نتایج جستجو برای: sediment microbial fuel cell
تعداد نتایج: 1865104 فیلتر نتایج به سال:
Michael Potter pioneered microbial fuel cell (MFC) technology in 1911 [...]
The construction of large microbial fuel cells (MFCs) and their long-term reliability are current challenges. MFCs generate power while purifying wastewater, save electricity, avoid pollutant stripping into the air a source CO2. To understand larger MFCs, 1000-L MFC was designed. It built from transparent polyester electrodes were reticulated vitreous carbon. Four management devices connected t...
Anaerobic microbial hydrocarbon degradation is a major biogeochemical process at marine seeps. Here we studied the response of the microbial community to petroleum seepage simulated for 190 days in a sediment core from the Caspian Sea using a sediment-oil-flow-through (SOFT) system. Untreated (without simulated petroleum seepage) and SOFT sediment microbial communities shared 43% bacterial genu...
This paper discusses the fundamentals and developments of miniaturized fuel cells, both biological and electrochemical. An overview of microfluidic fuel cells, miniaturized microbial fuel cells, enzymatic biofuel cells, and implanted biofuel cells in an attempt to provide green energy and to power implanted microdevices is provided. Also, the challenges and applications of each type of fuel cel...
The fate of uranium in natural systems is of great environmental importance. X-ray absorption near-edge spectroscopy (XANES) revealed that U(VI) was reduced to U(IV) in shallow freshwater sediment at an open pit in an inactive uranium mine. Geochemical characterization of the sediment showed that nitrate, Fe(III), and sulfate had also been reduced in the sediment. Observations of the sediment p...
Microbial cell counting provides essential information for the study of abundance profiles and biogeochemical interactions with surrounding environments. However, it often requires labor-intensive time-consuming processes, particularly subseafloor sediment samples, in which non-cell particles are abundant. We developed a rapid straightforward method staining microbial intracellular DNA by SYBR ...
The origin of the microbial community in a coastal marine sediment was investigated by examining the physical, chemical, and microbial characteristics of the sedimenting particles in Halifax Harbor, Canada. Particles were collected using particle interceptor traps placed on the sediment surface. The measured rate of particle accumulation compared to the sediment accumulation rate indicates that...
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