碳纳米管/纤维素纸基空气过滤材料的制备与性能研究

焦婷婷; 聂景怡; 杨斌; 张美云; 廖健飞; 孙彬熔; 李越清; 杨瑞婷

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Preparation and Performance of CNT/Cellulose Paper-based Air Filtration Materials

Received:September 06, 2024 Revised:October 06, 2024

DOI：10.11981/j.issn.1000-6842.2024.04.84

Key Words:carbon nanotubes;cellulose;filtration properties;electrostatic adsorption

Fund Project:国家自然科学基金（22208200）。

Author Name	Affiliation	Postcode
JIAO Tingting	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
NIE Jingyi^*	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
YANG Bin^*	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
ZHANG Meiyun^*	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
LIAO Jianfei	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 Guangdong Guanhao High-tech Co.， Ltd.， Zhanjiang， Guangdong Province， 524000	524000
SUN Binrong	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
LI Yueqing	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
YANG Ruiting	College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021

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Abstract:

This study prepared cellulose-based conductive filtration materials （hereinafter referred to as conductive filter materials） by compositing cellulose fibers and carbon nanotubes （CNT）， and connected the external static power supply to enhance the electrostatic adsorption efficiency of the conductive filter materials. The filtration performance for air particulate matter of the conductive filter material was controlled by changing the forming method， and regulating the basis weight of the conductive filter material and the CNT addition amount. The relationship between the applied electrostatic voltage and the filtration performance was further studied. The results showed that when the basis weight was 45 g/m² and the CNT addition amount was 50% （relative to basis weight of conductive filter material）， the conductive filter material CCP-50-45 showed the best overall filtration performance. After loading the conductive filter materials with high-voltage static electricity， the filtration efficiency enhancement of filter materials loaded electricity was linearly related to the CNT addition amount. The filtration efficiency of filter materials loaded electricity CCP-50-45-e for PM_0.3 was increased by 20.51 percentage points to 88.29% when the electrostatic voltage reached to 15 kV， and the pressure drop was kept unchanged with only 30 Pa.

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