Results 11 to 20 of about 464,475 (215)

Surface Modification of Nanofiltration Membrane Using Poly(vinyl alcohol) and Chitosan-Functionalized Activated Carbon Nanoparticles [PDF]

علوم و تکنولوژی پلیمر, 2021
Hypothesis: A thin film nanofiltration membrane was modified by poly(vinyl alcohol) (PVA) and chitosan-functionalized activated carbon nanoparticles. The effect of a surface layer formed on the structure and separation properties of prepared membranes ...
Mohammad Mirzamohammadi, Samaneh Koudzari Farahani, Fahime Parvizian, Sayed Mohsen Hosseini   +3 more
doaj   +1 more source

Thermal Experimental and Numerical Study on Performance of a Novel Conical Swirl-Vane Steam Separator

Shanghai Jiaotong Daxue xuebao, 2021
A full-scale novel conical swirl-vane steam separator with a conical barrel is studied by test and numerical methods using steam and water as working fluids.
XU Dehui, GU Hanyang, LIU Li, HUANG Chao
doaj   +1 more source

Surface of CuO Nanoparticles Modified by p-Benzoquinone for N₂-Selective Membrane

Membranes, 2022
In this study, CuO nanoparticles and p-benzoquinone (p-BQ) were added to a polyvinylpyrrolidone (PVP) matrix to increase N2/CO2 selectivity. The added p-BQ allowed CuO to be distributed in a uniform size in the PVP/CuO composite membrane and the matrix ...
Juyeong Lee, Hiesang Sohn, Sang Wook Kang   +2 more
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Fabrication and Surface Modification of PES-Based Nanofiltration Membrane Using Polymethyl Methacrylate/Graphene Oxide Nanoplates [PDF]

علوم و تکنولوژی پلیمر, 2023
Hypothesis: first, poly ether sulfone (PES)-based nanofiltration (NF) membranes were prepared through the phase inversion-immersion precipitation technique.
Pejman Asgari, Saba Sohrabnejad, Samaneh Koudzari Farahani, Meysam Soleymani, Sayed Mohsen Hosseini   +4 more
doaj   +1 more source

An Amphiphilic Star-Shaped Polymer (Star-PEG-PCL2) used as a Stationary Phase for GC

Acta Chimica Slovenica, 2023
A star-shaped polymer (Star-PEG-PCL2) was synthesized with PCL and PEG and used as a stationary phase for gas chromatography. The statically coated Star-PEG-PCL2 column exhibited an efficiency of 2260 plates/m determined by naphthalene at 120 °C and ...
Ruo-nan Chen, Zhi-qiang Cai, Wei Zhang, Qiu-chen Huang, Wei Li, Ke-yun Jin, Yi Zhao, Ge Feng, Tao Sun   +8 more
doaj   +1 more source

Effect of the Position of Overflow Pipe with Mixed Spiral Structures on the Separation Performance of Hydrocyclones

Separations, 2023
Overflow pipes are important components of hydrocyclones. The overflow products can carry huge amounts of residual energy when being discharged. In order to take full advantage of the residual energy and enhance hydrocyclone separation performance, this ...
Peikun Liu, Wenxiu Fu, Lanyue Jiang, Xinghua Yang, Yuekan Zhang, Xiaoyu Li, Yulong Zhang   +6 more
doaj   +1 more source

Recent Advanced Development of Acid-Resistant Thin-Film Composite Nanofiltration Membrane Preparation and Separation Performance in Acidic Environments

Separations, 2022
Membrane filtration technology has attracted extensive attention in academia and industry due to its advantages of eco-friendliness related to environmental protection and high efficiency.
Mowen Li, Wenhai Zhang, Xuehong Zhang, Hongxia Guo, Yucang Liang   +4 more
doaj   +1 more source

Evaluation of Inter-Apparatus Separation Method Transferability in Countercurrent Chromatography and Centrifugal Partition Chromatography

Separations, 2019
In the countercurrent chromatography and centrifugal partition chromatography, separation method transfer and scale-up is often described as an easy and straightforward procedure.
Simon Roehrer, Mirjana Minceva
doaj   +1 more source

Influence of Vortex Finder Structure on Separation Performance of Double-Overflow Three-Product Hydrocyclones

Separations, 2021
In view of the difficulty of traditional hydrocyclones to meet the requirements of fine classification, a double-overflow three-product (internal overflow, external overflow and underflow) hydrocyclone was designed in this study. Numerical simulation and
Yuekan Zhang, Jiangbo Ge, Lanyue Jiang, Hui Wang, Junru Yang, Bo Chen   +5 more
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Environmental Friendly Fabrication of Porous Cement Membranes via Reusable Camphene-Based Freeze-Casting Method

Membranes, 2022
Inorganic membranes have been developed rapidly in recent years because of excellent anti-fouling performance, high mechanical strength and outstanding resistances to acid and alkali.
Zhen Wang, Xiaojuan Wang, Zhantong Sun, Xiaofeng Wang, Hongdong Wang, Congjie Gao, Xueli Gao   +6 more
doaj   +1 more source