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Swine wastewater
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This study conducted an assessment of the effect of alkalinity on the partial nitrification (PN) process and the performance of a partial nitrification - denitrification (PN - DN) system applied in swine wastewater treatment (SWW). The system consisted of a batch-operated PN reactor and a continuously operated DN reactor and was divided into two main experiments.
12p
viindra
06-09-2023
6
2
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Nitrogen removal with biological methods plays a crucial role in wastewater treatment technology. The treatment begins with the oxidation of ammonia to nitrite to facilitate the subsequent nitrification and denitrification. Various strains of ammonia-oxidising bacteria have been reported. In this study, we use three Bacillus bacteria isolated from swine wastewater to oxidise ammonia.
11p
vispiderman
15-06-2023
2
1
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In nitrogen treatment with biological methods, nitrite metabolism is an intermediate process that facilitates other processes involving different bacteria strains. In this study, we isolated two nitriteoxidising bacteria strains from abattoir wastewater and wastewater from biogas tanks of an industrial pig farm in Ha Tinh province.
10p
vispiderman
15-06-2023
3
1
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The livestock industry is one of the important sectors of agriculture in Vietnam. The swine-breeding farms are mainly spontaneous, the common wastewater is treated by biogas technology.
9p
vikoenigsegg
26-09-2022
10
4
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It has been demonstrated that swine waste is an important reservoir for resistant genes. Moreover, the bacteria carrying resistant genes and originating from swine feces and wastewater could spread to the external environment. Fluoroquinolones (FQs) are widely used in livestock and poultry for the treatment of bacterial infections.
9p
vigandhi
23-02-2022
20
1
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Currently, algae have been focused on research to apply in different fields. With the desire to contribute to the application of microbiological technology to reduce pollution in organically polluted wastewater per the situation of Vietnam, this study is conducted to apply Actinastrum sp. to treat nitrogen and phosphorus in swine wastewater after biogas digesters.
9p
viriyadh2711
19-12-2019
18
0
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Swine wastewater poses chemical and biological risks because it contains high concentrations of ammonia and diverse species of pathogens. Herein, a vetiver-Dictyosphaerium sp. co-culture for the rapid removal of ammonia and the effective inactivation of pathogens was developed. Plants and microalgae benefited mutually and co-utilized the nutrients in the wastewater in the co-culture. The pathogens were inactivated by reactive oxygen species that were released by the microalgae as well as the supersaturated concentrations of dissolved oxygen in the enclosed bioreactor.
8p
trinhthamhodang1
14-11-2019
15
0
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The objective of research is to build CNST using TVTS to treat pig waste water after microbiological treatment, to minimize environmental pollution. Technology is feasible when applied in practice.
27p
xacxuoc4321
11-07-2019
35
3
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