Lead biosorption by waste biomass of Corynebacterium glutamicum generated from lysine fermentation process.
Biotechnol Lett
; 26(4): 331-6, 2004 Feb.
Article
em En
| MEDLINE
| ID: mdl-15055771
ABSTRACT
Biomass waste, mainly Corynebacterium glutamicum, is generated from large-scale lysine fermentation process. In this study, protonated C. glutamicum biomass was evaluated as a biosorbent for the removal of lead from synthetic wastewater. As Pb2+ were bound to the biomass, the solution pH deceased, indicating that protons in the biomass were exchanged with lead ions. The Corynebacterium biomass bound Pb2+ at up to 2.74 mmol g(-1) at pH 5, where lead does not precipitate. Compared with other biosorbents and conventional sorbents, such as natural zeolite, activated carbon and synthetic ion exchange resin, the protonated C. glutamicum biomass was considered to be a useful biomaterial for lead biosorption.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Corynebacterium
/
Chumbo
/
Lisina
Idioma:
En
Revista:
Biotechnol Lett
Ano de publicação:
2004
Tipo de documento:
Article
País de publicação:
HOLANDA
/
HOLLAND
/
NETHERLANDS
/
NL
/
PAISES BAJOS
/
THE NETHERLANDS