Experimental device and method of water pollution and its application in phosphorus removal experiment
A technology of experimental device and experimental method, applied in the direction of adding substances to water/sewage treatment, etc., can solve the problem of lack of eutrophic water body experimental device, etc., and achieve the effect of shortening the experimental period, reducing the number of experiments, and facilitating on-site experiments.
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example 1
[0070] Example 1: In this group of experiments, different drug ratios (0, 0.025%, 0.05%, 0.1%, 0.2%, respectively, and the corresponding sample numbers are CK, A, B, C, D), different treatment methods (single Treatment and cycle treatment, the corresponding sample numbers are 1 and 2 respectively) For the treatment effect of the same water quality, compare and analyze the optimal treatment method and chemical ratio.
[0071] The experimental stock solution is water temperature 18°C. The single stirring time of the experiment is 20min, and the sample resting time is about 20h.
[0072] The experimental process is as follows:
[0073] (1), the single treatment and cycle once treatment experiment with the proportion of medicament being 0.025%.
[0074] A. Liquid addition: Take 20L of the experimental stock solution, pour it into the mixing tank, add 5g of the medicine (the proportion of the medicine is 0.025%), and add it into the mixing tank to form the first mixed solution. ...
example 2
[0090] Example 2: Optimal stirring time experiment for phosphorus removal agent formula.
[0091] On the basis of determining that the optimal treatment method is single treatment, and the optimal experimental agent ratio is 0.05%, this group of experiments treats the same water quality by using different stirring times, and compares and analyzes the optimal stirring time of the experimental formula.
[0092] The water temperature of the experimental stock solution was 18°C. The sample resting time is about 20h.
[0093] The experimental process is as follows:
[0094] Pour 20L of test stock solution and 10g of phosphorus removal agent into the mixing tank to form the first mixed solution; in the process of stirring and reacting, set stirring for 0min to react, and then filter to obtain the eleventh test water sample.
[0095] Extract 500ml of the eleventh test water sample and set the number separately, the sample number is: A-0; lift it up to the reaction tank again, set i...
example 3
[0103] Example 3: Filtration effect and optimal standing time experiment of phosphorus removal agent formula.
[0104] On the basis of the previous two groups of experiments, this group of experiments treated the same water quality by using a fixed optimal formula agent ratio (0.05%), an optimal experimental treatment method (single treatment) and an optimal experimental stirring time (5min). , the monitoring samples were sampled without filtration and filtration (sampling without filtration or filtration, the corresponding sample numbers are A-1 and A-2), and continuously monitored the TP concentration of each sample at different standing times, and compared and analyzed without filtration Or filtration, and the effect of standing time on phosphorus removal.
[0105] The water temperature of the experimental stock solution was 18°C. The sample resting time is about 20h.
[0106] The experimental process is as follows:
[0107] Pour 20L of test stock solution and 10g of dep...
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