11 : 385 – 390 .
   Google Scholar
• Carranza , F. , Palencia , I. and Romero , R. 1996 . Silver-catalyzed IBES process: Application to a Spanish copper-zinc sulphide concentrate . Hydrometallurgy , 44 : 29 – 42 .
   Google Scholar
• Carranza , F. , Palencia , I. , Romero , R. and Iglesias , N. 1997 . “ Application fields of the BRISA process: Influence of the ore mineralogy on the process flowsheet ” . In Proc. Int. Biohydrometallurgy Symp. IBS97-BIOMINE97 “Biotechnology Comes of Age” , M2.1.1 – M2.1.10 . Glenside, , Australia : Australian Mineral Foundation .
   Google Scholar
• Carranza , F. , Romero , R. , Iglesias , N. and Palencia , I. 1999 . “ Process options in the treatment of a mixed atacamite, secondary copper sulphides mineral: Heap leaching and BRISA process ” . In Biohydrometallurgy and the Environment Toward the Mining of the 21st Century , Edited by: Amils , R. and Ballester , A. 511 – 520 . Amsterdam, , The Netherlands : Elsevier Science .
   Google Scholar
• Choi , Y. , Payant , S. , Kim , J. , Giove , A.-M. , Rao , R. and Finch , J. A. 2002 . Production of zinc oxide from acid soluble ore using precipitation method Canada Assigned to Noranda Inc.
   Google Scholar
• Choi , Y. , Payant , S. , Kim , J. , Giove , A.-M. , Rao , R. and Finch , J. A. 2002 . Production of zinc oxide from acid soluble ore using precipitation method Feb. 13.
   Google Scholar
• Cole , P. M. and Sole , K. C. 2002 . Solvent Extraction in the primary and secondary processing of zinc . J. South African Inst. Mining Metallurgy , 102 ( 8 ) : 451 – 456 .
   Web of Science ®Google Scholar
• Collins , M. J. , McConaghy , E. J. , Stauffer , R. F. , Desroches , G. J. and Krysa , B. D. 1994 . Starting up the Sherritt Zinc Pressure Leach process at Hudson Bay . JOM , 46 ( 4 ) : 51 – 58 .
   Web of Science ®Google Scholar
• Crundwell , F. K. 1987a . Kinetics and mechanism of the oxidative dissolution of zinc sulfide concentrate in ferric sulfate solutions . Hydrometallurgy , 19 : 227 – 242 .
   Web of Science ®Google Scholar
• Crundwell , F. K. 1987b . Refractory behaviour of two sphalerite concentrates to dissolution in ferric sulphate solution . Hydrometallurgy , 19 : 227 – 242 .
   Web of Science ®Google Scholar
• Díaz , G. , Martín , D. and Lombera , C. 1995 . “ Zinc recycling through the modified ZINCEX process ” . In Third Symposium on Recycling of Metals and Engineered Materials , Edited by: Queneau , P. B. and Peterson , R. D. 623 – 635 . Warrendale, , PA : The Minerals, Metals and Materials Society .
   Google Scholar
• Dutrizac , J. E. and MacDonald , R. J. C. 1974 . Ferric ion as a leaching medium . Minerals Sci. Eng. , 6 ( 2 ) : 59 – 100 .
   Google Scholar
• Duyvesteyn , W. P. C. Recovery of base materials from geothermal brines (Assigned to BHP Minerals International Inc., CA.)
   Google Scholar
• Fernández del Río , I. S. 2000 . “ Recovery of zinc and cadmium from lead smelter furnace dusts at Met-Mex Peñoles by a solvent extraction process ” . In Lead-Zinc 2000 , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Henke , D. M. , James , S. E. and Siegmund , A. H.-J. 677 – 686 . Warrendale, PA : The Minerals, Metals and Materials Society .
   Google Scholar
• Ferron , C. J. 2000 . “ Atmospheric leaching of zinc sulphide concentrates using regenerated ferric sulphate solutions ” . In Lead-Zinc 2000 , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Henke , D. M. , James , S. E. and Siegmund , A. H.-J. 711 – 726 . Warrendale, PA : The Minerals, Metals and Materials Society .
   Google Scholar
• Figueiredo , M. , Novais , A. Q. , Limpo-Gil , J. and Amer , S. “ The CENIM–LNETI process for zinc recovery from complex sulphides ” . In Zinc '93 , 333 – 339 . Hobart, , Australia : The Australasian Institute of Mining and Metallurgy .
