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Kinetic study of water transport in layered graphene oxide membranes
Environmental Pollutants and Bioavailability ( IF 3.6 ) Pub Date : 2019-07-02 , DOI: 10.1080/26395940.2019.1604163
Meng Na 1, 2 , Wang Zhao 2 , Xueyang Zhang 1
Affiliation  

Layered graphene oxide (GO) membranes are considered promising separation membranes because of their lamellar structure, strong mechanical strength and strong hydrophilic properties. However, there are a limited number of studies on the mechanism of water transport through a layered GO membrane. In this paper, by using a self-synthesized layered GO membrane, we developed and validated the first dynamic equation to describe water transport through a layered GO membrane. The results showed that the relationship between membrane flux and GO loading is an exponential function and that the water flux decreases with increasing GO loading. Then, the dynamic equation was applied to previously reported layered GO membranes to further verify its applicability. This kinetic study on layered GO membranes provides insight into the development of high-performance membranes with high permeability and selectivity.



中文翻译:

层状氧化石墨烯膜中水迁移的动力学研究

层状氧化石墨烯(GO)膜由于其层状结构,强机械强度和强亲水性而被认为是很有前途的分离膜。然而,关于水通过层状GO膜的传输机理的研究很少。在本文中,通过使用自合成的分层GO膜,我们开发并验证了第一个动力学方程来描述水通过分层GO膜的传输。结果表明,膜通量与GO载荷之间的关系是指数函数,水通量随GO载荷的增加而减小。然后,将动力学方程式应用于先前报道的GO分层膜,以进一步验证其适用性。

更新日期:2019-07-02
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