Document Detail


Anaerobic desulfurization of ground rubber with the thermophilic archaeon Pyrococcus furiosus--a new method for rubber recycling.
MedLine Citation:
PMID:  11234957     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The anaerobic sulfur-reducing archaeon Pyrococcus furiosus was investigated regarding its capacity to desulfurize rubber material. The microorganism's sensitivity towards common rubber elastomers and additives was tested and several were shown to be toxic to P. furiosus. The microorganism was shown to utilize sulfur in vulcanized natural rubber and an increase in cell density was obtained when cultivated in the presence of spent tire rubber. Ethanol-leached cryo-ground tire rubber treated with P. furiosus for 10 days was vulcanized together with virgin rubber material (15% w/w) and the mechanical properties of the resulting material were determined. The increase in the stress at break value and the decrease in swell ratio and stress relaxation rate obtained for material containing microbially treated rubber (compared to untreated material) show the positive effects of microbial desulfurization on rubber.
Authors:
K Bredberg; J Persson; M Christiansson; B Stenberg; O Holst
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Applied microbiology and biotechnology     Volume:  55     ISSN:  0175-7598     ISO Abbreviation:  Appl. Microbiol. Biotechnol.     Publication Date:  2001 Jan 
Date Detail:
Created Date:  2001-03-07     Completed Date:  2001-07-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8406612     Medline TA:  Appl Microbiol Biotechnol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  43-8     Citation Subset:  IM    
Affiliation:
Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, Sweden. katarina.bredberg@biotek.lu.se
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MeSH Terms
Descriptor/Qualifier:
Biotechnology / methods*
Industrial Waste / adverse effects,  analysis
Pyrococcus furiosus / growth & development,  metabolism*
Refuse Disposal / methods*
Rubber / chemistry,  metabolism*
Sulfur / metabolism*
Chemical
Reg. No./Substance:
0/Industrial Waste; 7704-34-9/Sulfur; 9006-04-6/Rubber

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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