Method for purifying water by using floating-field plants

Abstract

The invention discloses a method for purifying water quality by utilizing floating-field plants, wherein floating plants on stream surfaces are taken as carriers, a wide space similar to the floating field is constructed on the stream surfaces, and aquatic plants of soilless culture are planted on the floating plants. The method has obvious water quality purification effect and strong flexibility, operability, economical practicability, persistence and enjoyment.

Description

technical field [0001] The invention relates to a method for purifying water, in particular to a method for purifying water by using floating field plants. Background technique [0002] In the river regulation projects so far, the method of planting emergent plants on the river slope is generally adopted, but because they grow on the river slope, they usually do not absorb or rarely absorb excessive nutrients in a large area of ​​water. On the other hand, in the current regulation of river waters, all aquatic plants such as reeds, cattails, and wild rice stems have been removed, and the role of aquatic plants in purifying water quality has been ignored, making river regulation measures deviate from the direction. [0003] The emergence of floating bed technology is a breakthrough of traditional methods. It grows aquatic plants on foam plastics and arranges them in rows in the river course. It is effective to purify water quality in this way, but it also has three shortcomin...

AI Technical Summary

Problems solved by technology

[0005] The current situation of the river improvement project in Shanghai: ① In the original revetment structure of the river, because the hard surface cannot be planted with trees and other greening, most of the revetments have not adopted greening measures; Not suitable for the growth of aquatic plants

The growth point of aquatic plants can only adapt to the elevation above the perennial water level. If aquatic plants are planted at the elevation of the water level in the state of small flood water and low tide level, the plants will grow under very deep flooding conditions. Force it to fail to survive normally, or even die; ③Boat-shaped wave scouring causes mechanical damage and uprooting, thus causing general aquatic plants not to adapt to the growth of the slopes of rivers with shipping capabilities

④Water quality in black and odorous river environment, general aquatic plants cannot grow

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