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Design and Simulation of Continuous Production Process of Lithium Carbonate from Spodumene
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Yanmei PENG, Wandian YANG, Luan YI, Xiaoying DUAN, Yiqi LIU, Shiying PENG, Lifen ZHANG
Mining and Metallurgical Engineering | 2025, 45(1) : 113 - 117
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Mining and Metallurgical Engineering | 2025, 45(1): 113-117
• METALLURGY •
Design and Simulation of Continuous Production Process of Lithium Carbonate from Spodumene
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Yanmei PENG, Wandian YANG, Luan YI, Xiaoying DUAN, Yiqi LIU, Shiying PENG, Lifen ZHANG
Affiliations
  • Changsha Research Institute of Mining and Metallurgy Co, Ltd, Changsha 410012, Hunan, China
Published: 2025-02-01 doi: 10.3969/j.issn.0253-6099.2025.01.021
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A process for continuous producing lithium carbonate from spodumene was presented based on the processing technique including converting natural spodumene into β-spodumene for roasting, and sulphation roasting. Aspen Plus software was adopted to simulate the whole production process, with the parameters optimized as follows: H2SO4 and Li2O in a molar ratio of 1.1, liquid-solid ratio of 2.0, and temperature for lithium precipitation at 85 ℃. Under the above conditions, lithium carbonate product can be finally produced with purity of 99.55% (in a mass fraction), presenting lithium recovery rate at 87.7%. The energy consumption of natural gas, pure water and steam is 0.42, 6.64 and 0.72 per unit of lithium carbonate product respectively.

spodumene  /  lithium carbonate  /  Aspen simulation  /  sulphation roasting  /  continuous production
Yanmei PENG, Wandian YANG, Luan YI, Xiaoying DUAN, Yiqi LIU, Shiying PENG, Lifen ZHANG. Design and Simulation of Continuous Production Process of Lithium Carbonate from Spodumene[J]. Mining and Metallurgical Engineering, 2025 , 45 (1) : 113 -117 . DOI: 10.3969/j.issn.0253-6099.2025.01.021
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Year 2025 volume 45 Issue 1
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doi: 10.3969/j.issn.0253-6099.2025.01.021
  • Receive Date：2024-09-16
  • Online Date：2026-03-17
  • Published：2025-02-01
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  • Received：2024-09-16
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    Changsha Research Institute of Mining and Metallurgy Co, Ltd, Changsha 410012, Hunan, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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