C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 1/20 (2006.01) B03B 9/04 (2006.01) C12N 11/14 (2006.01) C12P 3/00 (2006.01) C12S 1/00 (2006.01) C22B 3/18 (2006.01) A62D 3/00 (2006.01)
Patent
CA 2054932
Metal oxides are extracted from coal fly ash by a bio-leading process. The ash is suspended in an aqueous saline solution having a pH within the range of from 5 to 8 and the suspension is incubated with a microorganism strain capable of growing in aqueous saline solution and binding to metal oxide, and the resulting agglomerates are separated. A new gram-positive bacterial strain designated GIN-1 and being a member of the genus Rhodococcus is described. It has been deposited under No. 40340 at the National Collections of Industrial and Marine Bacterial Ltd. (NCIMB) at Aberdeen, Scotland. GIN-1 is particularly suitable for the bioteching of metal oxides from coal fly ash.
es oxydes métalliques sont extraits des cendres volantes du charbon au moyen d'un procédé de lixiviation biologique. Les cendres sont en suspension dans une solution aqueuse saline dont le pH va de 5 à 8 et la suspension est incubée en présence d'une souche de micro-organismes pouvant croître dans la solution aqueuse saline et se fixer à l'oxyde métallique, et les agglomérats qui en résultent sont décomposés. Une nouvelle souche de bactéries Gram positif appelée GIN-1 et faisant partie du genre Rhodococcus est décrite. Elle a été déposée sous le numéro 40340 à la National Collections of Industrial and Marine Bacterial Ltd. (NCIMB), à Aberdeen, en Écosse. La GIN-1 est particulièrement adaptée à la lixiviation biologique des oxydes métalliques à partir des centres volantes du charbon.
Fleming Joseph
Fleminger Gideon
Shabtai Joseph
Israel Electric Corporation Ltd. (the)
Swabey Ogilvy Renault
LandOfFree
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