Bioinspired Graphene Oxide Membranes with Dual Transport Mechanisms for Precise Molecular Separation

Haozhen Dou; Mi Xu; Bin Jiang; Guobin Wen; Lei Zhao; Baoyu Wang; Aiping Yu; Zhengyu Bai; Yongli Sun; Luhong Zhang; Zhongwei Chen; Zhongyi Jiang; School of Chemical Engineering and Technology Tianjin University Tianjin 300350, China Department of Chemical Engineering University of Waterloo 200 University Ave. W, Waterloo, Ontario N2L 3G1, Canada School of Chemical Engineering and Food Science Zhengzhou Institute Read More …

Low-pressure electroneutral loose nanofiltration membranes with polyphenol-inspired coatings for effective dye/divalent salt separation

NaZhang, BinJiang, LuhongZhang*, ZhaoheHuang, YongliSun, YingZong, HaimingZhang School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China Highlights Electroneutral loose NF membranes were facilely fabricated by co-deposition of EGCg and PEI. The influence of different molecular weights of PEI on the fabricated membranes was investigated. The membranes exhibited excellent rejection for dyes and superior permeation for divalent salts. Read More …

Supported ionic liquid membranes with high carrier efficiency via strong hydrogen-bond basicity for the sustainable and effective olefin/paraffin separation

HaozhenDou, BinJiang, MiXu, JunhanZhou, YongliSun, LuhongZhang* School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People’s Republic of China Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, People’s Republic of China Highlights Supported ionic liquid membranes (SILMs) with high carrier efficiency were designed and fabricated. The strong hydrogen-bond basicity of AILs greatly increased the Read More …

Enhanced separation performance of PES ultrafiltration membranes by imidazole-based deep eutectic solvents as novel functional additives

BinJiang, NaZhang, LuhongZhang, YongliSun, ZhaoheHuang, BaoyuWang, HaozhenDou, HongfangGuan School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China School of Chemical Engineering and Food Science, Zhengzhou Institute of Technology, Zhengzhou 450044, PR China Highlights Imidazole-based deep eutectic solvents were employed as functional additives. PES membranes with excellent water flux and high protein rejection were obtained. The effects of Read More …

Novel supported liquid membranes based on deep eutectic solvents for olefin-paraffin separation via facilitated transport

BinJiang, HaozhenDou, LuhongZhang, BaoyuWang, YongliSun, HuaweiYang, ZhaoheHuang, HanrongBi School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China Highlights Deep eutectic solvents were firstly employed to fabricate the supported liquid membranes. Cu(I)-containing anionic species effectively facilitated the transport of ethylene. Hydrogen-bond interactions activated and stabilized the Cu(I)-containing anionic species. CuCl/DES-SLMs exhibited the comparable permeability and high selectivity. Abstract Deep Read More …

Improvement of antifouling performance of poly(l‐lactic acid) membranes through incorporating polyaniline nanoparticles

Bin Jiang, Baoyu Wang, Luhong Zhang, Yongli Sun, Xiaoming Xiao, Na Yang, Haozhen Dou School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China ABSTRACT Poly(L-lactic acid) (PLLA) composite membranes were fabricated by nonsolvent induced phase separation method using polyaniline (PANI) as an additive. Membrane structure was characterized Read More …

Effect of Tween 80 on morphology and performance of poly(L-lactic acid) ultrafiltration membranes

Bin Jiang, Baoyu Wang, Luhong Zhang, Yongli Sun , Xiaoming Xiao , Na Yang , Haozhen Dou School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China ABSTRACT Poly(L‐lactic acid) (PLLA) ultrafiltration (UF) membrane was fabricated by immersion precipitation method using Tween 80 as an additive. Membrane structure Read More …