   Google Scholar
• Fugleberg , S. 1996 . Method for leaching material containing zinc oxide and zinc silicate (Assigned to Outokumpu Engineering Contracters Oy, Finland.)
   Google Scholar
• Fugleberg , S. 1999 . Finnish Expert Report on Best Available Techniques in Zinc Production The Finnish Environment Report 315 , 47 Ministry of the Environment, Finnish Environment Institute .
   Google Scholar
• Fugleberg , S. P. and Järvinen , A. E. 1992 . Hydrometallurgic method for processing raw materials containing zinc sulphide (Assigned to Outokumpu Oy, Finland.)
   Google Scholar
• Fugleberg , S. P. and Järvinen , A. E. 1994 . Hydrometallurgic method for processing raw materials containing zinc sulphide (Assigned to Outokumpu Oy, Finland.)
   Google Scholar
• Fugleberg , S. and Järvinen , A. 1998 . Method for leaching zinc concentrate in atmospheric conditions (Assigned to Outokumpu Base Metals Oy, Finland.)
   Google Scholar
• Fugleberg , S. and Järvinen , A. 2002 . Method for leaching zinc concentrate in atmospheric conditions (Assigned to Outokumpu Oyj, Finland.)
   Google Scholar
• García , M. A. , Mejías , A. , Martin , D. and Diaz , G. 2000 . “ Upcoming zinc mine projects: The key for success is ZINCEX solvent extraction ” . In Lead–Zinc 2000 , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Henke , D. M. , James , S. E. and Siegmund , A. H.-J. 751 – 761 . Warrendale, PA : The Minerals, Metals and Materials Society .
   Google Scholar
• Gomez , C. , Limpo , J. L. , de Luis , A. , Blasquez , M. L. , Gonzalez , F. and Ballester , A. 1997 . Hydrometallurgy of bulk concentrates of Spanish complex sulphides: Chemical and bacterial leaching . Canadian Metallurgical Quart. , 36 : 15 – 23 .
   Web of Science ®Google Scholar
• Harlamovs , J. R. , Ashman , D. W. , Gonzalez-Dominguez , J. A. , Lizama , H. M. , Makwana , D. and Strandling , A. W. 2003 . Heap bioleching process for the extraction of zinc (Applied for by Teck Cominco Metals Ltd., Canada.)
   Google Scholar
• Hearne , T. M. , Haegele , R. and Beck , R. D. 1998 . “ Hydrometallurgical recovery of zinc from sulphide ores and concentrates ” . In Zinc and Lead Processing , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Bolton , G. L. and Hancock , P. 765 – 780 . Montreal : The Canadian Institute of Mining, Metallurgy and Petroleum .
   Google Scholar
• Houlachi , G. , Condy , A. and Stanley , R. W. 1995 . “ Review of zinc recycling ” . In Zinc & Lead '95 , Edited by: Azakami , T. , Masuko , N. , Dutrizac , J. E. and Ozberg , E. 417 – 431 . Sendai, , Japan : The Mining and Materials Processing Institute of Japan .
   Google Scholar
• Hourn , M. M. , Turner , D. W. and Holzberger , I. R. 1996 . Atmospheric mineral leaching process (Assigned to MIM Holdings Ltd., Autstralia.)
   Google Scholar
• Hourn , M. M. , Turner , D. W. and Holzberger , I. R. 1996 . Atmospheric mineral leaching process (Assigned to MIM Holdings Ltd., Autstralia.)
   Google Scholar
• Ismael , M. R. C. and Carvalho , J. M. R. 2003 . Iron recovery from sulphate leach liquors in zinc hydrometallurgy . Minerals Engineering , 16 : 31 – 39 .
   Web of Science ®Google Scholar
• Jones , D. L. 2002 . Process for the recovery of zinc from a zinc sulphide ore or concentrate (Assigned to Cominco Engineering Services, Ltd., Canada.)
   Google Scholar
• Kammel , R. , Pawlek , F. , Simon , M. and Xi-Ming , L. 1987 . Oxidizing leaching of sphalerite under atmospheric pressure . Metall , 41 : 158 – 161 .
   Google Scholar
• Kanno , M. , Watanabe , Y. , Saruta , K. and Narumi , A. 2002 . Method and apparatus for leaching zinc concentrates (Filed by Dowa Mining Co., Ltd., Japan.)
