scholarly journals Determination of styrene hydrogenation surface kinetics through detailed simulation of the hydrogen uptake curve

2019 ◽  
Vol 4 (8) ◽  
pp. 1477-1485 ◽  
Author(s):  
Ilias Stamatiou ◽  
Colin Brennan ◽  
Frans L. Muller
Keyword(s):  
Hydrogen Uptake ◽  
Stirred Tank ◽  
Surface Kinetics ◽  
Uptake Curve ◽  
Tank Reactor ◽  
Dead End ◽  
Three Phase ◽  
Detailed Simulation ◽  
Styrene Hydrogenation

The styrene hydrogenation over Pd/C in a three-phase dead-end stirred tank reactor has been simulated without neglecting the mass transfer effects.

scholarly journals Analytical applications of oscillatory chemical reactions: Determination of some pharmaceuticaly and biologically important compounds

2012 ◽  
Vol 66 (2) ◽  
pp. 153-164 ◽  
Author(s):  
Natasa Pejic ◽  
Slobodan Anic ◽  
Ljiljana Kolar-Anic
Keyword(s):  
Chemical Reactions ◽  
Stirred Tank ◽  
Analyte Concentration ◽  
Tank Reactor ◽  
The Past ◽  
Quantitative Characteristics ◽  
Oscillatory Chemical ◽  
Kinetics Of ◽  
Made In

Novel analytical methods for quantitive determination of analytes based on perturbations of oscillatory chemical reactions realized under open reactor conditions (continuosly fed well stirred tank reactor, CSTR), have been developed in the past twenty years. The proposed kinetic methods are generally based on the ability of the analyzed substances to change the kinetics of the chemical reactions matrix. The unambiguous correlation of quantitative characteristics of perturbations, and the amount (concentration) of analyte expressed as a regression equation, or its graphics (calibration curve), enable the determination of the unknown analyte concentration. Attention is given to the development of these methods because of their simple experimental procedures, broad range of linear regression ( 10-7 10-4 mol L-1) and low limits of detection of analytes ( 10-6 10-8 mol L1, in some cases even lower than 10-12 mol L-1). Therefore, their application is very convenient for routine analysis of various inorganic and organic compounds as well as gases. This review summarizes progress made in the past 5 years on quantitative determination of pharmaceutically and biologically important compounds.

Enzymatic production of cellulose nanofibers and sugars in a stirred-tank reactor: determination of impeller speed, power consumption, and rheological behavior

Cellulose ◽  
2018 ◽  
Vol 25 (8) ◽  
pp. 4499-4511 ◽  
Author(s):  
Thalita J. Bondancia ◽  
Luciano J. Corrêa ◽  
Antonio J. G. Cruz ◽  
Alberto C. Badino ◽  
Luiz Henrique C. Mattoso ◽  
...  
Keyword(s):  
Power Consumption ◽  
Rheological Behavior ◽  
Cellulose Nanofibers ◽  
Stirred Tank ◽  
Impeller Speed ◽  
Enzymatic Production ◽  
Stirred Tank Reactor ◽  
Tank Reactor
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