Method for repairing uranium (VI) polluted water body by using fungi treated by nonionic surfactant
A surfactant and non-ionic technology, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., to achieve the effects of rich mycelium sources, convenient fermentation and cultivation, and simple management
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Embodiment 1
[0036] The uranium (VI) content of 50 mg L -1 30 mg of fungal active mycelia were added to 50 mL of water, and the content of uranium (VI) in the water was detected for 1 hour. The removal rate of uranium (VI) and the relationship between the adsorption capacity and the pH figure 1 . It can be seen from the figure that when the pH value is 7.0, the removal effect of uranium (VI) is the best, reaching more than 90%.
Embodiment 2
[0038] Add 50 mg L of uranium (VI) to Group 6 pH 7.0 -1 According to the different solid-liquid ratios of the modified mycelia (0.2, 0.4, 0.6, 0.8, 1.0, 1.2 g L -1) respectively, and at 1 h, the content of uranium (VI) in the water body was detected respectively. figure 2 . When the solid-to-liquid ratio of fungal active mycelia exceeds 0.6 g, the removal rate of uranium (VI) is higher, exceeding 95%, and the removal effect is better, but the mycelium density should not be too large. 0.6-1.2 g is suitable, and 0.6 g is the best.
Embodiment 3
[0040] 50 mg L of uranium (VI) to pH 7.0 of group 11 -1 30 mg of fungal modified mycelia were put into 50 mL of water, and the content of uranium (VI) in the water was detected at 10, 20, 30, 40, 50, 60, 70, 80, 90, 120, and 180 min. , the relationship between the removal rate of uranium (VI) and the adsorption capacity with time is shown in the attached image 3 . When the feeding time is 1 h, the removal rate of thorium (IV) is the highest, exceeding 90%, and the removal effect is better. The present invention can appropriately prolong the contact time of the modified mycelium with the water body, preferably 1-3 h.
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