期刊
APPLIED AND ENVIRONMENTAL MICROBIOLOGY
卷 72, 期 5, 页码 3733-3737出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AEM.72.5.3733-3737.2006
关键词
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An improved methodology to remove black crusts from stone by using Desulfovibrio vulgaris subsp. vulgaris ATCC 29579, a sulfate-reducing bacterium, is presented. The strain removed 98% of the sulfates of the crust in a 45-h treatment. Precipitation of black iron sulfide was avoided using filtration of a medium devoid of iron. Among three cell carriers, Carbogel proved to be superior to both sepiolite and Hydrobiogel-97, as it allowed an easy application of the bacteria, kept the system in a state where microbial activity was maintained, and allowed easy removal of the cells after the treatment.
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