   Google Scholar
• Khalil , A. , Benslimane , K. , Benzakour , I. and Akalay , I. 1998 . “ Production of zinc oxide from zinc sulphide concentrates by a hydrometallurgical process ” . In Zinc and Lead Processing , Edited by: Dutrizac , J. E. , Gonzalez , J. A. , Bolton , G. L. and Hancock , P. 723 – 731 . Montreal : The Canadian Institute of Mining, Metallurgy and Petroleum .
   Google Scholar
• Li , J. and Jiang , S. 1996 . Hydrometallurgical treatment of high-iron zinc ore . Guizhou Gongxueyuan Xuebao (Journal of the Guizhou Institute of Technology) , 25 (1) : 48 – 52 . (In Chinese with an English abstract.)
   Google Scholar
• Limpo Gil , J. L. , Figueiredo , J. M. , Amer Amézaga , S. and Martín , L. A. 1990 . Procedimiento para la recuperación de cinc, cobre y plomo de minerales y materiales oxidados y/o sulfurados Spain, and LNETI, , Portugal Spanish patent ES 2014174, June 16. (Assigned to CENIM
   Google Scholar
• Limpo , J. L. , Figueiredo , J. M. , Amer , S. and Luis , A. 1992a . The CENIM–LNETI process: A new process for the hydrometallurgical treatment of complex sulphides in ammonium chloride solutions . Hydrometallurgy , 28 : 149 – 161 .
   Web of Science ®Google Scholar
• Limpo , J. L. , Luis , A. and Gomez , C. 1992b . Reactions during the oxygen leaching of metallic sulphides in the CENIM–LNETI process . Hydrometallurgy , 28 : 163 – 178 .
   Web of Science ®Google Scholar
• Lizama , H. M. , Harlamovs , J. R. , Bélanger , S. and Brienne , S. H. R. 2003 . “ The Teck Cominco HydroZinc Process ” . In Hydrometallurgy 2003 , Edited by: Young , C. A. , Alfantazi , A. M. , Anderson , C. G. , Dreisinger , D. B. , Harris , B. and James , A. 1503 – 1516 . Warrendale, , PA : The Minerals, Metals and Materials Society .
   Google Scholar
• Madhuchhanda , M. , Devi , N. B. , Srinivasa Rao , K. , Rath , P. C. and Paramguru , R. K. 2000a . Galvanic interaction between sulfide minerals and pyrolusite . J. Solid State Electrochemist. , 4 (4) : 189 – 198 .
   Web of Science ®Google Scholar
• Madhuchhanda , M. , Devi , N. B. , Srinivasa Rao , K. , Rath , P. C. and Paramguru , R. K. 2000b . Oxidation of sphalerite in hydrochloric acid medium in the presence of manganese dioxide . Trans. Ins. Mining Metallurgy–Section C , 109 : C150 – C155 .
   Google Scholar
• Martín , D. , Diáz , G. , García , M. A. and Sánchez , F. 2002 . Extending zinc production possibilities through solvent extraction . J. South African Inst. Mining Metallurgy , 102 (8) : 463 – 467 .
   Google Scholar
• Martin San Lorenzo , D. , Nogueira Diaz , G. and Garcia Leon , M. A. 2001 . Proceso para la producción electrolítica de zinc o de compuestos de zinc de alta pureza a partir de materias primas primarias y secundarias de zinc PCT World Patent WO 01/44520 A1, June 21. (Assigned to Técnicas Reunidas SA, Spain. In Spanish with an English abstract.)
   Google Scholar
• Martin San Lorenzo , D. , Nogueira Diaz , G. and Garcia Leon , M. A. 2002 . Proceso para la producción electrolítica de zinc o de compuestos de zinc de alta pureza a partir de materias primas primarias y secundarias de zinc PCT World Patent WO 02/066708, Aug. 29. (Assigned to Técnicas Reunidas SA, Spain. In Spanish with an English abstract.)
   Google Scholar
• Mazuelos , A. , Romero , R. , Palencia , I. , Iglesias , N. and Carranza , R. 1999 . Continuous ferrous oxidation in flooded packed bed reactors . Minerals Eng. , 12 : 559 – 564 .
   Google Scholar
• Molleman , E. , van Sandwijk , T. and Van Weert , G. 1998 . Acid dissolution of iron-bearing zinc concentrates—A first step towards residue-free zinc refining . Minerals Metallurgical Process , 15 (3) : 38 – 42 .
   Web of Science ®Google Scholar
• Monhemius , A. J. 1980 . “ The electrolytic production of zinc ” . In Topics in Non-ferrous Extractive Metallurgy , Edited by: Burkin , A. R. 104 – 130 . Oxford, , UK : Blackwell Scientific .
