Document Detail


Effective bacterial inactivation and removal of copper by porous ceramics with high surface area.
MedLine Citation:
PMID:  23273049     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In this study, we present porous ceramics combining the antibacterial effect of copper with an integrated copper removal adsorbent. After preparing and characterizing the antibacterial copper-doped microbeads and monoliths (CuBs and CuMs), their antibacterial efficiency is probed against different non-pathogenic and pathogenic bacteria (Bacillus subtilis, Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa). An antibacterial efficiency of 100% is reached within 15 min to 3 h for all tested strains under static conditions. Dynamic tests with B. subtilis and E. coli showed high antibacterial efficiency up to 99.93% even at continuous flux. To avoid any adverse effects on the environment, continuous removal of released copper-ions is accomplished with porous, high surface area monolithic adsorbents (MAds). MAds are prepared similarly to the CuMs but without adding copper during the manufacturing process. MAds reduce the amount of copper released from the CuMs ≥ 99% during the first 15 min, ≥ 90 % up to 2 h, and after 22 h of continuous filtration up to 56% of the released copper is removed.
Authors:
Tanja Yvonne Klein; Julia Wehling; Laura Treccani; Kurosch Rezwan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-30
Journal Detail:
Title:  Environmental science & technology     Volume:  -     ISSN:  1520-5851     ISO Abbreviation:  Environ. Sci. Technol.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0213155     Medline TA:  Environ Sci Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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