Kinetics of formation at 800°C of ‘Cu&lt;SUB&gt;2&lt;/SUB&gt;S’ on copper under gases containing H&lt;SUB&gt;2&lt;/SUB&gt;S

Sick, Georg; Schwerdtfeger, Klaus

doi:10.1179/026708386790123486

Cited by 7 publications

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Kinetics of desulfurization of hydrogen sulfide using metallic copper as a desulfurizer

Chen

Hepler

1991

Can J Chem Eng

View full text Add to dashboard Cite

The kinetics of desulfurization of hydrogen sulfide, using metallic copper as desulfurizer, have been investigated over a range of temperatures and pressures of hydrogen sulfide. Our results indicate that there are two stages of reaction; activation energies for the first and second stages are 63 kJ/mol and 38 kJ/mol, respectively. Possible reaction mechanisms in which the initial rate is controlled by interface reaction and the later stage is controlled by diffusion through or in the Cu,S layer are consistent with the experimental data. ~~~ ~_ _On a 6tudiC la cinCtique de desulfuration de I'hydrogkne sulfur6 avec du cuivre mktallique comme agent de dksulfuration dans une gamme de temperatures et de pressions d'hydrogkne sulfur& Les resultats indiquent qu'il y a deux Ctapes de reaction: les energies d'activation pour les premikre et deuxikme Ctapes sont de 63 kJ/mol et de 38 kJ/mol, respectivement. Les mtcanismes de rkaction possibles, dans lesquels la vitesse initiale est contrBlCe par la rtaction a l'interface et 1'Ctape ultkrieure par la diffusion a travers ou dans la couche de Cu,S, concordent avec les donnees experimentales.

show abstract