Combined high-efficiency river water quality purification process

A water purification and combined technology, which is applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the limitations of water purification effect, unsatisfactory purification effect, floating island purification Limited effect and other problems, to achieve the effect of optimizing landscape, no power consumption, convenient management and maintenance

Inactive Publication Date: 2011-04-13
SHANGHAI EUBO ENVIRONMENT ENG
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The submerged biological filter bed is one of the main process forms of the biofilm method. It has the characteristics of less investment in infrastructure, low energy consumption and operating costs, simple operation, and easy maintenance. and other substances have a good removal effect, but the phosphorus removal effect is poor, and other methods need to be combined to purify the water quality
[0004] The biological bacterial agent method uses biological bacterial agents to purify water. The biological bacterial agents contain various bacterial flora, enzymes that degrade pollutants and nutrients that promote microbial growth, which can accelerate the growth of microorganisms and the evolution of organisms in the process of water purification. It can promote the degradation of organic matter in water, can significantly remove pollutants such as ammonia nitrogen and phosphorus, can significantly increase disso

Method used

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  • Combined high-efficiency river water quality purification process
  • Combined high-efficiency river water quality purification process
  • Combined high-efficiency river water quality purification process

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1. Submerged biological filter bed method

[0024] The submerged biological filter bed can greatly increase the number of microorganisms in the water body by hanging the film through the filler, and achieve the purpose of accelerating the decomposition of pollutants.

[0025] The biological filter bed is framed by moso bamboo, with a density of 30 elastic three-dimensional fillers / m 3 , using polyethylene rope for binding and fixing. After the filter bed is launched into the water, it is riveted with heavy objects, and pilings are driven on the river bank to prevent the filter bed from shifting during drainage.

[0026] The parameters of the elastic three-dimensional packing are as follows:

[0027]

[0028] 2. Biological agent method

[0029] The biological bacterial agent method is to put aerobic, facultative and anaerobic microbial flora in the water body, supplement or activate the microbial flora in the water body, quickly decompose organic matter and other p...

Embodiment 2

[0042] The length of the river is about 100m, the water volume is 12,000 cubic meters, and the submerged biological filter bed is 300m 3 , a total of 4000kg of biological agents, 800m of aquatic plant floating islands 2, put silver carp and bighead carp 960kg and 240kg respectively. After a one-year purification period of the system, the transparency of the water body is significantly improved from 40cm to 70-80cm, and DO can be maintained above 2.0mg / L. The removal rate of main pollutants is as follows:

[0043]

Embodiment 3

[0045] The river channel is about 150m long, with a water volume of 18,000 cubic meters, and a submerged biological filter bed of 500m 3 , a total of 6,000kg of biological agents, and 1,500m of aquatic plant floating islands 2 , 1600kg and 400kg of silver carp and bighead carp were put in, and 200kg of Chinese ring snails. After a one-year purification period of the system, the transparency of the water body is significantly improved, from 40cm to 90-120cm, and DO can be maintained above 2.0mg / L. The removal rate of main pollutants is as follows:

[0046]

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Abstract

The invention provides a combined high-efficiency river water quality purification process, which comprises the following steps of: purifying the water quality in rivers by simultaneously adopting an immersed biological filter bed and a microbial method, establishing an aquatic plant floating island and stocking filter-feeding fishes and zoobenthos. In the process, the water quality is purified by fully utilizing microorganisms, aquatic plants and animals in a system, the living conditions of aquatic organisms in the rivers are improved and simultaneously the effect of optimizing landscape is achieved.

Description

technical field [0001] The invention belongs to the field of ecological restoration of water environment, and in particular relates to a water purification process, in particular to a combined high-efficiency river water purification process. Background technique [0002] With the development of industrialization and the improvement of people's material living standards, the discharge of a large amount of industrial wastewater and domestic sewage has caused varying degrees of pollution to the water environment. Eutrophication of water bodies is currently a national water environment problem. Therefore, rivers and lakes The water purification of reservoirs has also become a research hotspot in recent years. [0003] The biofilm method refers to making the microbial population attach to the surface of some carriers in the form of a film. Through contact with sewage, the microorganisms on the biofilm absorb the organic matter in the sewage as nutrients and assimilate it, thereb...

Claims

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Application Information

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IPC IPC(8): C02F3/34C02F3/32
CPCY02W10/10
Inventor 李继香何淑英李俊英贾仁勇
Owner SHANGHAI EUBO ENVIRONMENT ENG
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