Extraction of aluminum from fly-ash by commercial and microbiologically-produced citric acid
Identifieur interne : 002967 ( Main/Exploration ); précédent : 002966; suivant : 002968Extraction of aluminum from fly-ash by commercial and microbiologically-produced citric acid
Auteurs : A. Singer [Israël] ; J. Navrot [Israël] ; R. Shapira [Israël]Source :
- European journal of applied microbiology and biotechnology [ 0171-1741 ] ; 1982-12-01.
Abstract
Summary: Aluminum extraction from two aluminum-rich fly-ashes by commercial and microbiologically-produced citric acids was tested. Up to 12% Al2O3 of the total was extracted by a 21 hrs1 shaking treatment at 60° C. Extraction efficiency is considerably affected by extracting acid concentration and extraction temperature. The extraction efficiency of microbiologically-produced citric acids was only slightly lower than that of commercial citric acid of equal molarity.
Url:
DOI: 10.1007/BF00505838
Affiliations:
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