N-（2-氨乙基）胺基-β-环糊精交联聚合物的制备及其吸附性能.pdfVIP

学兔兔 石 油 化 工 2010年第39卷第1期 PETROCHEMICAL TECHN0L0GY ·85· ～工一 一 (2一氨乙基)胺基一 一环糊精交联聚合物的 制备及其吸附性能 彭成松，王少宝，徐国财，张晓梅 (安徽理工大学 化工学院，安徽 淮南 232001) [摘要]／3一环糊精经酯化、氨解、氨基保护、环氧氯丙烷交联及脱保护等反应，合成了Ⅳ一(2一氨乙基)胺基一卢一环糊精交联聚合 物(PAE一 一CD)。考察了振荡时间、初始质量浓度、温度及pH等吸附条件对PAE一卢一CD吸附碱性品红和苯酚吸附量(Q。)的 影响。实验结果表明，PAE—JB—CD对碱性品红的Q。高于对苯酚的Q ；PAE一卢一CD的交联度对Q。几乎无影响，而体系pH对 Q 的影响较大。吸附碱性品红时，pH=5～7较佳；吸附苯酚时，pH=6～8较佳。在室温、振荡 1 h、碱性品红初始质量浓度 250 mg／L、pH=5 34的条件下，最大Q 达17．9 mg／g；在室温、振荡1 h、苯酚初始浓度500 mg／L、pH=6．14的条件下，最大Q。达 15．3 mg／g。PAE一口一CD对碱性品红和苯酚的吸附符合Freundlich吸附等温方程。 [关键词]口一环糊精；N一(2一氨乙基)胺基一卢一环糊精交联聚合物；吸附；碱性品红；苯酚 『文章编号]l000—8144(2010)01—0085—05 [中图分类号] rQ 424．3 [文献标识码]A Preperation and Adsorbability of Ⅳ-(2-Aminoethy1)Amidogen -Cyclodextrin Crosslinked Polymer Peng Chengsong，Wang Shaobao，Xu Guocai，Zhang Xiaomei (College of Chemical Engineering，Anhui University of Science and Technology，Huainan Anhui 232001，China) [Abstract] Ⅳ_(2一aminoethy1)amidogen-3一cyclodextrin crosslinked polymer(PAE-3一CD)，which was used as adsorbent in disposal of phenolic effluent，was synthesized from 一cyclodextrin by multistep reactions， namely esterification，ammonolysis，amidogen protection，crosslinking with epichlorohydrin and de—protection．The effects of shaking time，initial mass concentration，temperature and pH of system on adsorption quantities(Q。)of fuchsin and phenol on the prepared PAE-3一CD were investigated．Results showed that Q。of fuchsin was higher than that of phenol，and both Q。S were nearly not influenced by crosslinking degree of PAE-3