Mechanisms of Pyrite Formation Promoted by Sulfate-Reducing Bacteria in Pure Culture
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چکیده
منابع مشابه
Sulfate-reducing bacteria methylate mercury at variable rates in pure culture and in marine sediments.
Differences in methylmercury (CH(3)Hg) production normalized to the sulfate reduction rate (SRR) in various species of sulfate-reducing bacteria (SRB) were quantified in pure cultures and in marine sediment slurries in order to determine if SRB strains which differ phylogenetically methylate mercury (Hg) at similar rates. Cultures representing five genera of the SRB (Desulfovibrio desulfuricans...
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The colony formation of sulfate-reducing bacteria, Desulfovibrio desulfuricans and Desulfotomaculum orientis, on agar plates well fitted the theoretical curve of the FOR model proposed by Hattori (1985) The estimates of A for both strains dropped from 5 to I day-1 with cultivation in a liquid medium or starvation in a buffer solution, while that of tr was not affected so much The estimates of h...
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the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
15 صفحه اولSimultaneous Electricity Generation and Sulfur Removal by Electrogenic Sulfate Reducing Bacteria in BES System
The modern BioElectrochemical technologies can convert the energy stored in the chemical bonds of biodegradable organic materials to renewable electrical energy through the catalytic reactions of microorganisms while treating the waste waters. The present research was conducted to evaluate the efficiency of a single-chamber Bioelectrochemical system with the carbon aerogel catalyst, as a simple...
متن کاملLeaching of pyrite by acidophilic heterotrophic iron-oxidizing bacteria in pure and mixed cultures.
Seven strains of heterotrophic iron-oxidizing acidophilic bacteria were examined to determine their abilities to promote oxidative dissolution of pyrite (FeS2) when they were grown in pure cultures and in mixed cultures with sulfur-oxidizing Thiobacillus spp. Only one of the isolates (strain T-24) oxidized pyrite when it was grown in pyrite-basal salts medium. However, when pyrite-containing cu...
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ژورنال
عنوان ژورنال: Frontiers in Earth Science
سال: 2020
ISSN: 2296-6463
DOI: 10.3389/feart.2020.588310