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Environmental protection method combining eutrophic water body treatment, conservation of water and soil and landscape planting as whole

A eutrophication and water body technology, applied in chemical instruments and methods, botanical equipment and methods, biological water/sewage treatment, etc., can solve problems such as lack of water and soil conservation, high cost of environmental governance, and inapplicability of submerged plants. Achieve the effect of reducing soil erosion, reducing eutrophication degree and low cost

Active Publication Date: 2013-11-20
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The floating bed is generally made of foam floating bed or other plastic materials, which are easily broken due to aging in water, and the broken materials float with the wind, causing secondary pollution and destroying the environment and landscape.
Patent application CN1480411A discloses "a method for phytoremediation of eutrophic water bodies". In this method, aquatic plants are woven into plant belts and floating bodies are fastened on the plant belts as floating beds, and landscape plants such as flowers are fixed on the plant belts. The disadvantages are: there are many plants involved, it takes labor to weave plant belts, the floating body will still cause secondary pollution, and it does not have the effect of water and soil conservation
[0004] In addition, the floating bed method is not suitable for submerged plants, because submerged plants will be restricted by factors such as water depth, sediment, light, etc., and the cost of environmental governance is also high
However, the use of emergent plants must also consider factors such as whether the floating bed used and the fluidity of the water body are suitable, and the vast majority of existing aquatic plants often grow well in summer, while the aboveground parts die or grow poorly in winter, and they need to be trimmed or trimmed regularly. Harvesting to achieve the effect

Method used

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  • Environmental protection method combining eutrophic water body treatment, conservation of water and soil and landscape planting as whole
  • Environmental protection method combining eutrophic water body treatment, conservation of water and soil and landscape planting as whole
  • Environmental protection method combining eutrophic water body treatment, conservation of water and soil and landscape planting as whole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This example verifies the purification effect of oleander on eutrophic water.

[0028] (1) Preparation of nutrient-rich experimental water

[0029] Take by weighing 1500g loess, adopt autoclave, the pressure is 1.2-1.5kg / cm 2 Sterilize under conditions for 1 hour, then add 40L of tap water and stir to dissolve the nutrients and trace elements in the soil. After standing for 12 hours, take 34L of supernatant and add 0.30-0.32g of dipotassium hydrogen phosphate to the supernatant. Ammonium carbonate 0.48-0.50g, sodium nitrite 0.30-0.32g, potassium nitrate 1.4-1.6g, potassium hydrogen phthalate 8g, urea 1-1.2g, and add sterile water to make the volume of the mixed solution 48L, namely Prepare 48L nutrient-rich water for experiments.

[0030] (2) Simulation experiment

[0031] Cultivate oleander branches with a branch length of 20 to 40 cm and a root length of 4 to 16 cm in a flower pot, with 7 to 9 branches in each pot, and plant 4 pots. Divide 48L of eutrophication ex...

Embodiment 2

[0048] In the present embodiment, plant oleander 2 beside the pond containing eutrophic water body (such as image 3 Figure 4Shown), for the place where the pond embankment is high, the oleander is planted on the embankment wall 5, and for the place where the pond embankment is low, the oleander is planted on the embankment 1, and when planting, the top of the oleander is towards the eutrophic Water body 3, and make the branch of oleander contact the water surface of nutrient-rich water body as much as possible or immerse in nutrient-rich water body. After the planting of oleander is completed, heavy objects 4 are hung on the oleander branches that do not touch the water surface of the nutrient-rich water body or are not immersed in the nutrient-rich water body when planting, so that the oleander branches are separated from the nutrient-rich water body under the action of the weight. The water surface of the nutrient water body contacts or immerses in the nutrient-rich water...

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Abstract

Provided is an environmental protection method combining eutrophic water body treatment, conservation of water and soil and landscape planting as a whole. According to the method, oleanders are planted on the banks or the bank walls of ponds, or the banks or the bank walls of rivers, or the banks or the bank walls of reservoirs, wherein the ponds or the rivers or the reservoirs contain eutrophic water bodies, the top ends of the oleanders face the eutrophic water bodies when the oleanders are planted, and the branches of the oleanders make contact with the water faces of the eutrophic water bodies or are immersed into the eutrophic water bodies as much as possible. The method can effectively reduce nutrient load of nitrogen, phosphorus and the like, greatly reduce the eutrophic degree of the water bodies, reduce water and soil loss, conserve water and soil, beautify landscape and eliminate the secondary pollution on the water bodies.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to an environmental protection method integrating nutrient-rich water body treatment, water and soil conservation and landscape greening. Background technique [0002] The eutrophication of the water body makes the water body black and smelly, which seriously affects the ecological environment, and at the same time brings a lot of inconvenience to people's life and production, and even threatens the safety of drinking water. The loss of nitrogen and phosphorus caused by soil erosion is a source and influencing factor of water eutrophication. Therefore, it is of great significance to seek a comprehensive solution that can not only reduce the eutrophication load of water bodies, but also play a role in soil and water conservation, without affecting the ecological landscape, and even improve and beautify the environment. [0003] At present, it is mainly used to set f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00C02F3/32
CPCY02W10/10
Inventor 刘本洪税永红唐亚杜双韬陈军刘艳秋
Owner SICHUAN UNIV