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387 results on '"Zhu, Deqing"'

4. Process Mineralogical Analysis of a Typical Vanadium Titano-magnetite Concentrate

Author

Pan, Jian, Wang, Xin, Zhu, Deqing, Guo, Zhengqi, Yang, Congcong, Li, Siwei, Peng, Zhiwei, editor, Zhang, Mingming, editor, Li, Jian, editor, Li, Bowen, editor, Monteiro, Sergio Neves, editor, Soman, Rajiv, editor, Hwang, Jiann-Yang, editor, Kalay, Yunus Eren, editor, Escobedo-Diaz, Juan P., editor, Carpenter, John S., editor, Brown, Andrew D., editor, and Ikhmayies, Shadia, editor

Published
2024
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5. Improving the Reduction Swelling Behavior of Fired Hematite Pellets by Increasing Basicity

Author

Zhu, Deqing, Li, Bohua, Pan, Jian, Guo, Zhengqi, Yang, Congcong, Li, Siwei, Peng, Zhiwei, editor, Zhang, Mingming, editor, Li, Jian, editor, Li, Bowen, editor, Monteiro, Sergio Neves, editor, Soman, Rajiv, editor, Hwang, Jiann-Yang, editor, Kalay, Yunus Eren, editor, Escobedo-Diaz, Juan P., editor, Carpenter, John S., editor, Brown, Andrew D., editor, and Ikhmayies, Shadia, editor

Published
2024
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37. Preparation of Oxidized Pellets from Sulfuric Acid Residue Containing Zinc and Lead by Chlorination Roasting and Its Mechanism of Dezincing and Lead Removal.

Author

Liu, Wei, Pan, Jian, Yang, Congcong, Zhu, Deqing, Guo, Zhengqi, and Li, Siwei

Subjects
X-ray diffraction, POLARIZATION microscopy, ROASTING (Metallurgy), SULFUR acids, SULFURIC acid, HEMATITE, SILICATE minerals
Abstract

The utilization of sulfur acid residue is an urgent problem confronting sulfuric acid production enterprises, especially the application of sulfur acid residue (SAR) containing lead and zinc. A method combining chlorination roasting using CaCl2 with pelletizing for processing SAR containing lead and zinc was used in this study, and the effect of calcium chloride on pelletizing performance was studied; in addition, the removal behavior of lead and zinc was also studied by using polarized light microscopy (Zeiss double Axioskop 40A), X ray diffraction, SEM and EDS. The results showed that CaCl2 migrated to the surface of the pellets during drying, and this phenomenon resulted in a lower removal rate of lead and zinc inside the pellets than outside the pellets during the preheating phase. When the roasting temperature was 1220 °C, with an increase in the basicity of pellets, the silicate minerals in the pellets gradually decomposed, the hematite particles were gradually refined, and more lead or zinc minerals were exposed, which further increased the removal rate of lead and zinc in the pellets. Finally, the SAR pellets with Pb and Zn removal rates up to 91.33 and 97.88%, and a compressive strength of 2789 N, could be obtained, which is very beneficial to the sustainable development of sulfuric acid mills. [ABSTRACT FROM AUTHOR]

Published
2024
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38. Optimizing Combustion Efficiency in Blast Furnace Injection: A Sustainable Approach Using Biomass Char and Coal Mixtures.

Author

Tang, Chenmei, Pan, Jian, Zhu, Deqing, Guo, Zhengqi, Yang, Congcong, and Li, Siwei

Abstract

This study investigated the combustion characteristics of mixed straw char and coal powder when used in blast furnace injection. The experiments examined the effects of mixing ratios between biomass char types of wheat straw char, corn straw char as well as cotton straw char, and anthracite coal on combustion characteristics and the injection effect of blast furnace. The results show that a 1:1 mixing ratio of wheat straw char and anthracite coal yields the best combustion characteristics, followed by a 1:1 ratio of corn straw char and anthracite coal. A 2:1 mixture of cotton straw char and anthracite coal exhibits the highest combustion efficiency. The study on the grindability of the mixtures indicates that straw char is easier to grind due to its brittleness. Blast furnace coal injection experiments reveal that a 50:50 mixture of cotton straw char and anthracite coal achieves the highest combustion efficiency at 74%, which is a 20.2% improvement compared to mixtures of bituminous coal and anthracite coal, significantly outperforming the other ratios. The findings underscore the importance of integrating renewable biomass resources in industrial applications to enhance sustainability in the metallurgical industry. [ABSTRACT FROM AUTHOR]

Published
2024
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41. Contributors

Author

Ahmed, Hesham, primary, Babich, Alexander, additional, Bensley, S., additional, Boxall, Naomi J., additional, Bruckard, Warren J., additional, Clout, J.M.F., additional, Crisafio, C., additional, Donskoi, E., additional, Dwyer, Rebecca B., additional, Fisher-White, Michael J., additional, Gerrans, T., additional, Han, Hongliang, additional, Haque, Nawshad, additional, Hartmann, M.J., additional, Heyes, Graeme W., additional, Higuchi, Takahide, additional, Higuchi, Kenichi, additional, Holmes, Ralph J., additional, Ishiyama, Osamu, additional, Jankovic, Aleksandar, additional, Lau, Ian, additional, Laukamp, Carsten, additional, Li, Xianchun, additional, Lovel, Roy R., additional, Lu, Yifan, additional, Lu, Liming, additional, Manuel, J.R., additional, Maré, E., additional, Matsumura, Masaru, additional, Mousa, Elsayed, additional, Nomura, Seiji, additional, Ooi, Tze Chean, additional, Oosthuizen, J.P., additional, Pan, Jian, additional, Poliakov, A., additional, Ramanaidou, Erick, additional, Rea, Suzanne M., additional, Senk, Dieter, additional, Smith, Leanne K., additional, Sparrow, Graham J., additional, Stace, R., additional, Tonžetić, Igor Željko, additional, de Villiers, Johan P.R., additional, Wells, Martin, additional, Weng, Zhehan, additional, Werner, Tim T., additional, Xiong, Dahe, additional, Yellishetty, Mohan, additional, and Zhu, Deqing, additional

Published
2022
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45. Strengthening Sintering of Limonitic Nickel Laterite by Substituting Ferronickel Tailings for Sintering Fluxes

Author

Zhu, Deqing, Xue, Yuxiao, Pan, Jian, Yang, Congcong, Guo, Zhengqi, Tian, Hongyu, Wang, Dingzheng, Peng, Zhiwei, editor, Hwang, Jiann-Yang, editor, Downey, Jerome P., editor, Gregurek, Dean, editor, Zhao, Baojun, editor, Yücel, Onuralp, editor, Keskinkilic, Ender, editor, Jiang, Tao, editor, White, Jesse F., editor, and Mahmoud, Morsi Mohamed, editor

Published
2020
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46. Utilization of Ground Sinter Feed for Oxidized Pellet Production and Its Effect on Pellet Consolidation and Metallurgical Properties

Author

Tian, Hongyu, Pan, Jian, Zhu, Deqing, Wang, Dingzheng, Xue, Yuxiao, Peng, Zhiwei, editor, Hwang, Jiann-Yang, editor, Downey, Jerome P., editor, Gregurek, Dean, editor, Zhao, Baojun, editor, Yücel, Onuralp, editor, Keskinkilic, Ender, editor, Jiang, Tao, editor, White, Jesse F., editor, and Mahmoud, Morsi Mohamed, editor

Published
2020
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