Robust and Durable Superhydrophobic Polyurethane Sponge for Oil/Water Separation

Luhong Zhang†‡, Lidong Xu†‡, Yongli Sun†‡, and Na Yang*† †School of Chemical Engineering and Technology and ‡Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, People’s Republic of China Abstract With the purpose of purging and recycling oil and organic solvent from a water surface, a superhydrophobic polyurethane (PU) sponge was fabricated through a combined method Read More …

Computational fluid dynamics and experimental validation of hydrodynamics of ripple tray

NaYang. RongyaZhang, BinJiang, ZhongtaoLia’ LuhongZhanga, YongliSuna School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China National Engineering Research Center for Distillation Technology, Tianjin University, Tianjin 300072, China Tianjin Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China Highlights The hydrodynamics of ripple tray was studied through numerical simulation based on SST turbulence model. Good agreement was Read More …

Hydrodynamics and mass transfer performance of vapor–liquid flow of orthogonal wave tray column

LuhongZhang, ZhijieLi, NaYang, BinJiang, HaifengCong, ZhihengZhang School of Chemical Engineering and Technology, Tianjin University, Tianjin, P. R. China Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin, P. R. China National Engineering Research Center of Distillation Technology, Tianjin University, Tianjin, P. R. China Highlights A novel dual-flow orthogonal wave tray was developed. Hydrodynamics and mass-transfer performance of vapor–liquid Read More …

Numerical simulation of the flue gas side of refining vacuum furnace using CFD

XuegangLi, LuhongZhang, YongliSun, BinJiang, XingangLi, JunWang 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 National Engineering Research Centre of Distillation Technology, Tianjin University, Tianjin 300072, People׳s Republic of China Highlights A 3-D CFD model was developed for Read More …

Numerical investigation of flow and heat transfer in a novel configuration multi-tubular fixed bed reactor for propylene to acrolein process

Bin Jiang, Li Hao, Luhong Zhang,Yongli Sun, Xiaoming Xiao 1.School of Chemical Engineering and TechnologyTianjin UniversityTianjinPeople’s Republic of China 2.National Engineering Research Center of Distillation TechnologyTianjin UniversityTianjinPeople’s Republic of China Abstract In the present contribution, a numerical study of fluid flow and heat transfer performance in a pilot-scale multi-tubular fixed bed reactor for propylene to acrolein oxidation reaction is presented Read More …

Computational Fluid Dynamics Modeling of Hydrodynamics of a New Type of Fixed Valve Tray

Xingang Li†‡, Na Yang†, Yongli Sun*†‡, Luhong Zhang†, Xuegang Li†, and Bin Jiang†‡ †School of Chemical Engineering and Technology, and ‡National Engineering Research Centre of Distillation Technology, Tianjin University, Tianjin 300072, People’s Republic of China Abstract A three-dimensional computational fluid dynamics (CFD) model was developed to predict the hydrodynamics of a new type of fixed valve tray. The model considered Read More …

Multiscale Simulation and Experimental Study of Novel SiC Structured Packings

Xingang Li†‡, Guohua Gao†, Luhong Zhang*†, Hong Sui†‡, Hong Li†‡, Xin Gao†, Zhenming Yang§, Chong Tian§, and Jinsong Zhang§ † School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People’s Republic of China ‡ National Engineering Research Centre of Distillation Technology, Tianjin 300072, People’s Republic of China § Institute of Metal Research, Chinese Academy of Sciences (CAS), 72 Wenhua Read More …

CFD Simulation of the Gas-Liquid Flow on the Ripple Tray

Bin Jiang, Zhongtao Li,Luhong Zhang School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People’s Republic of China‡ National Engineering Research Centre of Distillation Technology, Tianjin 300072, People’s Republic of China Abstract: The ripple tray is a sieve tray without downcomers, in which the liquid contacts with the upward gas counter-currently. The hydrodynamics performance in ripple tray columns was Read More …

The CFD Study of Velocity of Tubes and Power Consumption in the Tank

Bin Jiang,Chun Ge,Luhong Zhang School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People’s Republic of China‡ National Engineering Research Centre of Distillation Technology, Tianjin 300072, People’s Republic of China Abstract: The project is aimed at describing the mixing phenomena of the new reactor. The solide catalyst deposit on the surface of tubes which affect the flux of the Read More …

CFD Simulation of Gas Fluid Flow in a Rotating Zigzag Bed

Bin Jiang, Yanan Zhang, Luhong Zhang, Rong Zhang School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People’s Republic of China‡ National Engineering Research Centre of Distillation Technology, Tianjin 300072, People’s Republic of China Abstract: A novel kind of high gravity device-rotating zigzag bed (RZB) was developed. The RZB is a kind of high efficiency gas-liquid contactor and a Read More …