搜索结果: 1-15 共查到“化学工程 liquid”相关记录49条 . 查询时间(0.298 秒)
Synthesis of flower-like porous MgO microspheres via a gas-liquid interfacial reaction
Interfacial reaction Basic magnesium carbonate Hierarchical porous structure MgO Adsorption
2023/6/21
The flower-like porous MgO was obtained via a interfacial reaction following by further calcination. In the interfacial reaction, flower-like basic magnesium carbonate microspheres (precursor) were pr...
Liquid film transport around Taylor bubble in a microchannel with gas cavities
Microchannel Gas-liquid Taylor flow Gas cavity Liquid film
2021/7/8
In Taylor flow, the low velocity in liquid film around the bubbles limits the mass transfer between the bubble body and liquid phase. To overcome this deficiency, a cross-junction Microchannel with ga...
2017年微流体，液体处理和实验室芯片国际会议（Internatonal Conference Microfluidics,Liquid Handling&Lab-on-a-Chip）
2017年 微流体，液体处理和实验室芯片 国际会议
2017/1/10
We, at SELECTBIO, are delighted to announce its highly cherished event Microfluidics, Liquid Handling & Lab-on-a-Chip scheduled to be held on January 18-19, 2017 at Ramada Powai Hotel & Convention Cen...
Aldol condensations of a variety of different aldehydes and ketones under ultrasonic irradiation using poly(N-vinylimidazole) as a new heterogeneous base catalyst under solvent-free conditions in a liquid-solid system Nader Ghaffari Khaligha, Taraneh Mihankhahb（图）
Ultrasound-assisted reaction Liquid-solid system Poly(N-vinylimidazole) Aldol condensation, Solvent-free
2013/12/5
An ultrasound-assisted aldol condensation reaction has been developed for a range of ketones with a variety of aromatic aldehydes using poly(N-vinylimidazole) as a solid base catalyst in a liquid-soli...
Ionic-liquid-catalyzed green synthesis of coumarin derivatives under solvent-free conditions（图）
Ionic liquid Pechmann reaction Solvent-free synthesis Phloroglucinol Pyrano[2,3-h]coumarin
2013/9/16
Brönsted acidic ionic liquids, namely 2-pyrrolidonium hydrogen sulfate, N-methyl-2-pyrrolidonium hydrogen sulfate, N-methyl-2-pyrrolidonium dihydrogen phosphate, (4-sulfobutyl)tris(4-sulfophenyl)...
Rapid conversion of cellulose to 5-hydroxymethylfurfural using single and combined metal chloride catalysts in ionic liquid
Microcrystalline cellulose ionic liquids 5-hydroxyfurfural metal chlorides
2013/2/28
Direct conversion of cellulose into 5-hydroxymethylfurfural (HMF) was performed by using single or combined metal chloride catalysts in 1- ethyl-3-methylimidazolium chloride (Cl) ionic liquid. Our stu...
Solvent-Free Selective Cross-Aldol Condensation of Ketones with Aromatic Aldehydes Efficiently Catalyzed by a Reusable Supported Acidic Ionic Liquid（图）
cross-aldol condensation solvent-free condition supported acidic ionic liquid ketone aromatic aldehyde
2013/1/18
A newly prepared catalyst consisting of acidic ionic liquid 1-(4-sulfonic acid)butylpyridinium hydrogen sulfate supported on silica was used to catalyze the cross-aldol condensation of ketones with ar...
Liquid Phase Hydrogenation of Nitrobenzene over Nickel Supported on Titania（图）
hydrogenation nitrobenzene nickel titania aniline
2012/8/1
The catalytic hydrogenation of nitrobenzene to aniline employing nickel impregnated on rutile, anatase, and high surface area titania supports has been investigated. The nickel is present in elemental...
Liquid Phase Oxidation of Acetophenone over Rice Husk Silica Vanadium Catalyst（图）
vanadium rice husk silica oxidation acetophenone sol-gel technique
2012/3/15
Rice husk silica catalyst loaded with 10 wt% vanadium was synthesized from agricultural biomass via a sol-gel synthetic route at pH = 9. The catalyst was characterized by different physico-chemical me...
Liquid Phase Hydrogenation of Benzalacetophenone: Effect of Solvent, Catalyst Support, Catalytic Metal and Reaction Conditions（图）
chalcone hydrogenation porous glass supported catalyst
2011/8/5
Innovative catalysts based on a “porous glass” support material were developed and investigated for the reduction of benzalacetophenone. The easy preparation conditions and possibility to use differen...
Microwave-Assisted Preparation of CdS Nanoparticles in a Halide-Free Ionic Liquid and Their Photocatalytic Activities（图）
nanoparticle cadmium sulfide room-temperature ionic liquid photocatalysis methylene blue
2011/6/21
A microwave-assisted (4–6 min) method was used for the preparation of CdS nanoparticles in 1-ethyl-3-methylimidazolium ethyl sulfate, a halide-free room-temperature ionic liquid (RTIL). The samples we...
Absorption of Low Concentration Sulfur Dioxide Using Liquid-containing Microporous Membrane
hollow fiber liquid-containing membrane citric acid,low concentration SO2 absorption
2009/11/16
The absorption of low concentration SO2 in flue gas by using the module of liquid-containing microporous membrane which is made up of hollow fiber and citric acid-sodium citrate buffer solution was in...
Computational Fluid Dynamic Simulation of Liquid-Liquid Mixing in a Static Double-T-shaped Micromixer
micromixing microfabrication microreaction
2009/11/16
The laminar flow structure and mixing performance of T-shaped and double-T-shaped micromixers with rectangular cross-section have been investigated using computational fluid dynamic (CFD) simulation. ...
Conductivities of AlCl3/Ionic Liquid Systems and Their Application in Electrodeposition of Aluminium
ionic liquid conductivity electrodeposition of aluminium
2009/11/16
Solubilities and conductivities of anhydrous AlCl3 in six kinds of ionic liquids (ILs) were measured. Among the six kinds of ILs [bmim]Cl, [bmim]Br, [bmim]BF4, [bmim]PF6, [emim][EtSO4] and [bmim][HSO4...
Experimental Investigation of Pressure Drop Hysteresis in a Cocurrent Gas–Liquid Upflow Packed Bed
gas/liquid/solid packed column cocurrent upflow pressure drop hysteresis
2009/11/16
Extensive experimental work on hysteresis in a cocurrent gas–liquid upflow packed bed was carried out with three kinds of packings and the air–water system. However, only when packed with small glass ...