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Kinetics and Thermdynamics of Sodium Dodecylbenzene Sulfonate Adsorption on Scheelite Surface
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Mingbao LIU1, 2, Heng LIU1, 2, Dong LIU1, 2, Lei LIU1, 2, Tian ZHANG1, 2, Chao SUN3
Uranium Mining and Metallurgy | 2025, 44(2) : 78 - 83
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Uranium Mining and Metallurgy | 2025, 44(2): 78-83
• MINING AND HYDROMETALLURGY •
Kinetics and Thermdynamics of Sodium Dodecylbenzene Sulfonate Adsorption on Scheelite Surface
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Mingbao LIU1, 2, Heng LIU1, 2, Dong LIU1, 2, Lei LIU1, 2, Tian ZHANG1, 2, Chao SUN3
Affiliations
  • 1 Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources, Shangluo 726000, China
  • 2 College of Chemical Engineering and Modern Material, Shangluo University, Shangluo 726000, China
  • 3 Xianyang Shuangbai Technology Co., Ltd., Xianyang 712000, China
Published: 2025-05-20 doi: 10.13426/j.cnki.yky.2024.12.08
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To investigate the adsorption characteristics of sodium dodecylbenzene sulfonate on scheelite surface, the water bath shaking method was used to study the adsorption capacity, kinetics, and thermodynamics. The effects of pH, reagent concentration, temperature on the adsorption characteristics were explored using kinetic and thermodynamic equation models. The results show that under pH=10, the adsorption capacity of sodium dodecylbenzene sulfonate on scheelite surface is the largest, while under pH=7, the adsorption rate is the fastest, which conforms to the pseudo-second-order kinetic equation. Within a certain range, the adsorption capacity of dodecyl benzene sulfonate on scheelite surface is positively correlated with the reagent concentration and temperature. The adsorption process conforms to the Freundlich equation, which is an endothermic reaction of heterogeneous multilayer adsorption.

scheelite  /  sodium dodecylbenzene sulfonate  /  adsorption capacity  /  kinetics  /  thermodynamics
Mingbao LIU, Heng LIU, Dong LIU, Lei LIU, Tian ZHANG, Chao SUN. Kinetics and Thermdynamics of Sodium Dodecylbenzene Sulfonate Adsorption on Scheelite Surface[J]. Uranium Mining and Metallurgy, 2025 , 44 (2) : 78 -83 . DOI: 10.13426/j.cnki.yky.2024.12.08
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Article Info
doi: 10.13426/j.cnki.yky.2024.12.08
  • Receive Date：2024-12-13
  • Online Date：2025-07-04
  • Published：2025-05-20
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  • Received：2024-12-13
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Affiliations
    1 Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources, Shangluo 726000, China
    2 College of Chemical Engineering and Modern Material, Shangluo University, Shangluo 726000, China
    3 Xianyang Shuangbai Technology Co., Ltd., Xianyang 712000, 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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