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Saltwater riverway pollution control method based on mangrove plants

A mangrove plant, pollution control technology, applied in the fields of botanical equipment and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc. Repair and achieve the effect of water purification

Inactive Publication Date: 2019-11-15
舟山赛莱特海洋科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is limited to the pollution control of fresh water bodies, and is not suitable for salt water channels in coastal areas, nor is it suitable for salt water channels in high temperature areas.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The salt water channel in this embodiment is the Lixi River salt water channel in Shenjiamen, Zhoushan, and the salinity in the dry season and the rainy season are 10-15‰ and 5-10‰ respectively. The repair method of the present embodiment comprises the following steps:

[0044] (1) Seed selection: collect the hypocotyls of candelabra in mangrove plants, and the collection time is April-May every year. Soak the seeds in local seawater for 1 hour, and transfer them to the first container within 48 hours.

[0045] (2) Potted plants: select the flowerpot of polypropylene resin raw material, its upper diameter 20cm, height 30cm, put into the mesh cloth of suitable size at the bottom of flowerpot, the order number of mesh is 15 orders. The height of putting soil (cultivation substrate) in the flowerpot accounts for 80% of the height of the flowerpot, and the proportion (mass ratio) of sand and clay in the soil is 80%. The mangrove hypocotyls are directly inserted into the s...

Embodiment 2

[0068] The salt water channel in this embodiment is Lujiazhi No. 4 salt water channel in Zhoushan, and the salinity in the dry season and the rainy season are respectively 10-20‰ and 5-15‰. The repair method of the present embodiment comprises the following steps:

[0069] (1) Seed selection: collect the hypocotyls of candelabra in mangrove plants, and the collection time is April-May every year. Soak the seeds in local seawater for 1 hour, and transfer them to the first container within 48 hours.

[0070] (2) Potted plants: select a ceramic flower pot with an upper diameter of 15 cm and a height of 20 cm. A mesh cloth of a suitable size is placed at the bottom of the flower pot, and the mesh number of the mesh is 12 mesh. The height of putting the soil in the flowerpot accounts for 80% of the height of the flowerpot, and the proportion (mass ratio) of sand and clay in the soil is 60%. The mangrove hypocotyls are directly inserted into the soil of the flower pot with a depth...

Embodiment 3

[0077] The salt water channel of this embodiment is the salt water channel of the Luxi River in Shenjiamen, Zhoushan, and the salinity in the dry season and the rainy season are respectively 10-15‰ and 5-10‰. The repair method of the present embodiment comprises the following steps:

[0078] (1) Seed selection: collect the hypocotyls of the tung tree in the mangrove plant, and the collection time is April-May every year. Soak the seeds in local seawater for 1 hour, and transfer them to the first container within 48 hours.

[0079](2) Potted plants: select a polypropylene resin flower pot with an upper diameter of 20 cm and a height of 25 cm. Put a mesh cloth of a suitable size at the bottom of the flower pot, and the mesh number of the mesh is 10 mesh. The height of putting the soil in the flowerpot accounts for 75% of the height of the flowerpot, and the proportion (mass ratio) of sand and clay in the soil is 50%. The mangrove hypocotyls are directly inserted into the soil ...

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Abstract

The invention belongs to the field of water environment pollution prevention and control, and particularly relates to a saltwater riverway pollution control method based on mangrove plants. The methodincludes the steps of domestication and planting. The method achieves riverway pollution control by using the characteristics, namely developed root systems and salt tolerance, of the mangrove plants. The mangrove plants are introduced to high-latitude areas and can be domesticated through their own powerful water purification functions, and thus the mangrove plants can adapt to the growth environments in the high-latitude areas to achieve the ecological restoration of saltwater riverways. After domestication, the survival rates of mangrove seedlings for cultivation can reach 60%-80%, and themangrove plants can be well used for water restoration of the saltwater riverways with the northern latitude more than or equal to 29 degrees and the southern latitude smaller than 29 degrees. The mortality rates of the mangrove plants cultivated and domesticated through the method do not exceed 30% within two years after transplanting.

Description

technical field [0001] The invention belongs to the field of prevention and control of water body environmental pollution, and in particular relates to a method for controlling pollution of salt water channels based on mangrove plants. Background technique [0002] Mangroves are tropical and subtropical marine intertidal plants, mainly distributed in Guangdong, Hainan and Fujian. Mangrove plants have intertwined root systems that can purify water pollution and protect dams. Mangroves have practical value for the survival and development of human beings, especially they can bring obvious ecological benefits to the coastal residents. Under the influence of global warming, the distribution area of ​​mangroves may expand to higher latitudes. At present, mangrove plants have been successfully introduced in Wenzhou, Taizhou and Zhoushan, Zhejiang. [0003] Saltwater rivers are a special kind of river. River pollution control has always been a difficult problem for the local gov...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G7/06C02F3/32
CPCA01G7/06A01G17/005C02F3/32C02F2103/007C02F2209/05C02F2209/08C02F2209/16Y02A20/402
Inventor 郭健宋文东纪丽丽
Owner 舟山赛莱特海洋科技有限公司
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