   Google Scholar
• Nilsson , L. , Petersson , S. and Sandström , Å. 1994 . Iron and arsenic removal from bacterial leaching effluents by precipitation with limestone . Scand. J. Metallurgy , 23 : 184 – 189 .
   Google Scholar
• Nilsson , L. , Petersson , S. and Sandström , Å. 1996 . A new process for zinc recovery from bacterial leach solutions . Scand. J. Metallurgy , 25 : 161 – 171 .
   Google Scholar
• Nogueira , E. D. , Regife , J. M. and Arcocha , A. 1979 . Winning zinc through solvent extraction and electrowinning: Eng . Mining J. , 180 (10) : 92 – 94 .
   Web of Science ®Google Scholar
• Nogueira , E. D. , Regife , J. M. and Viegas , M. P. 1982 . “ Design features and operating experience of the Quimigal ZINCEX plant ” . In Chloride Electrometallurgy , Edited by: Parker , P. D. 59 – 76 . Warrendale, , PA : The Metallurgical Society of AIME .
   Google Scholar
• O'Brien , R. N. 1996 . Hydrometallurgical recovery of copper and zinc from complex sulfide ores: US Patent 5,484,579 Sept. 19, 1996. (Assigned to R & O Mining Processing Ltd., Canada.)
   Google Scholar
• O'Brien , R. N. and Peters , E. 1998 . Preferential hydrometallurgical conversion of zinc sulfide to sulfate from zinc sulfide containing ores and concentrates US Patent 5,711,922, Jan. 27
   Google Scholar
• O'Keefe T. J. 1993 Method for stripping metals in solvent extraction : US Patent 5,228,903 , July 20. (Assigned to the Curators of the University of Missouri, Columbia .)
   Google Scholar
• Ozberk , E. , Chalkley , M. E. , Collins , M. J. and Masters , I. M. 1995 . Commercial applications of the Sherritt Zinc Pressure Leach process and iron disposal . Mineral Process Extractive Metallurgy Rev. , 15 : 115 – 133 .
   Google Scholar
• Palencia I. , Carranza F. , and Garcia M. J. 1989 Procedimiento de biolixiviatión selectiva del cinc de un concentrado semiglobal cobre-zinc : Spanish patent ES 2 009 104 , Aug. 16. (Assigned to Rio Tinto Minera SA, Spain, and the Universidad de Sevilla, Spain .)
   Google Scholar
• Palencia , I. , Carranza , F. and Garcia , M. J. 1990 . Leaching of a copper–zinc bulh sulphide concentrate using an aqueous ferric sulphate dilute solution in a semicontinuous system: Kinetics of dissolution of zinc: . Hydrometallurgy , 23 : 191 – 202 .
   Google Scholar
• Palencia , I. , Romero , R. and Carranza , F. 1998 . Silver-catalyzed IBES process: Application to a Spanish copper–zinc sulphide concentrate. Part 2. Biooxidation of the ferrous iron and catalyst recovery . Hydrometallurgy , 48 : 101 – 112 .
   Google Scholar
• Palenzia Perez , I. and Dutrizac , J. E. 1991 . The effect of iron content of sphalerite on its rate of dissolution in ferric sulphate and ferric chloride media . Hydrometallurgy , 26 : 211 – 232 .
   Google Scholar
• Pande , A. M. , Gupta , K. N. and Altekar , V. A. 1982 . Single cell extraction of zinc and manganese dioxide from zinc sulphide concentrate and manganese ore . Hydrometallurgy , 9 : 57 – 68 .
   Web of Science ®Google Scholar
• Reynolds , N. A. , Chisnall , T. W. , Kaewsang , K. , Keesaneyabutr , C. and Taksavasu , T. 2003 . The Padaeng supergene nonsulfide zinc deposit, Mae Sod, Thailand . Econ. Geol. , 98 : 773 – 785 .
   Google Scholar
• Romero , R. , Palencia , I. and Carranza , F. 1998 . Application of the IBES process to a Zn sulphide concentrate. Part 3. Selection of operational parameters for a continuous pilot plant . Hydrometallurgy , 49 : 75 – 86 .
   Google Scholar
• Sandström , Å and Petersson , S. 1997 . Bioleaching of a complex sulphide ore with moderate thermophilic and extreme thermophilic microorganisms . Hydrometallurgy , 46 : 181 – 190 .
