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Adsorption Behavior of CL-P507 Resin on La(Ⅲ) and Zn(Ⅱ)
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Shuaifeng LIU, Pei LIU, Pengfei LAI, Long HUANG, Haoran GUO, Weihang FENG, Huaping NIE, Xiaolin ZHANG
Hydrometallurgy of China | 2025, 44(1) : 82 - 90
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Hydrometallurgy of China | 2025, 44(1): 82-90
• Experiment Research •
Adsorption Behavior of CL-P507 Resin on La(Ⅲ) and Zn(Ⅱ)
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Shuaifeng LIU, Pei LIU, Pengfei LAI, Long HUANG, Haoran GUO, Weihang FENG, Huaping NIE, Xiaolin ZHANG
Affiliations
  • School of Metallurgical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China
Published: 2025-02-28 doi: 10.13355/j.cnki.sfyj.2025.01.012
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The challenge of achieving profound separation between rare earth elements(REEs) and non-rare earth impurities during the purification process via extractive resin adsorption has consistently posed a formidable obstacle. The static method was employed to analyze the adsorption behavior of La3+ and Zn2+ ions onto CL-P507 resin. The influences of adsorption duration, solution pH, and temperature on the adsorption efficiency of La3+ and Zn2+ by the resin were investigated. The adsorption kinetics and thermodynamics of La3+ and Zn2+ were analyzed. Additionally, the separation and migration mechanisms of La3+ and Zn2+ during the adsorption process was discussed. The results indicate that H+ participates in the reaction involving the phosphoric acid functional group of CL-P507 resin. At a feed liquid pH of 4.0, the adsorption equilibrium values for La3+ and Zn2+ are achieved at 0.098 9 mmol/g and 0.153 4 mmol/g, respectively within 8 min and 15 min. The adsorption of La3+ and Zn2+ onto CL-P507 resin is an endothermic process adhering to the Langmuir isothermal model and quasi-second-order kinetics, with chemical reactions governing the process. The findings offer theoretical insights into the efficient separation of rare earths from non-rare earth impurities.

CL-P507 resin  /  adsorption  /  rare earth  /  La(Ⅲ)  /  Zn(Ⅱ)
Shuaifeng LIU, Pei LIU, Pengfei LAI, Long HUANG, Haoran GUO, Weihang FENG, Huaping NIE, Xiaolin ZHANG. Adsorption Behavior of CL-P507 Resin on La(Ⅲ) and Zn(Ⅱ)[J]. Hydrometallurgy of China, 2025 , 44 (1) : 82 -90 . DOI: 10.13355/j.cnki.sfyj.2025.01.012
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Year 2025 volume 44 Issue 1
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doi: 10.13355/j.cnki.sfyj.2025.01.012
  • Receive Date：2024-07-11
  • Online Date：2025-07-05
  • Published：2025-02-28
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  • Received：2024-07-11
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    School of Metallurgical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, 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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