CATEGORY: HYDROTREATMENT
Fuel, Volume 112, October 2013, Pages 338–346
Catalytic hydrotreatment in reverse
microemulsions under microwave irradiation
Lorean Madriz (a), Hermes Carrero (a), José
Ramón Domínguez (b), Ronald Vargas (c), Lenys Fernández (a)
a Universidad Simón Bolívar, Department of Chemistry, Laboratory of
Electroanalysis, Apartado 89000, Caracas 1080A, Venezuela
b Universidad Simón Bolívar, Department of Chemistry, Laboratory of
Spectroscopy, Apartado 89000, Caracas 1080A, Venezuela
c Universidad Simón Bolívar, Department of Chemistry, Laboratory of
Electrochemistry, Apartado 89000, Caracas 1080A, Venezuela
Abstract
Reports a hydrocatalytic
process developed in a reverse microemulsion using microwave irradiation. Researchers
fabricated CoMo/Al2O3 and NiMo/Al2O3,
in the laboratory. They analyzed the effectiveness of the procedure using such model
compounds as nickel (II) phthalocyanine tetrasulfonate tetrasodium salt
(NiPcTSNa4), nickel tetraphenylporphyrin (NiTPP) and thiophene.
They dematallized the first
two model compounds to a percentage around 85% and 60% respectively. Desulfurization
of the latter was greater than 90%. These values are higher than most of the
values reported in the literature for this type of process. In addition, they
applied this catalytic hydrotreating to an actual sample of Venezuelan heavy
oil (Hamaca), achieving high conversion in a relatively short time. The results
show the advantage of using this type of hydrotreating in less extreme conditions
and in a shorter time than that used in other hydrocatalytic procedures.
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