当前位置: X-MOL 学术Korean J. Chem. Eng. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Removal of boron from industrial wastewater using PVP/PVDF blend membrane and GO/PVP/PVDF hybrid membrane by pervaporation
Korean Journal of Chemical Engineering ( IF 2.7 ) Pub Date : 2021-07-30 , DOI: 10.1007/s11814-021-0845-x
Mehtap Ozekmekci 1 , Derya Unlu 1 , Mehmet Copur 1
Affiliation  

Removal of boron from water is a significant issue worldwide. Boron levels in waters containing high concentrations should be kept under control. Boron removal from the industrial wastewater released from Eti Mine Boron plants was investigated by using blend and hybrid membranes in a laboratory-scale pervaporation system. Polyvinylpyrrolidone/Polyvinylidene fluoride blend membrane and Graphene oxide/Polyvinylpyrrolidone/Polyvinylidene fluoride hybrid membranes were synthesized for this process. The membranes were characterized by using scanning electron microscopy, Fourier transform infrared, X-ray diffraction and contact angle measurements. Separation performance was evaluated in terms of flux, removal ratio of boron, and boron concentration in permeate within the membrane. Membranes showed higher separation performance in industrial wastewater. The highest boron removal was obtained as 99.86% with a flux of 0.755 kg/m2h when the 8 wt% graphene oxide loaded hybrid membrane was used. This study indicates that the Polyvinylpyrrolidone and Graphene oxide addition improved the membrane features and separation performances of the pervaporation process with improved hydrophilic membrane features can be preferred as an innovative water treatment method for the removal of boron from industrial wastewater. The obtained results show that pervaporation can be readily adapted to the removal of boron species by appropriate membrane selection.



中文翻译:

使用PVP/PVDF混合膜和GO/PVP/PVDF混合膜渗透蒸发去除工业废水中的硼

从水中去除硼是世界范围内的一个重要问题。应控制高浓度水中的硼含量。通过在实验室规模的渗透蒸发系统中使用混合膜和混合膜,研究了从 Eti Mine 硼工厂排放的工业废水中去除硼。为该工艺合成了聚乙烯吡咯烷酮/聚偏二氟乙烯混合膜和氧化石墨烯/聚乙烯吡咯烷酮/聚偏二氟乙烯混合膜。通过使用扫描电子显微镜、傅里叶变换红外、X 射线衍射和接触角测量来表征膜。根据通量、硼的去除率和膜内渗透液中的硼浓度来评估分离性能。膜在工业废水中表现出更高的分离性能。当使用 8 wt% 氧化石墨烯负载的混合膜时2小时。该研究表明,聚乙烯吡咯烷酮和氧化石墨烯的添加改善了渗透蒸发过程的膜特性和分离性能,具有改善的亲水膜特性,可作为一种创新的水处理方法,用于去除工业废水中的硼。获得的结果表明,通过适当的膜选择,渗透蒸发可以很容易地适应去除硼物质。

更新日期:2021-07-30
down
wechat
bug