   Google Scholar
• Sandström , Å , Sundkvist , J.-E. and Petersson , S. 1997 . “ Bio-oxidation of a complex zinc sulphide ore: A study performed in continuous bench- and pilot scale ” . In Proc. Int. Biohydrometallurgy Symp. IBS97–BIOMINE97 Biotechnology Comes of Age , M1.1.1 – M1.1.11 . Glenside, , Australia : Australian Mineral Foundation .
   Google Scholar
• Saruta K. , Ishimori N. , and Masuda H. 2002 Method of leaching zinc concentrate : US Patent 6,475,450 , Nov. 5. (Assigned to Dowa Mining Co., Ltd., Japan .)
   Google Scholar
• Smith , W. M. , Brooks , P. J. and May , R. A. 1997 . Engineering design for a ferric chloride leaching plant to leach complex base metal sulphides: . CIM Bull. , 90 (1009) : 57 – 63 .
   Google Scholar
• Sole , K. C. and Cole , P. M. 2001 . “ Purification of nickel by solvent extraction ” . In Ion Exchange and Solvent Extraction , Edited by: Marcus , Y. and SenGupta , A. K. 143 – 195 . Newyork : Marcel Dekker .
   Google Scholar
• Steemson M. L. , Sheehan G. J. , Winborne D. A. , and Wong F. S. 1994 An integrated bioleach/solvent extraction process for zinc metal production from zinc concentrates : PCT World Patent WO 94/28184 , May 24 .
   Google Scholar
• Steemson , M. L. , Wong , F. S. and Goebel , B. 1997 . “ The integration of zinc bioleaching with solvent extraction for the production of zinc metal from zinc concentrates ” . In Proc. Int. Biohydrometallurgy Symp. IBS97–BIOMINE97 “Biotechnology Comes of Age , M1.4.1 – M1.4.10 . Glenside, , Australia : Australian Mineral Foundation .
   Google Scholar
• Takala , H. 1998 . “ Leaching zinc concentrates at Outokumpu Kokkola plant ” . In Schriftenreihe der GDMB, Heft 82, Fortschritte in der Hydrometallurgie , Edited by: Pfennig , M. and Liese , F. 129 – 138 . Clausthal-Zellerfeld, , Germany : Gesellschaft für Bergbau, Metallurgie, Rohstoff- und Umwelttechnik (GDMB) .
   Google Scholar
• Takala , H. 1999 . Leaching zinc concentrates at Outokumpu Kokkola plant: . Erzmetall , 52 : 37 – 42 .
   Google Scholar
• Thorsen , G. 1983 . “ Commercial processes for cadmium and zinc ” . In Handbook of Solvent Extraction , Edited by: Lo , T. C. , Baird , M. H. I. and Hanson , C. 709 – 716. . New York : John Wiley amp; Sons .
   Google Scholar
• Van Put J. W. , Terwinghe F. M. I. G. , and De Nys T. S. A. 1995 Procédé d'extraction de zinc de concentrés sulfures : PCT World Patent WO95/06140 , March 2. (Assigned to Union Minière SA, Belgium. In French .)
   Google Scholar
• Van Put J. W. , Terwinghe F. M. I. G. , and De Nys T. S. A. 1996 Procédé d'extraction de zinc de concentrés sulfures : European Patent EP 0 719 347 B1 , July 3: (Assigned to Union Minière SA, Belgium. In French .)
   Google Scholar
• Van Put J. W. , Terwinghe F. M. I. G. , and De Nys T. S. A. 1999 Process for the extraction of zinc from sulphide concentrates . US Patent 5,858,315 , Jan. 12. (Assigned to NV Union Minie` re SA, Belgium .)
   Google Scholar
• Van Weert , G. and van Sandwijk , T. 1999 . Routes to residue-free zinc refining . JOM , 51 (12) : 26 – 28 .
   Web of Science ®Google Scholar
• Verbaan , B. and Crundwell , F. K. 1986 . An electrochemical model for the leaching of sphalerite concentrate . Hydrometallurgy , 16 : 345 – 359 .
   Web of Science ®Google Scholar
• Weimer , F. S. , Wever , G. T. and Lapee , R. J. 1970 . “ Metallurgical extraction: Electrolytic Zinc processes ” . In Zinc: The Science and Technology of the Metal, Its Alloys and Compounds , Edited by: Mathewson , C. H. 174 – 225 . New York : American Chemical Society .
   Google Scholar
• Zhao , Y. and Stanforth , R. 2000 . Production of Zn powder by alkaline treatment of smithsonite Zn-Pb ores: . Hydrometallurgy , 56 : 237 – 249 .
   Web of Science ®Google Scholar