Process for inhibiting algoe in regenerating water using chuanman algoe
A technology of applying algae and reclaimed water, applied in chemical instruments and methods, biological water/sewage treatment, energy and wastewater treatment, etc., can solve the damage of landscape water ecosystem, can not achieve the effect of nutrient salt removal, and is not suitable for salty water. problems such as high volume of water, to achieve the effect of easy access, easy control and low cost
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Embodiment 1
[0037] (1) get 15 grams of chrysanthemum algae, and transplant it into 3 liters of reclaimed water that needs to be treated with a salinity of 3.5 ‰;
[0038] (2) Give 5000lux light intensity day and night, and cultivate for 7 days at a temperature of 30°C;
[0039] (3) After 7 days, the nutrient salt in the water body drops to the ammonia nitrogen concentration of 0.5mg / L, and the total phosphorus concentration is below 0.2mg / l, and the algae can be removed to inhibit the growth of algae in the water body to be treated. The removed C. algae can be used for green manure or for extracting gram algae matter.
[0040] After testing, the removal rate of phosphate in water is 94.6%, and the removal rate of ammonia nitrogen is 96.5%. Chlorophyll a decreased by 79.2%,
Embodiment 2
[0042] (1) get 21 gram of chrysanthemum algae, and transplant to 3 liters of reclaimed water that needs to be treated with a salinity of 0.1‰;
[0043] (2) 3000lux light intensity was given day and night, and the temperature was 25°C, and cultivated for 10 days;
[0044] (3) After 10 days, the algae were removed. When the nutrient salt in the water body is reduced to the ammonia nitrogen concentration of 0.1mg / L and the total phosphorus concentration below 0.2mg / L, it can remove the algae and achieve the purpose of inhibiting the growth of algae in the water body to be treated.
[0045] After testing, the removal rate of phosphate in water is 96.5%, and the removal rate of ammonia nitrogen is 97.5%. Chlorophyll a decreased by 85.2%.
Embodiment 3
[0047] (1) Get 20 grams of Chuanmania, fix it with a mesh, and hang it in 2 liters of mixed solution with a salinity of 5‰, where the mixed solution is distilled water and seawater filtered through a 0.2 μ fiber membrane;
[0048] (2) Give light day and night, the sunlight can be used in the daytime, artificial light source is used at night, and the temperature of light is 25°C and cultivated for 5 days;
[0049] (3) remove the Chuanmania, and then concentrate the cultivation water to 10 milliliters by low-pressure rotary evaporation;
[0050] (4) Take 10 milliliters of the above-mentioned concentrated solution, and apply it to 1 liter of Microcystis aeruginosa pure culture solution in the water to be treated.
[0051] After testing for 96 hours, the inhibition rate to Microcystis aeruginosa is 92%.
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