New approach to hydrosilylation reaction in ionic liquids as solvent in microreactor system

RSC Advances ◽  
2016 ◽  
Vol 6 (66) ◽  
pp. 61860-61868 ◽  
Author(s):  
R. Kukawka ◽  
A. Pawlowska-Zygarowicz ◽  
M. Dutkiewicz ◽  
H. Maciejewski ◽  
M. Smiglak
Keyword(s):  
Ionic Liquids ◽  
Heat Exchange ◽  
Chemical Synthesis ◽  
Continuous Flow ◽  
New Approach ◽  
Hydrosilylation Reaction ◽  
Micro Scale ◽  
System P ◽  
Flow Through

Continuous flow-through reactors on a micro scale (microreactors) are being investigated as a new approach to chemical synthesis, due to larger surface-to-volume ratios and micro-structured internal volumes, which allow for efficient heat exchange.

3D-printed PEEK reactors and development of a complete continuous flow system for chemical synthesis

2020 ◽  
Vol 5 (7) ◽  
pp. 1300-1310 ◽  
Author(s):  
Florian Menzel ◽  
Thomas Klein ◽  
Thomas Ziegler ◽  
Jochen M. Neumaier
Keyword(s):  
Chemical Synthesis ◽  
Continuous Flow ◽  
Flow System ◽  
Continuous Flow System ◽  
Polyether Ether Ketone ◽  
System P ◽  
3D Printed ◽  
Ether Ketone ◽  
Microfluidic Reactors

This paper presents the development of milli- and microfluidic reactors made of polyether ether ketone (PEEK) and 3D-printed equipment for a complete continuous flow system.

Development and Application of a Fully Automated Continuous Flow Radioimmunoassay System

1977 ◽  
Vol 14 (1-6) ◽  
pp. 1-11 ◽  
Author(s):  
Gordon C. Forrest
Keyword(s):  
Continuous Flow ◽  
Solid Phase ◽  
External Electromagnetic Field ◽  
New Approach ◽  
Flow Through ◽  
Uptake Test ◽  
Covalently Linked ◽  
Carry Over ◽  
Free Antigen ◽  
Gamma Counter

A fully automated, continuous flow radioimmunoassay system is described. The antibodies are covalently linked to a magnetic cellulose solid phase and separation of bound and free antigen is achieved by applying an external electromagnetic field. The bound fraction, after washing, is counted in a flow-through gamma counter chamber. The system, employing AutoAnalyzer modules, is highly reproducible and allows assays to be performed without equilibrium being reached, and only 10 minutes' incubation time is required. The method is universally applicable to the assay of ligands, either protein, hormone, or drug, and for obtaining information about binding proteins. A new approach to the latter has been developed and is illustrated by a fully automated thyroid hormone uptake test which gives better discrimination between normal and pathological states than existing assays. The system operates at 30 samples/h and is characterised by the high precision, speed, and minimal carry-over which can be achieved.

Efficient continuous-flow synthesis of long-chain alkylated naphthalene catalyzed by ionic liquids in a microreaction system

2021 ◽  
Author(s):  
Tian Yang ◽  
Fajun Wang ◽  
Jinpei Huang ◽  
Si Da Ling ◽  
Suli Liu ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Continuous Flow ◽  
Naphthalene Derivatives ◽  
Base Oil ◽  
Flow Synthesis ◽  
System P ◽  
Long Chain

Alkylated naphthalene (AN) is one of the significant naphthalene derivatives that can be used as base oil or additive to meet newly-emerged requirements for lubricants in many fields. In the...

Biosolids Reuse: Continuous Flow-Through Column Testing of Biosolids-Derived Biochar to Sorb Micropollutants

2017 ◽  
Vol 2017 (1) ◽  
pp. 302-305
Author(s):  
L.K Kimbell ◽  
Y Tong ◽  
A Avila ◽  
B. K Mayer ◽  
P. J McNamara
Keyword(s):  
Continuous Flow ◽  
Column Testing ◽  
Flow Through

Functional response of Fucus vesiculosus communities to tributyltin measured in an in situ continuous flow-through system

Hydrobiologia ◽  
1989 ◽  
Vol 188-189 (1) ◽  
pp. 277-283 ◽  
Author(s):  
C. Lindblad ◽  
U. Kautsky ◽  
C. André ◽  
N. Kautsky ◽  
M. Tedengren
Keyword(s):  
Functional Response ◽  
Continuous Flow ◽  
Fucus Vesiculosus ◽  
Flow Through

Novel Lightweight Metal Foam Heat Exchangers

2001 ◽  
Author(s):  
David P. Haack ◽  
Kenneth R. Butcher ◽  
T. Kim ◽  
T. J. Lu
Keyword(s):  
Heat Exchange ◽  
Pore Size ◽  
Heat Exchangers ◽  
Metal Foam ◽  
Heat Removal ◽  
Random Orientation ◽  
Flow Rates ◽  
Small Pore ◽  
Complex Heat Exchange ◽  
Flow Through

Abstract An overview of open cell metal foam materials with application to advanced heat exchange devices is presented. The metal foam materials considered consist of interconnected cells in a random orientation. Metal foam materials, manufacture and fabrication into complex heat exchange components are described. Experiments with flat foam panels brazed to copper sheets shows increasing heat removal effectiveness with decreasing product pore size at equivalent coolant flow rates. However, the high-pressure drop associated with flow through small pore-size material makes the use of larger pore size material more attractive.

