نتایج جستجو برای: biodesulfurization
تعداد نتایج: 137 فیلتر نتایج به سال:
petroleum-polluted soil samples from ahvaz oilfield were enriched, using three methods to detect microorganisms with different dibenzothiophene degradation capabilities. strain nisoc-03, a nitrate-reducing, oxidase negative, catalase, citrate, and urease positive, gram negative rod, showed interesting dibenzothiophene desulfurization behavior, designated as entreobacter sp. strain nisoc-03 base...
background: the combustion of sulfur-rich fossil fuels leads to release of sulfur oxide pollution in the environment. in biodesulfurization process, an organism is able to remove sulfur from fossil fuels without decreasing the caloric value of those substrates. the main aim of this research was to design a recombinant microorganism to remove the highest amount of sulfur compounds in fossil fuel...
Acidithiobacillus ferrooxidans (A. ferrooxidans) was applied in coal biodesulfurization and coal's pyrite bioleaching. The result showed that A. ferrooxidans had significantly promoted the biodesulfurization of coal and bioleaching of coal's pyrite. After 16 days of processing, the total sulfur removal rate of coal was 50.6%, and among them the removal of pyritic sulfur was up to 69.9%. On the ...
Since the industrial revolution mankind has been dependent on fossil hydrocarbon fuel for a very large proportion of total energy needs. Many of the fluid forms also had lower sulphur content than coal and were therefore more attractive from the environmental impact standpoint. Combustion of sulfur-containing compounds in fossil fuels emits sulfur oxides, which can cause adverse effects on heal...
Biodesulfurization (BDS) can be used as complementary technology to traditional hydrodesulfurization (HDS) process for sulfur reduction in fossil fuel. One of the mayor problems of BDS is the lower desulfurization yield obtained due to the low solubility of organosulfur compounds in water phase where microorganisms survive. In this work, the use of chemical surfactants largely increase the proc...
Biodesulfurization (BDS) of fossil fuels is a promising method for treating the high content sulfur in crude oils and their derivatives future, attributed to its environmental-friendly nature technical efficient ability desulfurize organosulfur compounds recalcitrant on other techniques. It was found that bioreaction rate depends treated fluid, targeting compounds, microorganism applied....
The viability of bacteria plays a critical role in the enhancement of fossil fuels biodesulfurization efficiency since cells are exposed to toxic compounds such as 2-hydroxybiphenyl (2-HBP), the end product of dibenzothiophene (DBT) biodesulfurization. The goal of this work was to study the influence of the carbon source on the resistance of Gordonia alkanivorans strain 1B to 2-HBP. The physiol...
Biodesulfurization using biotrickling filters (BTFs) under anoxic conditions is a cost-effective method for biogas clean-up. To improve the performance of BTFs, microbial consortia from anaerobic pond swine farm (SW), denitrification tuna factory (DN), and UASB concentrated latex industry (LW) were immobilized on BTFs. In this study, efficiency BTFs with reduction H2S gas combined nitrate conta...
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