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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Materials Engineering -- From Ideas to Practice: An EPD Symposium in Honor of Jiann-Yang Hwang
Presentation Title Extraction of Cerium from Catalyst of Waste Automobile Exhaust Gas Purifier
Author(s) Chen Ailiang, Guanwen Luo, Mao Jiale, Lu Sujun, Ma Yutian, Du Zuojuan, Chen Shengli, Pan Yujun, Qiao Jinxi, Bowen Li
On-Site Speaker (Planned) Guanwen Luo
Abstract Scope Automobile exhaust catalyst has been more and more widely used for creating a green life. It contains abundant platinum, palladium, rhodium and rare earth cerium, compared with primary resources. It’s necessary to efficiently recover valuable metals with great application value. The feasibility of leaching cerium from hydrochloric acid system is mainly analyzed from the perspective of thermodynamics in this paper. The leaching experiment of hydrochloric acid oxidation is carried out. The results show that the leaching rate of cerium reaches only 46% when the concentration of hydrochloric acid was 4 mol/L, the reaction temperature was 80 C, the amount of hydrogen peroxide was 10 ml, the liquid-solid ratio was 10:1, the reaction time was 2 h and the stirring speed was 450 r/min. According to the metal equilibrium, it is inferred that the formation of stable Ce-Zr solid solution makes the lower leaching rate of cerium.
Proceedings Inclusion? Planned:
Keywords Other, Other, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A New Electroplating Wastewater Treatment Process Using Electric Lime and Vacuum Filtration
Ballistic Evaluation of the Multilayer Armor System Reinforced by Guaruman Fiber
Barcol Hardness of Green Composites for Cold Repair in Industrial Piping
Blending of Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene with Polyethylene-graft-polystyrene for Cation Exchange Membrane Preparation with Enhanced Properties
Characterization of Mixing Conditions of Different Nozzle and Porous Plugs Setups in Non-ferrous Refining Furnaces
Characterization of Mortars Incorporated with Natural Açai Fiber
COD Removal from Electroplating Degreasing Wastewater by UV/H2O2 Process
Comparison between Compression Strength of Two Castor Oil Polyurethane Resin Matrix Composites Reinforced with Coconut or Piassava Fiber
Comparison of Mechanical Properties of Banana Fibers Reinforcement in Different Thermoset Matrix Composites
Determination of the Elasticity Modulus of a PC/rGO Nanocomposite via Impulse Excitation Technique - Sonelastic
Development and Management of Industrial Park for Chinese Electroplating Industry
Effect of Boron Iron Concentrate on the Strength of Preheated Iron Ore Pellets
Effect of Temperature on the Leachability of Chromium in EAF Slag
Effects of Ozone on COD Reduction in Electroplating Wastewater
Electroplating Wastewater Treatment in China
Evaluation of Ballistic Behavior by Residual Velocity of Epoxy Composite Reinforced with Sisal Fabric after UV Radiation Exposure
Extraction of Cerium from Catalyst of Waste Automobile Exhaust Gas Purifier
Improved Ballistic Armor with Composites Reinforced with Natural Fibers Functionalized with Graphene Oxide
Influence of Mercerization Process on the Surface of Coconut Fiber for Composite Reinforcement
Influence of Surface Treatment on Physical and Chemical Behavior of Politetrafluoroethylene
Influence of Weathering on the Mechanical Performance of an Aramid Fabric
Investigation of Nickel Laterite Smelting Slags
Materials Processing: From Ideas to Practice
Mercury Removal by Bio-chars with Plasma Surface Modification
Metallographic Feature of a Nickel-based Superalloy in Fluoride Electrolyte Melt
Novel Ballistic Composites: Performance Evaluation of Epoxy Composite Reinforced with Buriti Fabric as Component of a Multilayer Armor System
Novel Route of Polymerization for Engineering Thermorrigid Biopolymer Based on Soybean Oil
Oxidation of Cyanide and Simultaneous Copper Electrodeposition from Electroplating Wastewater in an Electrochemical Reactor
Phase Diagram and Thermodynamic Properties of Cu-O Binary System
Physical and Morphological Analysis of Concrete Produced with Expanded Clay
Production and High Ratio Application of Iron Ore Pellets in Shougang
Recent Progress in Microwave-assisted Pyrometallurgy at Central South University
Recycled Common Glass Bottle Used in Composite Repair for Industrial Piping
Renewable Energy for Sustainable Mining
Structural Characterization of Caranan Fiber (Mauritiella Aramata)
Tensile Properties of Epoxy Matrix Reinforced with Fique Fabric
Tensile Strength of Synthetic and Green Composites Used as Wrapping Cold Repair in Piping
The Effect of the Diameter on the Density of Ubim Fiber
The Formation Mechanism of the Third Phase in Nickel Electrolyte
The Influence of Ultraviolet (UV) Radiation on the Surface of Coconut Fiber
Thermal Behavior of Epoxy Matrix Composite Reinforced with Caranan Fibers
Treatment of Electroless Nickel Plating Wastewater by Ozone Oxidation
Weibull Analysis of the Mechanical Properties of the Epoxy Composite Reinforced with Guaruman Fibers

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