Garnierite: A new support for hydrodesulfurization catalysts

A Venezuelan garnierite sample from “Loma de Níquel” mine was treated with acid solutions of different concentrations. This method allowed an increase of BET surface area and a partial removal of Ni according to the acid concentration. The resulting solids were impregnated with Mo and their activity...

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Bibliographic Details
Published inMaterials letters Vol. 131; pp. 269 - 271
Main Authors Linares, Carlos F., Acuña, Gabriela, Pérez, Freyder, Ocanto, Freddy, Corao, Carolina, Betancourt, Paulino, Brito, Joaquin L.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.09.2014
Subjects
Acid treatment
Catalysis
Catalysts
Garnierite
Mines
Nickel
Surface area
Thiophene reaction
Thiophenes
Acid treatment
Thiophene reaction
Garnierite
Ni
Surface area
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Summary:A Venezuelan garnierite sample from “Loma de Níquel” mine was treated with acid solutions of different concentrations. This method allowed an increase of BET surface area and a partial removal of Ni according to the acid concentration. The resulting solids were impregnated with Mo and their activity was tested in the thiophene hydrodesulfuration reaction. It was found that an increase of the surface area is positive for using garnierite sample in HDS reaction as long as the Ni removal was not excessive. [Display omitted] •Venezuelan garnierite.•Increasing of BET surface area and a partial removal of Ni according to the sulfuric acid concentration.•A maximum point was determined among the thiophene conversion and BET surface area of Mo/garnierite samples.•An optimum activation determined with 1.0M H2SO4 resulted in about 4% Ni removal and a BET surface area of about 60m2/g.
Bibliography:ObjectType-Article-1
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ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2014.05.190