A new kind of filter paper comprising ultralong hydroxyapatite nanowires and double metal oxide nanosheets for high-performance dye separation
文献类型：期刊论文
| 作者 | Zhang, QQ; Zhu, YJ; Wu, J; Shao, YT; Dong, LY |
| 刊名 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
 |
| 出版日期 | 2020-09-01 |
| 页码 | 78 |
| ISSN号 | 0021-9797 |
| DOI | 10.1016/j.jcis.2020.04.079 |
| 文献子类 | Article |
| 英文摘要 | Simultaneous enhancement in water flux and removal efficiency during the filtration process remains a big challenge for separation membranes. The porous structure of the filter paper can provide many channels for water transportation, but the separation performance is generally poor. The purpose of this study is to develop a new kind of filter paper consisting of ultralong hydroxyapatite (HAP) nanowires, cellulose fibers (CFs) and double metal oxide (LDO) nanosheets, and to achieve the simultaneous enhancement of both water flux and removal efficiency for high-performance dye separation. In this work, a novel kind of LDO/HAP/CF nanocomposite filter paper consisting of ultralong HAP nanowires and CFs and LDO nanosheets has been developed for rapid water filtration and highly efficient dye adsorption. Positively charged LDO nanosheets can adsorb on the surface of negatively charged ultralong HAP nanowires and embed in the porous networked structure of the LDO/HAP/CF nanocomposite filter paper, which can provide a porous structure for rapid water transportation and can adjust the pore size of the nanocomposite filter paper. As a result, the pure water flux of the LDO/HAP/CF nanocomposite filter paper can be adjusted. The optimized pure water flux of the LDO/HAP/CF nanocomposite filter paper can reach 783.6 L m(-2) h(-1) bar(-1), which is 1.51 times that of the HAP/CF filter paper without LDO nanosheets (518.6 L m(-2) h(-1) bar(-1)). More importantly, the adsorption capacity of LDO nanosheets is high for dye molecules, the rejection percentage of Congo red (CR) by the as-prepared HAP/CF filter paper is only 59.8%, and its water flux is 534.7 L m(-2) h(-1) bar(-1). The optimized rejection percentage and water flux of the LDO/HAP/CF nanocomposite filter paper for CR are significantly enhanced (98.3% and 736.8 L m(-2) h(-1) bar(-1), respectively) compared to those of the HAP/CF filter paper. The size of LDO nanosheets has a significant effect on the water flux and dye rejection percentage of the LDO/HAP/CF nanocomposite filter paper. The as-prepared LDO/HAP/CF nanocomposite filter paper is promising for the applications in highly efficient purification of wastewater containing dye molecules. (C) 2020 Elsevier Inc. All rights reserved. |
| WOS关键词 | LAYERED DOUBLE HYDROXIDE ; CARBONACEOUS NANOFIBER MEMBRANES ; CONGO RED ; NANOFILTRATION MEMBRANES ; AQUEOUS-SOLUTION ; DRUG-DELIVERY ; WATER ; ADSORPTION ; REMOVAL ; NANOCOMPOSITE |
| WOS研究方向 | Chemistry |
| 语种 | 英语 |
| 出版者 | ACADEMIC PRESS INC ELSEVIER SCIENCE |
| 源URL | [http://ir.sic.ac.cn/handle/331005/27803]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 推荐引用方式 GB/T 7714 | Zhang, QQ,Zhu, YJ,Wu, J,et al. A new kind of filter paper comprising ultralong hydroxyapatite nanowires and double metal oxide nanosheets for high-performance dye separation[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2020:78. |
| APA | Zhang, QQ,Zhu, YJ,Wu, J,Shao, YT,&Dong, LY.(2020).A new kind of filter paper comprising ultralong hydroxyapatite nanowires and double metal oxide nanosheets for high-performance dye separation.JOURNAL OF COLLOID AND INTERFACE SCIENCE,78. |
| MLA | Zhang, QQ,et al."A new kind of filter paper comprising ultralong hydroxyapatite nanowires and double metal oxide nanosheets for high-performance dye separation".JOURNAL OF COLLOID AND INTERFACE SCIENCE (2020):78. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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