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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Alumina & Bauxite
Presentation Title Research on the Interaction between 1-butyl-2-mercaptobenzimidazole and Pyrite
Author(s) Tongtong Yang, Guihong Han, Jiongtian Liu, Yanfang Huang, Wencui Chai, Weijun Peng
On-Site Speaker (Planned) Guihong Han
Abstract Scope The flotation desulfurization is generally adapted for the removal of sulfur impurities in the high sulfur bauxite. 1-butyl-2-mercaptobenzimidazole (DMBI) was synthesized and used as collector in the laboratory. The interactions of DMBI and pyrite including adsorption time, solution pH, solution temperature and DMBI concentration were investigated in this work. The results show that the equilibrium adsorption time is 20 min. The adsorption capacity decreases with increasing pH as well as temperature. With the increasing concentration of DMBI, the adsorption capacity increases and achieves the saturated adsorption. The persuo-second-order kinetics equation can well describe the adsorption process. The adsorption of DMBI on pyrite is more consistent with Langmuir isothermal adsorption equation from 298.15 K to 318.15 K. However, the adsorption is more fitted by the Freundlich isothermal adsorption equation at 288.15 K. Thermodynamic studies display that the adsorption of DMBI and pyrite is non-spontaneous and exothermic.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Alumina, Iron and Titanium Extracting from Bauxite Residue with Low Lime Sinter Method
Analyzing the Bauxite Residue Amendment through the Addition of Ca and Mg Hydroxides Followed by Carbonation
Comprehensive Utilization of Red Mud: Current Research Status and a Possible Way Forward for Non-hazardous Treatment
Developing New Process for Selective Extraction of Rare Earth Elements from Bauxite Residue Based on Functionalized Ionic Liquids.
Development and Usage of Detailed Models of Technology at RUSAL Alumina Refineries
Digital Transformation in Alumina Refining
Effect of Organic Impurity on Seed Precipitation in Sodium Aluminate Solution
Effect of Sintering Conditions on the Stability of β-2CaO·SiO2 in High Sodium Carbonate Solution
Effects of Reductive Roasting with Sodium Salts on Leaching Behavior of Non-ferrous Elements in Bauxite Ore Residue
Experimental Investigation on Desiliconization of Low-grade Bauxite by Flotation Process
Expertimental Investigation on Reduction of Cast Iron from Bayer Red Mud and Laterite Nickel
Features of Pseudoboehmite from Alumina Production
Fitness-for-service Assessment and Re-rating of Flawed Alumina Feeding Vessels
Flotation of Low-grade Bauxite Using Modified Humics as Depressant
Flotation Separation of Pyrite from Refractory High-sulfur Bauxite
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Industrial Experience of Sinter Hydro-chemical Processing at Bogoslovsk Alumina Refinery
Miniplant Tests of HCl Technology of Alumina Production
Research on Alumina Preparation from Aluminium Chloride Solution by Electrolysis Process
Research on Impurity Removal of Low Grade Bauxite
Research on the Adsorption of Humic Acid on Pyrite Surface
Research on the Desulfurization of High Sulfur Bauxite
Research on the Interaction between 1-butyl-2-mercaptobenzimidazole and Pyrite
Roasting Pretreatment- low Temperature Digestion Method for Comprehensive Utilization of High-sulfur Bauxite
Specific Features of Scandium Behavior during Sodium Bicarbonate Leaching of Red Mud
Study on the Structure and Generation Mechanism of Intermediate (6AlO-OH) in Decomposition Process of Sodium Aluminate Solutions
The Impact of Backwater Iron Ions on Bauxite Flotation
The Properties of Superfine ATH Precipitated by Carbonation Method
Thermodynamics Analysis on Process of Pelletizing Chlorination of Fly Ash

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