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The effect of different phosphate buffer solutions on removal of Pb and Zn in soil by solid phase microbial fuel cell was investigated in this study. In addition, the removal rate of Pb and Zn in the SMFC's with 150 mM PBS can range from 14. 7% to 22. 3%, respectively. With 150 million pounds in the SMFC, Anditalea as an exoelectrogen in alkaline-saline conditions was significantly enhanced in the SMFC, according to the microbial community's findings.
Source link: https://doi.org/10.1007/s10529-022-03315-1
Using Kolbe electrolysis, mixtures of n-carboxylic acids derived from microbial conversion of waste biomass were converted to bio-fuel. Among individually tested n-CA's individually measured n-CA, electrolysis of n-hexanoic acid produced the highest coulombic yield of 55. 6 percent for liquid fuel production. Since 12. 1 mol of n-CA mixture contains 5. 02 kWh, 1 L of fuel could be produced. So, a coupling of microbial processes that produce n-CA mixtures from various organic substrates and garbage is more promising than ever.
Source link: https://doi.org/10.1002/cssc.202201426
Microbial fuel cells are capable of simultaneous sewage treatment and electricity generation. In this paper, NiTiO3 and CuNiTiO3 were synthesized for use in a dual-chamber MFC, and the development of the modified cathodes was tested against a bare graphite electrode. Using a CuNiTiO3/G electrode with a reduction potential value of -0. 27 V and a power density of 62. 18 mW m-2 was shown to have increased oxygen reduction activity in comparison to NiTiO3/G and the bare graphite. The CuNiTiO3 cathode used by MFC also had the highest chemical oxygen demand removal and estimated coulombic efficiency, as well as the calculated coulombic efficiency.
Source link: https://doi.org/10.1016/j.chemosphere.2022.135709
Because of the high chloride residual, wastewater overflow, and low production capacity, hydrothermal carbonization of polyvinyl chloride and wet herbal agricultural wastes for solid fuel production remains bleak economics and sustainability. From 189. 95 kJ/mol to 110. 04 kJ/mol, we discovered that the co-hydrothermal carbonization of PVC and the typical biomass produced a dramatic decrease in dechlorination activation energy. A more effective way to convert PVC and biomass wastes into solid fuels is shown by co-HTC and process water recycling plans.
Source link: https://doi.org/10.1016/j.scitotenv.2022.157082
In dual-fuel mode, this paper explored the possibility of upgrading the internal combustion engine of the series plug-in hybrid electric vehicle powered by gasoline A and Brazilian gasoline in single-fuel mode by one fuelled with 50% bioethanol and 50% biogas. Using GREET software, the sugarcane bioethanol and biogas production was determined with a well-to-pump emissions. The losses during the biogas conversion had linearly exacerbated WTP pollution and, therefore, the WTW emissions of the series PHEV, according to the data. Besides, the dual-fuel mode produced 15. 5% and 12. 8 less TTW emissions per year than the single-fuel mode powered by gasoline A and Brazilian gasoline, respectively. The dual-fuel mode of emissions measurements increased than the European Union emission level by 2021 by 35. 5 percent, compared to the emission standards.
Source link: https://doi.org/10.1007/s11356-022-20864-0
The purpose of this research is to synthete a SPEEK composite proton exchange membrane with the addition of TiO2 nanofillers for microbial fuel cell application. An optimum weight percentage of TiO2 was used to investigate the effect of TiO2 concentration on membrane results. The TiO2 - SPEEK composite membrane with the highest water uptake capacity value and Ion exchange capacity value of 31% and 1. 71 meq/g respectively displayed the highest water uptake capacity value and Ion exchange capacity value of 31% and 1. 71 meq/g respectively. The MFC system with TiO2 - SPEEK membranes was evaluated and compared to the pristine SPEEK and Nafion membranes.
Source link: https://doi.org/10.2166/wst.2021.467
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