A new approach towards simultaneous extraction of individual analytes based on the simultaneous application of multiple magnetic sorbents

2020 ◽  
Vol 35 (12) ◽  
pp. 2974-2981
Author(s):  
Mohammad Reza Fattahi Bafghi ◽  
Shayessteh Dadfarnia ◽  
Ali Mohammad Haji Shabani ◽  
Elahe Kazemi ◽  
Mahnaz Nozohour Yazdi
Keyword(s):  
Automated System ◽  
Simultaneous Application ◽  
New Approach ◽  
Simultaneous Extraction ◽  
Magnetic Sorbents ◽  
System P

This paper reports a new approach for the simultaneous extraction of individual analytes based on the simultaneous application of multiple magnetic sorbents using a simple automated system.

Soft, Wet-Chemical Synthesis of Metastable Superparamagnetic Hexagonal Close-Packed Nickel Nanoparticles in Different Ionic Liquids

2017 ◽  
Vol 23 (26) ◽  
pp. 6330-6340 ◽  
Author(s):  
Susann Wegner ◽  
Christina Rutz ◽  
Kai Schütte ◽  
Juri Barthel ◽  
Alexey Bushmelev ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Chemical Synthesis ◽  
Nickel Nanoparticles ◽  
Wet Chemical Synthesis ◽  
Hexagonal Close Packed ◽  
Wet Chemical

scholarly journals Polarizability-dependent Sorting of Microparticles Using Continuous-flow Dielectrophoretic Chromatography with a Frequency Modulation Method

2019 ◽  
Author(s):  
Jasper Giesler ◽  
Georg R. Pesch ◽  
Laura Weirauch ◽  
Marc-Peter Schmidt ◽  
Jorg Thöming ◽  
...  
Keyword(s):  
Chromatographic Separation ◽  
Continuous Flow ◽  
Research Field ◽  
Modulation Method ◽  
Particle Sizes ◽  
Frequency Bandwidth ◽  
New Approach ◽  
Particle Properties ◽  
Multiple Particle ◽  
Multiple Trap And Release

The separation of microparticles with respect to different properties such as size and material is a research field of great interest. Dielectrophoresis, a phenomenon which is capable of addressing multiple particle properties at once, can be used to perform a chromatographic separation. However, the selectivity of current dielectrophoretic particle chromatography (DPC) techniques is limited. Here we show a new approach for DPC based on differences in the dielectrophoretic mobilities and the crossover frequencies of polystyrene particles. Both differences are addressed by modulating the frequency of the electric field to generate positive and negative dielectrophoretic movement to achieve multiple trap and release cycles of the particles. A chromatographic separation of different particle sizes revealed a voltage dependency of this method. Additionally, we showed the frequency bandwidth influence on separation using one example. The DPC method developed was tested with model particles but offers possibilities to separate a broad range of plastic and metal microparticles or cells and to overcome currently existing limitations in selectivity.

Development of a 2-D CFD Approach for Computing 3-D Honeycomb Labyrinth Leakage

2003 ◽  
Author(s):  
Dong-Chun Choi ◽  
David L. Rhode
Keyword(s):  
Labyrinth Seal ◽  
Algebraic Model ◽  
Operating Conditions ◽  
Cfd Model ◽  
Resource Requirement ◽  
New Approach ◽  
Computer Resource ◽  
Flow Through ◽  
D Model ◽  
Model Approach

A new approach for employing a 2-D CFD model to approximately compute a 3-D flow field such as that in a honeycomb labyrinth seal was developed. The advantage of this approach is that it greatly reduces the computer resource requirement needed to obtain a solution of the leakage for the 3-D flow through a honeycomb labyrinth. After the leakage through the stepped labyrinth seal was measured, it was used in numerically determining the value of one dimension (DTF1) of the simplified geometry 2-D approximate CFD model. Then the capability of the 2-D model approach was demonstrated by using it to compute the 3-D flow that had been measured at different operating conditions, and in some cases different distance to contact values. It was found that very close agreement with measurements was obtained in all cases, except for that of intermediate clearance and distance to contact for two sets of upstream and downstream pressure. The 2-D approach developed here offers interesting benefits relative to conventional algebraic-equation models, particularly for evaluating labyrinth geometries/operating conditions that are different from that of the data employed in developing the algebraic model.

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