NDLI: Long-term repeated biodesulfurization by immobilized Rhodococcus erythropolis KA2-5-1 cells

Content Provider	Springer Nature Link
Author	Naito, Manabu Kawamoto, Takuo Fuji, Kazuhito Kobayashi, Morio Maruhashi, Kenji Tanaka, Atsuo
Copyright Year	2001
Abstract	In this study, biodesulfurization (BDS) was carried out using immobilized Rhodococcus erythropolis KA2-5-1 in n-tetradecane containing dibenzothiophene (DBT) as a model oil (n-tetradecane/immobilized cell biphasic system). The cells were immobilized by entrapping them with calcium alginate, agar, photo-crosslinkable resin prepolymers (ENT-4000 and ENTP-4000), and urethane prepolymers (PU-3 and PU-6); and it was found that ENT-4000-immobilized cells had the highest DBT desulfurization activity in the model oil system without leakage of cells from the support. Furthermore, ENT-4000-immobilized cells could catalyze BDS repeatedly in this system for more than 900 h with reactivation; and recovery of both the biocatalyst and the desulfurized model oil was easy. This study would give a solution to the problems in BDS, such as the troublesome process of recovering desulfurized oil and the short life of BDS biocatalysts.
Starting Page	374
Ending Page	378
Page Count	5
File Format	PDF
ISSN	01757598
Journal	Applied Microbiology and Biotechnology
Volume Number	55
Issue Number	3
e-ISSN	14320614
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-02-15
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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Long-term repeated biodesulfurization by immobilized Rhodococcus erythropolis KA2-5-1 cells