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Deep desulfurization of diesel by integrating adsorption and microbial method

Paper ID Volume ID Publish Year Pages File Format Full-Text
4283 218 2009 5 PDF Available
Title
Deep desulfurization of diesel by integrating adsorption and microbial method
Abstract

Aiming for the deep desulfurization of diesel, a novel adsorption–bioregeneration system was constructed by combining adsorption and biodesulfurization processes. The sequence of adsorption capacity of DBT (dibenzothiophene) is AC (activated carbon) > NiY > AgY > alumina > 13X. The sequence of selectivity of DBT toward naphthalene is NiY > AgY > alumina ≈ 13X > AC. For hydrotreated diesel, MAS (mesoporous aluminosilicates) showed high adsorption capacity, while MCM-41 and NaY showed low adsorption capacity. The bioregeneration process of these adsorbents was also carried out with P. delafieldii R-8 cells. Adding P. delafieldii R-8 cells can improve DBT desorption from adsorbents. The desorption of DBT from adsorbents by bioregeneration follows the sequence: 13X > alumina > AgY > NiY > AC. Ag-MAS can be completely regenerated in in situ adsorption–bioregeneration system.

Keywords
Desulfurization; Adsorption; P. delafieldii R-8; Bioregeneration; Hydrotreated diesel; Integrating
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 44, Issues 2–3, 15 May 2009, Pages 297–301
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us