Preparation of a graphene oxide membrane for air purification
Environmental issues such as particulate matter (PM) have become more and more serious because of their detrimental effects on human health. The development of an effective way to remove PM is in high demand. In this study, a graphene oxide (GO) membrane with a large specific surface area and a cont...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2019-01-01
|
| Series: | Materials Research Express |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/2053-1591/ab3eec |
| _version_ | 1797747221820604416 |
|---|---|
| author | Weiwu Zou Baoshan Gu Shiqing Sun Shidong Wang Xin Li Haoqi Zhao Peiyan Yang |
| author_facet | Weiwu Zou Baoshan Gu Shiqing Sun Shidong Wang Xin Li Haoqi Zhao Peiyan Yang |
| author_sort | Weiwu Zou |
| collection | DOAJ |
| description | Environmental issues such as particulate matter (PM) have become more and more serious because of their detrimental effects on human health. The development of an effective way to remove PM is in high demand. In this study, a graphene oxide (GO) membrane with a large specific surface area and a continuous pore structure was prepared via a coating method. The morphology, composition and structure of the GO membrane were characterized by scanning electron microscopy (SEM), an energy dispersive spectrometer (EDS), X-ray diffraction (XRD), FT-IR spectra, X-ray photoelectron spectra (XPS) and Raman spectroscopy. The removal efficiency for PM and the influence of pollutant concentration and wind velocity on the GO membrane were studied. As a result, when the wind velocity was 0.1 m s ^−1 , the PM _2.5 removal efficiency of the GO membrane exhibited the highest efficiency (99.46%) with a low pressure drop (7 Pa) and a high quality factor (QF) of 0.75 Pa ^−1 . The GO membrane maintained a high adsorption performance for a long time. The GO membrane removal efficiency was more significant when the import concentration was higher and the wind velocity was lower. In particular, SEM and EDS clearly revealed that the PM _2.5 was successfully captured by the GO membrane. The preparation of the GO membrane involves a simple and pollution-free process, which provides a new way to deal with air pollution. |
| first_indexed | 2024-03-12T15:47:44Z |
| format | Article |
| id | doaj.art-34f08ba04f1e4ff4a85db37a823d36e4 |
| institution | Directory Open Access Journal |
| issn | 2053-1591 |
| language | English |
| last_indexed | 2024-03-12T15:47:44Z |
| publishDate | 2019-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Materials Research Express |
| spelling | doaj.art-34f08ba04f1e4ff4a85db37a823d36e42023-08-09T15:20:48ZengIOP PublishingMaterials Research Express2053-15912019-01-0161010562410.1088/2053-1591/ab3eecPreparation of a graphene oxide membrane for air purificationWeiwu Zou0https://orcid.org/0000-0001-7776-2706Baoshan Gu1Shiqing Sun2Shidong Wang3Xin Li4Haoqi Zhao5Peiyan Yang6School of Materials Science and Engineering, Hebei University of Science & Technology , Shijiazhuang 050000, People’s Republic of China; National Engineering Laboratory for Advanced Coatings Technology of Metal Materials, China Iron and Steel Research Institute Group, Beijing 100081, People’s Republic of ChinaNational Engineering Laboratory for Advanced Coatings Technology of Metal Materials, China Iron and Steel Research Institute Group, Beijing 100081, People’s Republic of ChinaSchool of Materials Science and Engineering, Hebei University of Science & Technology , Shijiazhuang 050000, People’s Republic of ChinaSchool of Materials Science and Engineering, Hebei University of Science & Technology , Shijiazhuang 050000, People’s Republic of China; National Engineering Laboratory for Advanced Coatings Technology of Metal Materials, China Iron and Steel Research Institute Group, Beijing 100081, People’s Republic of ChinaNational Engineering Laboratory for Advanced Coatings Technology of Metal Materials, China Iron and Steel Research Institute Group, Beijing 100081, People’s Republic of ChinaNational Engineering Laboratory for Advanced Coatings Technology of Metal Materials, China Iron and Steel Research Institute Group, Beijing 100081, People’s Republic of ChinaNational Engineering Laboratory for Advanced Coatings Technology of Metal Materials, China Iron and Steel Research Institute Group, Beijing 100081, People’s Republic of ChinaEnvironmental issues such as particulate matter (PM) have become more and more serious because of their detrimental effects on human health. The development of an effective way to remove PM is in high demand. In this study, a graphene oxide (GO) membrane with a large specific surface area and a continuous pore structure was prepared via a coating method. The morphology, composition and structure of the GO membrane were characterized by scanning electron microscopy (SEM), an energy dispersive spectrometer (EDS), X-ray diffraction (XRD), FT-IR spectra, X-ray photoelectron spectra (XPS) and Raman spectroscopy. The removal efficiency for PM and the influence of pollutant concentration and wind velocity on the GO membrane were studied. As a result, when the wind velocity was 0.1 m s ^−1 , the PM _2.5 removal efficiency of the GO membrane exhibited the highest efficiency (99.46%) with a low pressure drop (7 Pa) and a high quality factor (QF) of 0.75 Pa ^−1 . The GO membrane maintained a high adsorption performance for a long time. The GO membrane removal efficiency was more significant when the import concentration was higher and the wind velocity was lower. In particular, SEM and EDS clearly revealed that the PM _2.5 was successfully captured by the GO membrane. The preparation of the GO membrane involves a simple and pollution-free process, which provides a new way to deal with air pollution.https://doi.org/10.1088/2053-1591/ab3eecgraphene oxidemembranecoatingair purificationparticulate matter |
| spellingShingle | Weiwu Zou Baoshan Gu Shiqing Sun Shidong Wang Xin Li Haoqi Zhao Peiyan Yang Preparation of a graphene oxide membrane for air purification Materials Research Express graphene oxide membrane coating air purification particulate matter |
| title | Preparation of a graphene oxide membrane for air purification |
| title_full | Preparation of a graphene oxide membrane for air purification |
| title_fullStr | Preparation of a graphene oxide membrane for air purification |
| title_full_unstemmed | Preparation of a graphene oxide membrane for air purification |
| title_short | Preparation of a graphene oxide membrane for air purification |
| title_sort | preparation of a graphene oxide membrane for air purification |
| topic | graphene oxide membrane coating air purification particulate matter |
| url | https://doi.org/10.1088/2053-1591/ab3eec |
| work_keys_str_mv | AT weiwuzou preparationofagrapheneoxidemembraneforairpurification AT baoshangu preparationofagrapheneoxidemembraneforairpurification AT shiqingsun preparationofagrapheneoxidemembraneforairpurification AT shidongwang preparationofagrapheneoxidemembraneforairpurification AT xinli preparationofagrapheneoxidemembraneforairpurification AT haoqizhao preparationofagrapheneoxidemembraneforairpurification AT peiyanyang preparationofagrapheneoxidemembraneforairpurification |