Xu Man, Xu Chenxi, Rakesh K P, Cui Yuge, Yin Jun, Chen Changlian, Wang Shulin, Chen Bingcai, Zhu Li
School of Materials Science and Engineering, Wuhan Institute of Technology Wuhan Hubei China 430073
Engineering Research Center of Environmental Materials and Membrane Technology of Hubei Province Wuhan Hubei China 430073.
RSC Adv. 2020 Jan 29;10(8):4832-4839. doi: 10.1039/c9ra06695k. eCollection 2020 Jan 24.
The dry-wetting spinning technique involving immersion-induced phase inversion and dry-sintering was applied to prepare two types of SiC and AlO hollow fiber membranes. The two hollow fiber membranes were characterized in terms of morphology and chemical surface composition by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), water contact angle and zeta potential measurements. The filtration capabilities of the two hollow fiber membranes were assessed by the separation of 200 mg L synthetic (O/W) emulsions. During the treatment of O/W emulsions, the permeation flux of the SiC hollow fiber membrane was 163.9 L h m, which was higher than that of the AlO hollow fiber membrane (139.4 L h m) at the beginning of the experiment. The membrane surface properties and the filtration results of O/W emulsion microfiltration demonstrated that the SiC hollow fiber membranes with a higher hydrophilicity had higher water flux and better anti-fouling properties.
采用涉及浸没诱导相转化和干烧结的干湿纺丝技术制备了两种类型的碳化硅（SiC）和氧化铝（AlO）中空纤维膜。通过扫描电子显微镜（SEM）、X射线光电子能谱（XPS）、水接触角和zeta电位测量等手段，对这两种中空纤维膜的形态和化学表面组成进行了表征。通过分离200 mg/L的合成油包水（O/W）乳液，评估了这两种中空纤维膜的过滤性能。在处理O/W乳液过程中，实验开始时，SiC中空纤维膜的渗透通量为163.9 L·h⁻¹·m⁻²，高于AlO中空纤维膜（139.4 L·h⁻¹·m⁻²）。O/W乳液微滤的膜表面性质和过滤结果表明，具有较高亲水性的SiC中空纤维膜具有更高的水通量和更好的抗污染性能。
