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Kinetics of thermal, non-catalytic decomposition of hydrogen sulphide
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1989
(EN)
EKT historical period
Title
Kinetics of thermal, non-catalytic decomposition of hydrogen sulphide (EN)
Creator
Papayannakos, N (EN)
Kaloidas, V (EN)
Description
The reaction kinetics of the thermal, non-catalytic decomposition of H2S in a non-isothermal flow reactor was studied at pressures of 1.3-3.0 atm, temperatures of 600-800°C, and specific flow rates of 3.4 × 10-4-3.6 × 10-3 mol/(cm2s). The effects of the temperature, pressure and space velocity on the conversion and reaction rates were investigated. The overall kinetics of the process are considered as the difference of the rates of the forward reaction of H2S decomposition and the reverse reaction of H2S synthesis from hydrogen and sulphur. Activation energies of 46.8 and 25.1 kcal/mol were yielded for the decomposition and synthesis of H2S, respectively. A free-radical mechanism has been suggested to explain the decomposition paths, on the basis of the results of this study. © 1989. (EN)
Type
journalArticle (EN)
Subject
Engineering, Chemical (EN)
Chemical Reactions--Reaction Kinetics (EN)
Non-Isothermal Reactor Model (EN)
Chemical Equipment--Reactors (EN)
Hydrogen Sulfide (EN)
Flow Reactor (EN)
Hydrogen Sulphide (EN)
Kinetics (EN)
Plug-Flow Reactor (EN)
Free-Radical Mechanism (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
Chemical Engineering Science (EN)
Language
English
Issued
1989 (EN)
Identifier
http://hdl.handle.net/123456789/10038
44 (EN)
11 (EN)
10.1016/0009-2509(89)85193-0 (EN)
2500 (EN)
ISI:A1989CA66600007 (EN)
2493 (EN)
0009-2509 (EN)
Publisher
PERGAMON-ELSEVIER SCIENCE LTD (EN)
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