Ecological treatment technology of landscape water?

The treatment technology of Aobao No.1 Lake mainly adopts diving aerator and water lifting aerator. Generally, the submersible aerator is installed downward or horizontally, which has no noise pollution during use, beautiful and elegant appearance design, and does not affect the surrounding environment or change the water landscape effect. Because of the tiny bubbles produced by the submersible aerator, it has a micro-floating effect on the water body. In the process of aeration, suspended particles in water can float to the surface, further purifying the water quality. Because the installation angle of the aerator is easy to adjust, different aeration inclination angles such as horizontal, upward and downward can be adopted according to the water depth of the pond, so as not to stir the sediment in the river or pond. In this process, only the landscape fountain, slow water flow and milky white bubble belt driven by diving aerator can be seen on the lake by hidden installation. The water-lifting aerator adopts beautiful appearance design, and the overflow channel is beautiful in shape, which is widely used for water purification and waterscape production in scenic waters such as rivers, lakes and parks.

Obao-I lake water treatment technology is used to purify the water quality of rivers, lakes, reservoirs and other natural water bodies, which can effectively reduce pollution indicators such as organic pollutants and ammonia nitrogen, and has obvious effects on removing black odor, improving eutrophication and preventing algae bloom. It can eliminate the black odor of water body, reduce organic pollutants and ammonia nitrogen in a short time, make the appearance of water body clear and eliminate odor, and gradually improve the self-purification ability of water body in the subsequent cleaning process; Even if the external pollution source is not cut off, measures such as aeration and oxygenation and adding microbial strains can be taken to reduce the impact of external pollution sources on water bodies, so as to control the aggravated pollution of natural water bodies. Compared with the traditional fixed sewage treatment method, its one-time investment is only1/5 of the fixed sewage treatment facility under the same treatment water volume; And is not limited by space conditions. It can improve the dissolved oxygen concentration of water body in a short time, and reduce the pollution indexes such as organic matter and ammonia nitrogen in water body. It has the advantages of low cost, quick effect, good effect, convenient operation and wide adaptability.

The main function of oxygenation

1. Eliminate organic pollution and black odor.

Under the condition of sufficient oxygen and abundant aerobic microorganisms, the organic pollution indexes COD and BOD decreased obviously, and the black odor disappeared. Remove toxic and harmful gases such as methane and hydrogen sulfide produced by degradation of organic matter at the bottom of the lake.

2. Reduce the content of nutrients in water.

After aeration, the anaerobic decomposition of organic matter in the lake bottom was inhibited, and the release of nitrogen and phosphorus nutrients in the lake bottom was reduced. At the same time, the activity of aerobic microorganisms accelerates the inorganic process of sediments. Phosphorus can combine with calcium in water to form water-insoluble compounds, which are deposited at the bottom of the lake and removed from the water.

3. Eliminate algal blooms

The convective exchange conditions of water layer caused by aeration in water make it difficult to form cyanobacteria blooms on the surface; Algae in surface water move to lake bottom or lower water layer, and it is difficult to maintain growth and inhibit algae reproduction due to the change of lighting conditions.

4. Improve the color and transparency of water

Various inorganic and organic suspended solids, living phytoplankton and dead debris, large aquatic plant debris and decomposed organic debris in polluted water are the main substances that affect the color and transparency of water body. After aeration, the overgrowth of algae can be effectively inhibited, thus reducing the organic matter in the water, obviously improving the transparency and color of the water.

5. Reduce the endogenous pollution of sediments.

After the water body is oxygenated, the oxygen content in the surface layer of lake sediments increases and the aerobic microbial activity becomes stronger. Through the metabolic process of microorganisms, the degradation of organic pollutants in sediments is promoted, and an inorganic matrix covering layer is gradually formed to block endogenous pollution.

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