塑料科技2024，Vol.52Issue(7)：28-32,5.DOI:10.15925/j.cnki.issn1005-3360.2024.07.006
纤维素基高吸水树脂对Cd2+的吸附研究
Study on Adsorption of Cd2+by Cellulose-Based Superabsorbent Resin
摘要
Abstract
Water-absorbent resins have attracted widespread attention in the field of environmental treatment due to their ability to adsorb metal ions.The article utilizes corn straw and kaolin as raw materials,and acrylate and acrylamide as polymerization monomers to prepare cellulose-based superabsorbent resin through an aqueous solution polymerization method.The cellulose-based superabsorbent resin was characterized using Fourier transform infrared spectroscopy(FTIR),scanning electron microscopy(SEM),and energy-dispersive X-ray spectroscopy(EDX).The synthesized superabsorbent resin was utilized for the adsorption study of Cd2+in simulated wastewater.The results showed that the cellulose-based superabsorbent resin exhibited excellent adsorption capacity for Cd2+.When the solution pH value was 6,the resin dosage was 0.10 g,and the adsorption time was 200 min,the effective removal rate of the superabsorbent resin for Cd2+could reach 93.57% .The resin demonstrated good desorption performance for Cd2+in dilute hydrochloric acid solution,with a desorption rate of 88.73% .The resin also exhibited good reusability,maintaining a Cd2+removal rate of 79.12% after eight cycles of repeated adsorption.The cellulose-based superabsorbent resin possesses recyclable and regenerative capabilities,with good stability in repeated adsorption,and has potential value for the treatment of industrial wastewater containing Cd2+.关键词
玉米秸秆/高吸水树脂/纤维素/吸附性能/Cd2+Key words
Corn straw/Superabsorbent resin/Cellulose/Adsorption capacity/Cd2+分类
化学化工引用本文复制引用
胡鹏,杨天天,贺龙强,汤思敏..纤维素基高吸水树脂对Cd2+的吸附研究[J].塑料科技,2024,52(7):28-32,5.基金项目
河南省青年骨干教师培养项目(2019GZGG068) （2019GZGG068）
河南省科技攻关项目(222102320423) （222102320423）
