Desulfurization of Heptane Solutions of Organic Sulfur Compounds

Meadow, J. R.; White, Thomas A.

doi:10.1021/ie50485a045

Search citation statements

Order By: Relevance

Paper Sections

Select...

Discussion1

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2005

Publication Types

Select...

Article1

Relationship

Self Cite0

Independent1

Authors

Journals

Cited by 1 publication

(1 citation statement)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The reaction of sulfide species with concentrated sulfuric acid was previously reported by Meadow et al, 17,18 who attributed the desulfurization effect to NO 2 additives in small quantities of H 2 SO 4 . However, their analysis method could not distinguish between sulfoxides and other oxidized sulfur species present in the hydrocarbon phase and unreacted sulfide, nor did they report the reduction of sulfuric acid.…”

Section: Discussionmentioning

confidence: 61%

Oxidation of Aliphatic and Aromatic Sulfides Using Sulfuric Acid

Nehlsen

Benziger

Kevrekidis

2005

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

Sulfuric acid is proposed as an inexpensive oxidant for use in the oxidative desulfurization (ODS) of petroleum. The oxidative extraction of thiophene, tetrahydrothiophene, and dibutyl sulfide by concentrated sulfuric acid in a two-liquid-phase reactor is demonstrated. The reaction proceeds rapidly at room temperature at sulfide concentrations greater than ∼100 ppm S and yields sulfoxides, sulfonates, and other oxidized sulfur species as products. The oxidized sulfur species are effectively extracted into the acid phase. The reactions are first-order in sulfide at high acid concentrations and first-order in acid at lower acid concentrations. This technique might be able to reduce the load on hydrodesulfurization (HDS) or ODS reactors by pretreating high-sulfur feed streams.

show abstract

Section: Discussionmentioning

confidence: 61%