Method for strengthening phosphorus removal efficiency of constructed wetlands on basis of plant root system
A technology for artificial wetlands and plant roots, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of the small number and types of microorganisms in the root system, and poor plant absorption and transformation effects , to achieve the effect of improving the richness and diversity of microorganisms, good landscape effects, and shortening the adaptation period
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Embodiment 1
[0059] In this embodiment, first, the expansion of the plant root system and the rejuvenation of the damaged root system are carried out through the hairy root induction solution containing rooting powder, so as to produce a root system with well-developed root system, abundant quantity, and good root system; The system induces the iron film on the surface of the root system.
[0060] In this embodiment, the steps of expanding the plant root system and inducing the formation of an iron film on the surface of the root system are as follows:
[0061](1) Root system expansion: carried out in a PVC constructed wetland bed of 1.5m×1.5m×0.5m, planting 20 plants in the constructed wetland bed (the planting density is 16 plants / m 2 ) Bulbous rushes, gravels with a particle size of 3-5 cm are filled into the 15 cm at both ends of the bed as the water distribution and water collection areas, and the middle part is filled with zeolite and ceramsite as the matrix, with a height of 45 cm; ...
Embodiment 2
[0072] In this embodiment, first, the expansion of the plant root system and the rejuvenation of the damaged root system are carried out through the hairy root induction solution containing rooting powder, so as to produce a root system with well-developed root system, abundant quantity, and good root system; The system induces the iron film on the surface of the root system.
[0073] In this embodiment, the steps of expanding the plant root system and inducing the formation of an iron film on the surface of the root system are as follows:
[0074] (1) Root system expansion: carried out in a PVC constructed wetland bed of 1.5m×1.5m×0.5m, planting 20 plants in the constructed wetland bed (the planting density is 16 plants / m 2 ) Bulbous rushes, gravels with a particle size of 3-5 cm are filled into the 15 cm at both ends of the bed as the water distribution and water collection areas, and the middle part is filled with zeolite and ceramsite as the matrix, with a height of 45 cm;...
Embodiment 3
[0082] In this embodiment, first, the expansion of the plant root system and the rejuvenation of the damaged root system are carried out through the hairy root induction solution containing rooting powder, so as to produce a root system with well-developed root system, abundant quantity, and good root system; The system induces the iron film on the surface of the root system.
[0083] In this embodiment, the steps of expanding the plant root system and inducing the formation of an iron film on the surface of the root system are as follows:
[0084] (1) Root system expansion: carried out in a PVC constructed wetland bed of 1.5m×1.5m×0.5m, planting 20 plants in the constructed wetland bed (the planting density is 16 plants / m 2 ) Bulbous rushes, gravels with a particle size of 3-5 cm are filled into the 15 cm at both ends of the bed as the water distribution and water collection areas, and the middle part is filled with zeolite and ceramsite as the matrix, with a height of 45 cm;...
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