Duplex landscape ecological pond system used for advanced purification of regenerated water

Abstract

The invention relates to a duplex landscape ecological pond system used for advanced purification of regenerated water. The invention develops a novel pond technology adapted to water quality of regenerated water aiming at the current situation that the regenerated water is taken as landscape ecological supply water in China and the water quality characteristics of the regenerated water. The duplex landscape ecological pond system is characterized in that: the traditional pond structure is optimized and designed into a duplex structure; and a pond is divided into a facultative area and an aerobic area, wherein the aerobic area is positioned at the periphery of the pond system, water depth is 0.8 to 1mm, the area accounts for 70 percent of the total area of the pond system, and a large number of emergent plants and submerged plants are planted in a staggered mode; and the facultative area is positioned in the center of the pond system, water depth is 1 to 1.5m, the area accounts for 30 percent of the total area of the pond system, and a certain number of floating-leaved plants are planted. By means of a large number of plants, the self-purification capacity of water is improved; meanwhile, the aerobic area and the facultative area are formed to facilitate denitrification. Compared with the traditional pond system, the duplex landscape ecological pond system is more suitable for purifying pollutants of the regenerated water.

Description

Technical field: [0001] The invention relates to an ecological engineering technology suitable for deep purification of regenerated water, belonging to the technical fields of environmental engineering, ecological engineering and garden engineering. Background technique: [0002] With the increasingly serious shortage of water resources in my country, the reuse of reclaimed water is increasing. In addition to being reused for domestic miscellaneous water, industrial cooling water, landscaping irrigation water, etc., the application of recycled water as landscape ecological replenishment water is also gradually increasing. [0003] The pond system is a common treatment unit for reclaimed water to be used as landscape ecological replenishment water, and it is widely used in urban parks and living quarters. At present, the most widely used pond systems in the field of reclaimed water reuse are oxidation ponds and facultative ponds. The water depth of the oxidation pond is gen...

AI Technical Summary

Problems solved by technology

But on the other hand, the slope of the pond wall is relatively steep, resulting in less planting, especially in facultative ponds, generally only a small amount of emergent plants can be planted

While there are few plants, it also affects the dissolved oxygen content of the water body, thus affecting the self-purification ability of the water body

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