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1. Pre-treatment of Waste Copper Dust (I): Potential of Oxidative Roasting–Density Separation–Sulphuric Acid Leaching Technology for Copper Recovery

   Copper sulphides (CS) in most waste copper dust (WCD) are often small but appreciable, contributing to poor copper recovery (CR) during sulphuric...

   Daniel Ogochukwu Okanigbe, Abimbola Patricia Popoola, Abraham Adewale Adeleke in Resource Recovery and Recycling from Waste Metal Dust

   Chapter 2023
   

2. Phase Evolution Mechanism of Vanadium Slag During Sodium Roasting via the Atomic Atmosphere Method Exploration

   The sodium roasting-water leaching technique is the major technique for vanadium extraction from vanadium slag in industry, which suffers from the...

   Jie Cheng, Hong-Yi Li, ... Bing **e in Metallurgical and Materials Transactions B

   Article 29 May 2024
   

3. Preparation of sodium molybdate from molybdenum concentrate by microwave roasting and alkali leaching

   The preparation process of sodium molybdate has the disadvantages of high energy consumption, low thermal efficiency, and high raw material...

   Fengjuan Zhang, Chenhui Liu, ... Fuchang Xu in International Journal of Minerals, Metallurgy and Materials

   Article 26 January 2024

4. Fluidized magnetization roasting of refractory siderite-containing iron ore via preoxidation–low-temperature reduction

   Magnetization roasting is one of the most effective way of utilizing low-grade refractory iron ore. However, the reduction roasting of siderite (FeCO ₃ ...

   Haoyan Sun, Zheng Zou, ... Dong Yan in International Journal of Minerals, Metallurgy and Materials

   Article 18 April 2023

5. Porosity of Iron-Ore Pellets at Different Stages of Roasting and Reduction

   Abstract

   Metallurgical properties are determined by the structure of pellets at the macrolevel as well as at the level of minerals and elements. The...

   I. S. Bersenev, I. S. Vokhmyakova, ... N. A. Spirin in Steel in Translation

   Article 01 December 2023
   

6. Effect of chemical composition on the element distribution, phase composition and calcification roasting process of vanadium slag

   The chemical composition of vanadium slag significantly affects its element distribution and phase composition, which affect the subsequent...

   Tangxia Yu, Tao Jiang, ... Yi Peng in International Journal of Minerals, Metallurgy and Materials

   Article 04 November 2022

7. Evolution Mechanism of Vanadium-Containing Phases During Sodium Roasting of Vanadium Slag with High Chromium Content

   In order to fundamentally improve the recoveryRecovery rate of vanadiumVanadium in the process of sodium roastingSodium roasting-water...

   Jie Cheng, Hong-Yi Li, ... Bing **e in Rare Metal Technology 2023

   Conference paper 2023
   

8. Ecofriendly Selective Extraction of Vanadium from Vanadium Slag with High Chromium Content via Magnesiation Roasting–Acid Leaching

   Conventional vanadium (V) extraction methods for vanadium-bearing slags create high chromium content discharge Cr(VI)-containing hazardous wastes. In...

   Hong-Yi Li, Jie Cheng, ... Bing **e in Metallurgical and Materials Transactions B

   Article 03 January 2022
   

9. Mathematical Model Study of the Process Kinetics during Roasting of Iron Ore Pellets

   Abstract

   A mathematical model of the kinetics of the redox reactions in a layer of iron ore pellets is developed. The kinetic equations relating the...

   B. P. Yur’ev, V. A. Dudko in Russian Metallurgy (Metally)

   Article 01 May 2021
   

10. Recovery of Neodymium and Dysprosium from Waste Hard Disk Magnets: Roasting, Selective Leaching, Extraction and Strip**

    We demonstrate an end-to-end protocol for the recovery of Dy and Nd from used NdFeB magnets by following steps- crushing, roasting, grinding,...

