Preparation method of zeolite-loaded potassium permanganate algicide and method for controlling and removing algae
A technology of potassium permanganate and algaecide, applied in herbicides and algaecides, botanical equipment and methods, chemical instruments and methods, etc., can solve the problem of not mentioning the removal effect of algal toxins, etc., and achieve significant economical benefits. and environmental benefits, small impact on the ecological environment, and the effect of inhibiting algal blooms
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Embodiment 1
[0027] Take the water sample of Microcystis aeruginosa grown in the laboratory, the chemical oxygen demand of the raw water is 6.03mg / L, the chlorophyll a (characterizing the algae biomass in water) is 95.2μg / L, and the microcystin MC-LR is 9.22μg / L , the microcystin MC-RR is 1.13μg / L, add 0.1g / L algaecide to the algae liquid, mix well, take regular samples every day to extract chlorophyll a, and monitor the microcystin after algaecide treatment changes. The results showed that the biomass of Microcystis aeruginosa decreased from the first day after adding the algaecide. With the prolongation of the reaction time, the biomass of Microcystis aeruginosa decreased day by day. The removal rates of chlorophyll a in 4 and 5 days were 34.7%, 62.8%, 78.9%, 81.7%, and 82.1%, respectively. After 5 days, the microcystin MC-LR in the water was 0.953 μg / L, and the removal rate was 89.7%. -RR is 0.932μg / L, the removal rate is 17.2%, and the residual microcystin content in water is lower th...
Embodiment 2
[0029]Take the water sample of Microcystis aeruginosa cultivated in the laboratory, the chemical oxygen demand of the raw water is 5.91mg / L, the chlorophyll a (characterizing the algae biomass in water) is 197.3μg / L, and the microcystin MC-LR is 5.91μg / L , MC-RR was 1.22 μg / L. Add 0.17g / L algaecide to the algae liquid, mix evenly, regularly sample and extract chlorophyll a every day to measure the biomass of Microcystis aeruginosa, and monitor the changes of microcystins after algaecide treatment. The results showed that the biomass of Microcystis aeruginosa decreased from the first day after adding the algaecide. With the prolongation of the reaction time, the biomass of Microcystis aeruginosa decreased day by day. The removal rates of chlorophyll a in 4 and 5 days were 26.4%, 76.9%, 80.3%, 87.2%, and 85.7%, respectively. After 5 days, the microcystin MC-LR in the water was 0.89 μg / L, and the removal rate was 84.9%. -RR is 0.76μg / L, the removal rate is 37.9%, and the residua...
Embodiment 3
[0031] Take the water sample of Microcystis aeruginosa cultivated in the laboratory, the chemical oxygen demand of the raw water is 7.38mg / L, the chlorophyll a (characterizing the algae biomass in water) is 879.5μg / L, and the microcystin MC-LR is 9.89μg / L , MC-RR was 1.21 μg / L. Add 0.28g / L algaecide to the algae liquid, mix well, regularly sample and extract chlorophyll a to measure the biomass of Microcystis aeruginosa, and monitor the changes of microcystins after algaecide treatment. The results showed that the biomass of Microcystis aeruginosa decreased from the first day after adding the algaecide. With the prolongation of the reaction time, the biomass of Microcystis aeruginosa decreased day by day. The removal rates of chlorophyll-a in the 4th and 5th days were 14.3%, 76.4%, 84.8%, 82.6%, 87.4%, respectively. After 5 days, the microcystin MC-LR in the water was 0.82 μg / L, the removal rate was 91.7%, the MC-RR was 1.06 μg / L, the removal rate was 12.1%, and the residual ...
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