化工学报 ›› 2021, Vol. 72 ›› Issue (S1): 520-529.doi: 10.11949/0438-1157.20201486

• 材料化学工程与纳米技术 • 上一篇    下一篇



  1. 上海交通大学制冷与低温工程研究所,上海 200240
  • 收稿日期:2020-10-28 修回日期:2021-01-22 出版日期:2021-06-20 发布日期:2021-06-20
  • 通讯作者: 葛天舒 E-mail:junyewu65@sjtu.edu.cn;baby_wo@stju.edu.cn
  • 作者简介:吴俊晔(1997—),男,硕士研究生,junyewu65@sjtu.edu.cn
  • 基金资助:

Indoor air purification based on adsorbent/wood pulp fiber paper coupling material

WU Junye(),GE Tianshu(),WU Xuannan,DAI Yanjun,WANG Ruzhu   

  1. Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai 200240, China
  • Received:2020-10-28 Revised:2021-01-22 Published:2021-06-20 Online:2021-06-20
  • Contact: GE Tianshu E-mail:junyewu65@sjtu.edu.cn;baby_wo@stju.edu.cn


随着人们对室内环境质量的要求越来越高,空气净化技术已成为日益重要的研究课题。提出了一种以木浆纤维纸为基材,通过浸渍的方法将吸附剂耦合于其表面的新型空气净化材料制备技术,并对其性能进行了测试和分析。首先,制备了具有不同上胶量的木浆纤维纸并测试了它们的苯吸附性能。结果显示,浸渍硅胶三次的木浆纤维纸为最优的材料,其具有较高的吸附量及良好的稳定性。此外,在相对压力低于0.5时,苯的静态吸附试验数据和动态吸附试验数据可以分别用Freundlich模型和LDF模型较好地拟合,它们的相关系数平方R2分别不小于0.97和0.94。在吸附CO2方面,使用硅胶作为黏合剂,将13X分子筛粉末涂覆于纤维纸表面,得到的复合纤维纸材料在15 kPa和100 kPa下的CO2吸附量分别可达到1.17 mmol/g和1.92 mmol/g。可见,使用本材料可有效地对气体进行捕集处理,为制作空气过滤网提供思路和参考。

关键词: 木浆纤维纸, 苯, 二氧化碳, 浸渍, 吸附剂


With the increasing demand for indoor environmental quality, air purification technology has become an indispensable project. In this paper, a new preparation technology of air purification material based on wood pulp fiber paper is proposed. The adsorbent is coupled to its surface by impregnation method, and its performance is tested and studied. Firstly, wood pulp fiber paper impregnated with different quality silica gel is prepared and their benzene adsorption properties are tested. The results show that the wood pulp fiber paper impregnated by silica gel three times has high adsorption capacity and good material stability, so we conclude that for benzene adsorption, the best impregnation times are three times. In addition, when the relative pressure is lower than 0.5, the static experimental data and dynamic experimental data of benzene adsorption can be well fitted by Freundlich model and LDF model, and their square correlation coefficients R2 are greater than 0.97 and 0.94 respectively. As for CO2 adsorption, silica gel was used as adhesive to coat 13X molecular sieve powder on the surface of fiber paper. The material shows good CO2 capture performance and stability. The CO2 adsorption capacity of the composite fiber paper material at 15 kPa and 100 kPa can reach 1.17 mmol/g and 1.92 mmol/g respectively. It can be seen that this material can effectively capture different gas and provide ideas and reference for the production of air filter.

Key words: wood pulp fiber paper, benzene, carbon dioxide, impregnation, adsorbent


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