Part XX Zinc Leaching and Fe-Control II
A New Route for Treating Neutral Leaching Residue . . . . . . . . . . . . . . 827
Caio César Spindola de Oliveira, Daniel Dayrell Pereira,
Felipe Ramos Pereira Mendes and Mateus Felipe Louredo Araujo
Study of a Novel Chloride Volatilization Process for the Treatment
of Jarosite Residue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 835
H. B. Wang, C. Z. Zheng and S. C. Qin
Magnetic Separation of Iron Ion from Leaching Solution by Magnetic
Seeding in Hydrometallurgy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 847
Tong Yue, Haisheng Han, Wei Sun, Yuehua Hu, Zhiyong Gao,
Runqing Liu, Li Wang, Lei Sun and Honghu Tang
Experimental Study on Pressure Leaching of Zinc Sulfide Concentrate
and Discussion on the Latest Relevant Progress . . . . . . . . . . . . . . . . . . . 853
Haibei Wang, Shuchen Qin, Kaixi Jiang and Bangsheng Zhang
Recent Operational Improvements of Hematite Plant at Akita
Zinc Co., Ltd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 865
Dai Matsuura, Yasuo Usami and Kenji Ichiya
The Analysis of Fe Behavior in Zinc Pressure Leaching . . . . . . . . . . . . 877
Longyi Chen
Part XXI Zinc Hydrometallurgy
Development of the New Zinc-Separation Process for the Blast
Furnace Dust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 885
Mariko Shinoda, Toyoshi Yamaguchi, Ryota Murai, Goro Okuyama
and Ikuhiro Sumi
Outotec Gypsum Removal Circuit and Outotec Cooling Tower
Performance in Neutral Solution Cooling . . . . . . . . . . . . . . . . . . . . . . . . 891
Tuomas Hirsi and Björn Saxen
Purification and Comprehensive Recovery Metal Values from Zinc
Hydrometallurgical Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 899
Yue Yang, Shaole Song, Honghu Tang, Li Wang, Wei Sun and Yuehua Hu
Refining of Zinc Chloride by the Combination of Cementation
Reaction and Vacuum Distillation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 905
Gen Kamimura and Hiroyuki Matsuura
Advanced Concept “Poly Metallurgical Refinery” Developed
by Cobre Las Cruces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 913
Carlos Frias, Joaquin Gotor, Francisco Sanchez, Jorge Blanco,
Natalia Moreno and Edward Vera
xiv
Contents
A New Route for Treating Neutral Leaching Residue . . . . . . . . . . . . . . 827
Caio César Spindola de Oliveira, Daniel Dayrell Pereira,
Felipe Ramos Pereira Mendes and Mateus Felipe Louredo Araujo
Study of a Novel Chloride Volatilization Process for the Treatment
of Jarosite Residue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 835
H. B. Wang, C. Z. Zheng and S. C. Qin
Magnetic Separation of Iron Ion from Leaching Solution by Magnetic
Seeding in Hydrometallurgy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 847
Tong Yue, Haisheng Han, Wei Sun, Yuehua Hu, Zhiyong Gao,
Runqing Liu, Li Wang, Lei Sun and Honghu Tang
Experimental Study on Pressure Leaching of Zinc Sulfide Concentrate
and Discussion on the Latest Relevant Progress . . . . . . . . . . . . . . . . . . . 853
Haibei Wang, Shuchen Qin, Kaixi Jiang and Bangsheng Zhang
Recent Operational Improvements of Hematite Plant at Akita
Zinc Co., Ltd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 865
Dai Matsuura, Yasuo Usami and Kenji Ichiya
The Analysis of Fe Behavior in Zinc Pressure Leaching . . . . . . . . . . . . 877
Longyi Chen
Part XXI Zinc Hydrometallurgy
Development of the New Zinc-Separation Process for the Blast
Furnace Dust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 885
Mariko Shinoda, Toyoshi Yamaguchi, Ryota Murai, Goro Okuyama
and Ikuhiro Sumi
Outotec Gypsum Removal Circuit and Outotec Cooling Tower
Performance in Neutral Solution Cooling . . . . . . . . . . . . . . . . . . . . . . . . 891
Tuomas Hirsi and Björn Saxen
Purification and Comprehensive Recovery Metal Values from Zinc
Hydrometallurgical Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 899
Yue Yang, Shaole Song, Honghu Tang, Li Wang, Wei Sun and Yuehua Hu
Refining of Zinc Chloride by the Combination of Cementation
Reaction and Vacuum Distillation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 905
Gen Kamimura and Hiroyuki Matsuura
Advanced Concept “Poly Metallurgical Refinery” Developed
by Cobre Las Cruces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 913
Carlos Frias, Joaquin Gotor, Francisco Sanchez, Jorge Blanco,
Natalia Moreno and Edward Vera
xiv
Contents