改性树脂对水溶液中奥拉西坦的吸附性能研究

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中图分类号：0643 文献标志码：A 文章编号：1003-5168（2025）22-0089-05

DOI：10.19968/j.cnki.hnkj.1003-5168.2025.22.015

Adsorption Performance of Modified Resin for Oxiracetam in Aqueous Solution

FANG Jie'WANG Ning²WANG Huan1HE Wenjing³WANG Fei³SONG Ying1

（1.Jiangsu Air Pollution Treatment Engineering & Research Center，Academy of Environmental Planning & De

sign Co.，Ltd.，Nanjing UniversityNanjing21Oo93，China;2.Wuxi Ecological Environment Monitoring Center

Xinwu Branch，Wuxi 2140oo，China; 3.NJU Environmental Technologies of Nanjing University Jiangsu Co.， Ltd.， Nanjing 210093， China）

Abstract：[Purposes] In response to theinsufficient adsorption performance of commercial resins for water-soluble substances，this study improved the selective adsorptioncapacity of the resin for target pollutants in pharmaceutical wastewater through molecular design and surface modification， providing a new solution for wastewater treatment and resource recovery.[Methods] The adsorption performance of modified resin for oxiracetam in aqueous solution was investigated through isothermal adsorption and kinetic experiments，with comparative studies using NDA99 and NDA15O resins. [Findings] Results demonstrated that the sulfamic acid-modified adsorption resin （HGY-1） exhibited the optimal adsorption capacity for oxiracetam，achieving peak performance at 3O3 K. The adsorption isotherms of oxiracetam on HGY-1 resin were well described by both Langmuir and Freundlich models.The dynamic adsorption process folowed pseudo-first-order kinetics，with intraparticle diffusion identified as the primary ratelimiting step. [Conclusions] This study presents a novel adsorption material for the separation，recovery， and resource utilization of the active oxiracetam component from pharmaceutical wastewater. Furthermore，this approach holds significant potential for industrial wastewater treatment and product purification.

Keywords： adsorption resin; oxiracetam; preferential adsorption; kinetics; intraparticle diffusion

0 引言

奥拉西坦（Oxiracetam）的分子式为 C6H10N2O3 是一种吡咯烷酮类衍生物，主要用于治疗脑损伤及其导致的神经功能缺损1、认知功能障碍和记忆减退等临床症状2。（剩余5013字）