High-efficiency multi-angle well screen groundwater remediation equipment
A multi-angle, high-efficiency technology, applied in the direction of contaminated groundwater/leachate treatment, water supply equipment, drinking water equipment, etc., can solve the problems of limited groundwater treatment efficiency and low proportion of pollutants
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Embodiment 1
[0064] Example 1 is to use as figure 1 The shown high-efficiency multi-angle well screen groundwater remediation equipment 100 equal-fold (100 times) scaled-down model is used to simulate the on-site treatment of groundwater, wherein the groundwater contains sodium bromide as a tracer substance, and its initial concentration is 3 weight%. According to the ratio of the sodium bromide concentration in the extracted groundwater to its initial concentration, the extraction ratio of groundwater pollutants can be known, and the specific screen opening angle, the number of injection well pipes and the evaluation results are listed in Table 2. I won't repeat them here.
Embodiment 2 to 3 and comparative example 1 to 2
[0066] Embodiments 2 to 3 and Comparative Examples 1 to 2 are carried out using the same high-efficiency multi-angle well screen groundwater treatment equipment 100 as in Embodiment 1, but Embodiments 2 to 3 and Comparative Examples 1 to 2 are performed by changing the injection well pipe. The sieve angle, its specific equipment parameters and evaluation results are listed in Table 2.
[0067] Table 2
[0068]
[0069] Evaluation method
[0070] Proportion of groundwater pollutants
[0071] The proportion of groundwater pollutants referred to herein in the present invention refers to the proportion of the groundwater pollutants extracted by the well pipe, which is to add sodium bromide with an initial concentration of 3% by weight in the groundwater, and according to the extracted The ratio of bromide ion concentration contained in groundwater relative to its initial concentration is used to determine the proportion of groundwater pollutants extracted. The bromide ion co...
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