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| Studies on diffusion properties of alginate gel entrapped with thiobacillus |
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Abstract By non-steady method, the effective diffusivity of ferrous sulphate within alginate calcium gel entrapped with bacteria or not. Experimental results showed that, the effective diffusion coefficient of ferrous sulphate decreased with the increase of alginate concentration, the optimum alginate concentration is2%(W/V). The effect of calcium chloride on the effective diffusivity was neglectable. The incubation of thiobacillus ferrooxidans would pass through 10 hours, and the diffusion coefficient within gel entrapped bacteia was less remarkably than that of ferrous sulphate without entranpped bacteria.
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Received: 21 August 2006
Published: 25 May 2007
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