Fast reaction kinetics of porphyrin dimerization in aqueous solution

1970 ◽  
Vol 92 (11) ◽  
pp. 3312-3316 ◽  
Author(s):  
Radha R. Das ◽  
Robert F. Pasternack ◽  
Robert A. Plane
Keyword(s):  
Aqueous Solution ◽  
Reaction Kinetics ◽  
Fast Reaction ◽  
Kinetics Of

Reaction Kinetics of Simultaneous Removal of SO2 and NO from Flue Gas by NaClO2 Solution

2011 ◽  
Vol 9 (1) ◽  
Author(s):  
Yi Zhao ◽  
Liu Feng ◽  
Guo Tianxiang ◽  
Zhao Yin
Keyword(s):  
Reaction Kinetics ◽  
Flue Gas ◽  
Order Rate Constant ◽  
Simultaneous Removal ◽  
Fast Reaction ◽  
Experimental Conditions ◽  
Slow Reaction ◽  
Reaction Zones ◽  
Kinetics Of ◽  
Removal Of So2

Experiments of simultaneous removal of SO2 and NO from simulated flue gas, using NaClO2 solution as the absorbent, were carried out in a self-designed bubble reactor, and removal efficiencies of 100 percent for SO2 and 95.2 percent for NO were obtained under the optimal experimental conditions. The mechanism of simultaneous removal of SO2 and NO using NaClO2 acid solutions was proposed by analyzing the removal products. The reaction kinetics for simultaneous desulfurization and denitrification were investigated, and the results indicated that the oxidation-absorption processes of SO2 and NO were divided into two zones, as the fast and slow reaction zones. In the slow reaction zones, both were zero order reactions, and in the fast reaction zones, the reaction order, rate constant and activation energy of SO2 removal reaction with absorbent were 1.4, 1.22 (mol L-1)-0.4 s-1 and 66.25 kJ mol-1, respectively, and 2, 3.15×103 (mol L-1)-1 s-1, and 42.50 kJ mol-1 for NO removal reaction, respectively.

Fast reaction kinetics of one-electron transfer in proteins. The histidyl radical. Mode of electron migration

1978 ◽  
Vol 82 (5) ◽  
pp. 508-512 ◽  
Author(s):  
Moshe Faraggi ◽  
Michael H. Klapper ◽  
Leon M. Dorfman
Keyword(s):  
Electron Transfer ◽  
Reaction Kinetics ◽  
Fast Reaction ◽  
Electron Migration ◽  
Kinetics Of
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