title: Enhancement of biodesulfurization by Pseudomonas delafieldii in a ceramic microsparging aeration system.
abstract: A 700 ml membrane-aerated, stirred glass reactor equipped with four vertical baffles was constructed. Biodesulfurization of model oil (n-dodecane containing dibenzothiophene-DBT) and hydrodesulfurized diesel was carried out using Pseudomonas delafieldii strain R-8. Microbubble aeration gave an activity of 1.3 mg DBT removed g(-1) h(-1) and 277 μg sulfur g(-1) h(-1) for model oil and hydrodesulfurized diesel, respectively. These values were 1.9- and 1.6-times higher than using a traditional bubble aeration process. This is a promising method for the biodesulfurization of petroleum feedstocks.
authors.affiliation: College of Materials Science and Opto-Electronic Technology, Graduate University of Chinese Academy of Sciences, Beijing, China.
authors.forename: Xing
authors.initials: X
authors.lastname: Lin
authors.forename: Huizhou
authors.initials: H
authors.lastname: Liu
authors.forename: Feiyan
authors.initials: F
authors.lastname: Zhu
authors.forename: Xuetuan
authors.initials: X
authors.lastname: Wei
authors.forename: Qiang
authors.initials: Q
authors.lastname: Li
authors.forename: Mingfang
authors.initials: M
authors.lastname: Luo
mesh_terms: D000332:Aerobiosis; D019149:Bioreactors; D002516:Ceramics; D005742:Gasoline; D011549:Pseudomonas / Q000254:growth & development* / Q000378:metabolism*; D013457:Sulfur Compounds / Q000378:metabolism*; D013876:Thiophenes / Q000378:metabolism
chemical_list: D005742:Gasoline; D013457:Sulfur Compounds; D013876:Thiophenes; C016366:dibenzothiophene