A Method for Evaluating Water Quality Using Single Cell Metabolic Rate Index
A technology of cell metabolism and rate, applied in biochemical equipment and methods, test water, microbial measurement/inspection, etc., can solve problems such as evaluating water pollution levels
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Embodiment 1
[0033] Embodiment 1, sample collection used in the present invention and water quality determination method
[0034] 1.1 Sample collection
[0035] The Chaobai River (39° to 40° north latitude, 116° to 117° east longitude) basin in the Haihe River system in China was selected as the research object. Sampling was carried out in the Chaobai River Basin in June 2017 (summer). Referring to the previous research on the Chaobai River Basin, a total of 22 sampling points were selected. The sampling points were all located in the main channel of the Chaobai River and the inlets of important tributaries. They were 5 high mountain areas, 6 urban areas and 11 farmland areas . There are 25 samples in total.
[0036] 1.2 Physicochemical analysis of samples
[0037] The analysis methods of the basic physical and chemical indicators of Chaobai River water quality mainly refer to the national standards of the People's Republic of China and "Water and Wastewater Monitoring and Analysis Met...
Embodiment 2
[0050] Embodiment 2 uses single cell metabolic rate index (natural organic matter metabolic index) to evaluate water quality
[0051] 2.1 Physical and chemical indicators of river water in alpine areas, urban areas and farmland areas
[0052] As described in embodiment 1, carried out summer sampling, summer (June) average water temperature is respectively 28.6 ℃, and water quality situation schematic diagram is shown in figure 1 . Overall, the concentrations of TN, TP and DOC in alpine areas were lower than those in urban areas and farmland areas. The concentration of DOC in the urban area was significantly higher than that in the other two areas, and the concentration of TP in the farmland area was higher.
[0053] 2.2 Microbial biomass in alpine areas, urban areas and farmland areas
[0054] From figure 2 From the results of medium biomass, there was extremely significant difference in biomass (p<0.001). Due to the lower nutrient levels in alpine areas, their biomass i...
Embodiment 3
[0074] Embodiment 3 uses single cell metabolic rate index (natural organic matter metabolic index) to evaluate water quality
[0075] The accuracy and universality of the proposed threshold of natural organic matter metabolic index are verified by Example 2, and the single cell metabolic rate index (natural organic matter metabolic index) is applied to the water quality evaluation of actual water bodies. 3.1 Physical and chemical indicators of river water in alpine areas, urban areas and farmland areas
[0076] In September 2017, the same sampling point in Example 2 was sampled again for water quality sample analysis. Among them, the concentration limits of nitrogen and phosphorus in urban areas and farmland areas are beyond the scope of Class V water. The water quality in high mountainous areas is better, while the water quality in urban areas and farmland areas is affected by human activities and is poor. For a diagram of water quality, see Figure 6 , nitrogen and phosph...
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