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现代化工  2022, Vol. 42 Issue (8): 161-166    DOI: 10.16606/j.cnki.issn0253-4320.2022.08.032
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
基于萘二胺多氟聚合物颗粒的制备及吸附性能研究
郑丹, 贾琳, 黄廷洪
四川轻化工大学化学工程学院, 四川 自贡 643000
Preparation of fluorine-containing polymer particle based on naphthylenediamine and adsorption properties
ZHENG Dan, JIA Lin, HUANG Ting-hong
School of Chemical Engineering, Sichuan University of Science & Engineering, Zigong 643000, China
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摘要 以1,5-萘二胺与2,3,5,6-四氟对苯二甲醛为原料,在冰乙酸催化条件下合成席夫碱,并以三乙酰氧基硼氢化钠为原料、二氯甲烷为溶剂还原胺化生成含氟胺类还原产物。利用FT-IR、XRD、SEM、BET和TG对其进行表征,考察其对甲基橙废水的吸附性能。结果表明,吸附剂质量为25 mg、吸附温度为60℃、吸附时间为70 min时,含氟席夫碱对甲基橙的脱色率为25%,经光催化后脱色率可提升到55%;含氟胺类还原产物对甲基橙脱色率可达到95%以上。含氟胺类还原产物吸附甲基橙符合Freundlich吸附等温模型。含氟聚合物颗粒是废水处理的潜在有效吸附剂。
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郑丹
贾琳
黄廷洪
关键词:  聚合物颗粒  席夫碱  甲基橙废水  吸附  光催化  脱色率    
Abstract: Schiff base is synthesized through one-step method by using 1,5-naphthalenediamine and 2,3,5,6-tetrafluoroterephthalaldehyde as raw materials under glacial acetic acid catalytic conditions.Two new types of fluorine-containing polymer particles are generated through the reduction and amination of Schiff base,with sodium triacetoxyborohydride as raw materials and dichloromethane as solvent.The polymer is characterized and analyzed by means of FTIR,XRD,SEM,BET and TG.The adsorption performance of methyl orange wastewater by the fluorine-containing polymer microspheres is investigated.The optimum conditions are determined through experiments as follows:the dosage of the adsorbent is 25 mg,the adsorption temperature is 60℃,and the adsorption spends 70 min.Under the optimal conditions,the decolorization rate of methyl orange-containing wastewater by fluorine-containing Schiff base reaches 25%,and reaching 55% after photocatalytic treatment.The decolorization rate of methyl orange by the reduced fluorine-containing amines can exceed 95%.The adsorption isotherms of methyl orange by the reduced fluorine-containing amines can be well fitted with Freundlich model.It is suggested that the fluorine-containing polymer particles can be a potentially efficient adsorbent for wastewater treatment.
Key words:  polymer particles    Schiff base    methyl orange-containing wastewater    adsorption    photocatalysis    decolorization rate
收稿日期:  2021-08-11      修回日期:  2022-05-30           出版日期:  2022-08-20
ZTFLH:  TQ032.4  
  TQ034  
基金资助: 四川省科技计划(2020YFG0163)
通讯作者:  黄廷洪(1984-),男,博士,副教授,硕士生导师,研究方向为配合物合成,通讯联系人,hth_chem@126.com。    E-mail:  hth_chem@126.com
作者简介:  郑丹(1989-),女,博士,讲师,硕士生导师,研究方向为结晶器设计及配合物结晶,zhengdan0830@163.com
引用本文:    
郑丹, 贾琳, 黄廷洪. 基于萘二胺多氟聚合物颗粒的制备及吸附性能研究[J]. 现代化工, 2022, 42(8): 161-166.
ZHENG Dan, JIA Lin, HUANG Ting-hong. Preparation of fluorine-containing polymer particle based on naphthylenediamine and adsorption properties. Modern Chemical Industry, 2022, 42(8): 161-166.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2022.08.032  或          https://www.xdhg.com.cn/CN/Y2022/V42/I8/161
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