    Santosh Daware, Shally Gupta, Beena Rai in Transactions of the Indian Institute of Metals

    Article 24 May 2021
    

11. Sulfurization Roasting Process of Nd₂O₃ and Synthetic NdFeO₃ with Ferric Sulfate

    The environmental and economic recovery of rare-earth (RE) from NdFeB magnet waste is becoming increasingly important. In this study, the...

    Wenbin **n, Yongchun Deng, ... Di Chen in Metallurgical and Materials Transactions B

    Article 03 May 2021
    

12. Specific Features of the Oxidizing Roasting of Vanadium Slags with a CaCO₃ Additive for the Transformation of Vanadium into Soluble Forms

    Abstract

    The results of studying the oxidizing roasting of vanadium slags involving CaO for the transformation of vanadium into soluble forms are...

    G. B. Sadykhov, K. V. Goncharov, T. V. Olyunina in Russian Metallurgy (Metally)

    Article 01 May 2021
    

13. Oxidative Roasting–Selective Pressure Leaching Process for Rare Earth Recovery from NdFeB Magnet Scrap

    To recover rare earths (RE) with low acid consumption and low environmental pollution, selective pressure leaching with hydrochloric acid from...

    Yinju Jiang, Yongchun Deng, ... Chao Guo in Transactions of the Indian Institute of Metals

    Article 12 February 2020
    

14. Pre-treatment of Waste Copper Dust (II): Optimum Predictive Models and Experimental Data Error Margin

    The reliability of an optimum predictive model is dependent on its consistency with experimental data. Hence, this study aimed at determining the...

    Daniel Ogochukwu Okanigbe, Micheal Kowejo Ayomoh, Shade Rouxzeta Van Der Merwe in Resource Recovery and Recycling from Waste Metal Dust

    Chapter 2023
    

15. The Oxidation Behavior of a Selection of South African Chromites

    Fifteen commercial concentrates that are consumed in ferrochrome pre-oxidative sintering pelletizer operations were characterized, and exposed to...

    Stefan Swanepoel, Andrie M. Garbers-Craig, Johan P. R. De Villiers in Metallurgical and Materials Transactions B

    Article 28 September 2022
    

16. A Novel Ammonium Chloride Roasting Approach for the High-Efficiency Co-sulfation of Nickel, Cobalt, and Copper in Polymetallic Sulfide Minerals

    Abstract

    In this study, we propose a novel temperature-programmed ammonium chloride (NH ₄ Cl) roasting–water-leaching process to extract nickel (Ni),...

    Guangshi Li, **ngli Zou, ... **onggang Lu in Metallurgical and Materials Transactions B

    Article 19 October 2020
    

17. Preparation of Industrial Sodium Chromate Compound from an Indigenous Chromite Ore by Oxidative Decomposition

    PureChromate compound chromate is an important rawRaw materials materialMaterials used extensively in chemical and metallurgical operations....

    Alafara A. Baba, Kuranga I. Ayinla, ... Mustapha A. Raji in Rare Metal Technology 2021

    Conference paper 2021
    

18. A Mineralogical Investigation of Sintering in Cu-Rich Polymetallic Concentrates During Roasting in Inert Atmosphere

    Four different Cu-rich polymetallic concentrates (additionally comprising Zn, Pb and impurity elements As, Sb) from various deposits in Sweden are...

    Pande Nishant Prasad, Andreas Lennartsson, Caisa Samuelsson in Metallurgical and Materials Transactions B

    Article Open access 13 May 2020
    

19. H2SO4 Leaching of Zn Secondaries

    This chapter covers the most significant Zn secondary leaching using inorganic sulphuric acid (H2SO4) as lixiviant. The physical, chemical, and...

    Muammer Kaya in Recycling Technologies for Secondary Zn-Pb Resources

    Chapter 2023
    

20. Develo** the Technology of Regenerative Siderite Ore Roasting in Shaft Furnaces

    Abstract

    This paper shows that the existing siderite ore preparation techniques do not allow achieving high blast-furnace smelting levels as compared...

    B. P. Yur’ev, V. A. Gol’tsev, V. A. Dudko in Steel in Translation

    Article 01 December 2019