首页|改性树脂基除铍吸附材料的制备及含铍废水深度处理技术研究

改性树脂基除铍吸附材料的制备及含铍废水深度处理技术研究

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采用化学反应沉析法制备出改性树脂基除铍吸附材料,通过条件实验筛选出最佳制备工艺:用硝酸对树脂进行预处理,然后以金属盐氯化铝、马来酰亚胺、巯基乙胺和乙醇配置成负载溶液,将树脂与负载液充分搅拌混合,加入氨水调节pH值,加热处理后真空干燥得到改性树脂基除铍吸附材料,铍的去除率可达到98%.通过对改性树脂基除铍吸附材料的表征,证明载体成功负载上了金属-羟基、亚氨基和巯基的纳米级颗粒,且吸附材料的比表面积、平均孔径和总孔体积均增加.通过条件实验确定了含铍废水最佳深度处理技术参数为吸附滤速10 BV/h,原水pH=8,在干扰离子存在的条件下,处理出水中的铍能够满足相关标准要求.
Preparation of modified resin based beryllium removal adsorbent material and research on advanced treatment technology of beryllium containing wastewater
A modified resin based beryllium removal adsorbent material is prepared by chemical reaction precipitation method.The optimal preparation process is screened through conditional experiments:the resin is pretreated with nitric acid,and then a loading solution is prepared with metal salts aluminum chloride,maleimide,mercaptoethylamine,and ethanol.The resin is thoroughly stirred and mixed with the loading solution,and the pH value is adjusted by adding ammonia water.After heating treatment,the modified resin based beryllium removal adsorbent material is obtained by vacuum drying,and the beryllium removal rate could reach 98%.By characterizing the modified resin based beryllium removal adsorbent material,it is demonstrated that the carrier successfully loaded metal hydroxyl,imino,and thiol nanoparticles,and the specific surface area,average pore size,and total pore volume of the adsorbent material increased.The optimal deep treatment technology parameters for beryllium containing wastewater are determined through conditional experiments as adsorption filtration rate of 10 BV/h,raw water pH=8.Under the presence of interfering ions,the beryllium in the treated effluent can meet the requirements of standard.

modified resin basematerial preparationberylliumadsorptionadvanced treatment

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矿冶科技集团有限公司,北京 100160

改性树脂基 材料制备 吸附 深度处理

矿冶科技集团有限公司探索基金项目

02-2265

2024

中国矿业
中国矿业联合会

中国矿业

CSTPCD北大核心
影响因子:0.875
ISSN:1004-4051
年,卷(期):2024.33(z2)