A two-step sulfuric acid leaching process of ti-bearing blast furnace slag

被引：0
|
作者：
College of Chemical Engineering, Sichuan University, Chengdu 610065, China [1 ]
机构：
来源：
Guocheng Gongcheng Xuebao | 2006年 / 3卷 / 413-417期
关键词：
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The leaching behavior of water-quenched Ti-bearing blast furnace slag in sulfuric acid was investigated. The leaching process proceeded fast in the initial period, as shown by the dissolution results of aluminum and magnesium compounds, and part of amorphous titanium compounds. The leaching reaction was slowed down in the last period due to the formation of insoluble layer over the un-reacted calcium titanate particles. A two-step leaching process was designed, in which the slag was pre-leached with a 20% sulfuric acid solution. The pre-leaching could dissolute most of aluminum, about 64% of magnesium and 46% of titanium. The residue of pre-leaching was further leached with the help of mechanical milling. The two-step leaching operation resulted in a total Ti leaching rate over 94%.
引用
收藏
相关论文
共 50 条
  • [1] Thermodynamics analysis and experiments on Ti-bearing blast furnace slag leaching enhanced by sulfuric acid roasting
    Zhou, Lvshan
    Peng, Tongjiang
    Sun, Hongjuan
    Wang, Sanyuan
    RSC ADVANCES, 2022, 12 (54) : 34990 - 35001
  • [2] Extraction of Valuable Components from Ti-Bearing Blast Furnace Slag Using Sulfuric Acid Calcination Process
    He, Siqi
    Wang, Yan
    JOM, 2023, 75 (02) : 392 - 399
  • [3] Extraction of Valuable Components from Ti-Bearing Blast Furnace Slag Using Sulfuric Acid Calcination Process
    Siqi He
    Yan Wang
    JOM, 2023, 75 : 392 - 399
  • [4] Recovery of titanium compounds from Ti-enriched product of alkali melting Ti-bearing blast furnace slag by dilute sulfuric acid leaching
    He, Siqi
    Sun, Hongjuan
    Tan, Daoyong
    Peng, Tongjiang
    SELECTED PROCEEDINGS OF THE TENTH INTERNATIONAL CONFERENCE ON WASTE MANAGEMENT AND TECHNOLOGY, 2016, 31 : 977 - 984
  • [5] Dynamic oxidation of the Ti-bearing blast furnace slag
    Zhang, Li
    Zhang, Linnan
    Wang, Mingyu
    Li, Guangqiang
    Sui, Zhitong
    ISIJ INTERNATIONAL, 2006, 46 (03) : 458 - 465
  • [6] Kinetics of the leaching of TiO2 from Ti-bearing blast furnace slag
    Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
    不详
    不详
    不详
    J. China Univ. Min. Technol., 2 (275-278):
  • [7] Study of Comprehensive Utilization on Ti-bearing Blast Furnace Slag
    Ren, Qiandian
    Hao, Suju
    Jiang, Wufeng
    Zhang, Yuzhu
    Zhang, Weipan
    MATERIALS SCIENCE, CIVIL ENGINEERING AND ARCHITECTURE SCIENCE, MECHANICAL ENGINEERING AND MANUFACTURING TECHNOLOGY, PTS 1 AND 2, 2014, 488-489 : 141 - 144
  • [8] Estimation of Reaction Heat in Ti-Bearing Blast Furnace Slag—Sulfuric Acid System Based on Mechanical Mixture Model
    Zhuoying Yang
    Fan Yang
    Meigui Yi
    Lan Xiang
    Mining, Metallurgy & Exploration, 2021, 38 : 1247 - 1252
  • [9] Crystallization Behavior and Growing Process of Rutile Crystals in Ti-Bearing Blast Furnace Slag
    Zhang, Wu
    Zhang, Li
    Li, Yuhai
    Li, Xin
    HIGH TEMPERATURE MATERIALS AND PROCESSES, 2016, 35 (08) : 787 - 797
  • [10] Extraction of vanadium from converter slag by two-step sulfuric acid leaching process
    Xiang, Junyi
    Huang, Qingyun
    Lv, Xuewei
    Bai, Chenguang
    JOURNAL OF CLEANER PRODUCTION, 2018, 170 : 1089 - 1101
12345