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Rhodococcus erythropolis strain NTU-1 efficiently degrades and traps diesel and crude oil in batch and fed-batch bioreactors

Paper ID Volume ID Publish Year Pages File Format Full-Text
35376 45088 2011 8 PDF Available
Title
Rhodococcus erythropolis strain NTU-1 efficiently degrades and traps diesel and crude oil in batch and fed-batch bioreactors
Abstract

Rhodococcus erythropolis strain NTU-1 degraded C10–C32 n-alkanes in diesel oil or crude oil. While degrading these n-alkanes, NTU-1 also trapped most other oil constitutes that were not degraded in biofloccules. In batch cultures with 10,000 ppmv diesel or crude oil, approximately 90% oil removal was achieved within 4 days (about 30% of biodegradation and 60% of biosorption). In bioreactors with aeration and pH adjustment, an intermittent feed of 42,000 ppmv n-hexadecane resulted in approximately 87% removal within 4 weeks (24% of biodegradation and 63% of biosorption), and an intermittent feed of 35,000 ppmv diesel or crude oil resulted in more than 90% removal within 2 weeks (about 20% of biodegradation and 74% of biosorption). The results demonstrate the feasibility for the application of R. erythropolis strain NTU-1 to the bioremediation of sites polluted with petroleum spills.

Keywords
Rhodococcus erythropolis strain NTU-1; Bioremediation; Crude oil; Diesel; Fed-batch bioreactor; Bioflocculation
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Rhodococcus erythropolis strain NTU-1 efficiently degrades and traps diesel and crude oil in batch and fed-batch bioreactors
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 46, Issue 1, January 2011, Pages 202–209
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