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Method for restoring polluted river in drainage basin

A river and watershed technology, applied in the field of watershed pollution restoration, can solve the problems of unsatisfactory restoration effect and high treatment cost, and achieve the effects of adjusting microclimate, beautifying the environment, promoting rapid growth, and controlling soil erosion

Inactive Publication Date: 2021-05-14
济南工程职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the technical problems of high processing cost and unsatisfactory restoration effect of existing river restoration techniques, and provides a method for restoration of river basin polluted rivers

Method used

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  • Method for restoring polluted river in drainage basin
  • Method for restoring polluted river in drainage basin
  • Method for restoring polluted river in drainage basin

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0049] Specific implementation mode 1: This implementation mode is a method for repairing polluted rivers in a river basin, which is specifically carried out according to the following steps;

[0050] 1. Lay a microbial community layer at the bottom of the river;

[0051] 2. Micro-nano aeration equipment is set above the microbial community layer described in step 1;

[0052] 3. Fill the biofilm filler inside the river, set the water inlet filter at the water inlet, and set the water outlet filter at the water outlet;

[0053] Four, planting aquatic plants on the water surface of the river, planting terrestrial plants on the banks of both sides of the river, and completing the method.

[0054]When the river water body is polluted by organic matter, the dissolved oxygen in the water body will be consumed, and the decomposition of organic matter will switch from aerobic decomposition to anaerobic decomposition, generating black and odor-causing substances such as hydrogen sulfi...

specific Embodiment approach 2

[0056] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the microbial community layer in Step 1 is taken from the soil near the river. Others are the same as in the first embodiment.

[0057] Microorganisms are a community composed of dozens of microorganisms such as photosynthetic bacteria that fix carbon, actinomycetes that inhibit disease, yeast that decompose sugar, and lactic acid bacteria that effectively decompose under anaerobic conditions, and the indigenous microorganisms that grow in the local area are even more Can adapt to the local environment.

specific Embodiment approach 3

[0058] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the micro-nano aeration equipment described in step 2 is powered by solar cells, and the solar cells are arranged above the water surface of the river. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a method for restoring a polluted river in a drainage basin, and relates to the field of drainage basin pollution restoration. The invention solves the technical problems that an existing river restoration technology is too high in treatment cost and not ideal in restoration effect. The method comprises the steps: 1, laying a microbial community layer at the bottom of a river; 2, arranging micro-nano aeration equipment above the microbial community layer in the step 1; 3, filling the river with a biological membrane filler, arranging a water inlet filter screen at the water inlet end, and arranging a water outlet filter screen at the water outlet end; and 4, planting aquatic plants on the water surface of the river, and planting terrestrial plants on the banks on the two sides of the river. Based on the ecological system principle, different biological populations and structures are adopted, a healthy aquatic ecological system is reconstructed, main functions of a water body ecological system are restored and strengthened, and the ecological system achieves a virtuous circle of overall coordination, self-maintenance and self-succession. The method is used for restoring the watershed polluted rivers.

Description

technical field [0001] The invention relates to the field of river basin pollution restoration. Background technique [0002] With the development of urbanization and industrialization in our country, the functions and functions of rivers in our country are constantly changing. At present, the rivers in most cities and regions in my country have been polluted by pollutants, and the water quality is deteriorating, which not only affects people's lives, but also brings harm to people's health. [0003] River ecological restoration has been paid more and more attention by people, and the technical means of river restoration are not the same. The damaged water system is repaired by various methods such as physical means, chemical means, and biological means, but from the restoration results, there are often There are certain deficiencies, the treatment cost is too high, secondary pollution is caused, and water body treatment is not durable and often repeated. Contents of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F3/02C02F3/34C02F9/14
CPCC02F3/32C02F3/02C02F3/34C02F1/001C02F2209/08C02F2209/14C02F2209/18C02F2209/10C02F2209/22C02F2103/007Y02W10/10Y02A20/402
Inventor 温春燕安坤侯磊
Owner 济南工程职业技术学院
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