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A water pollution treatment method utilizing blue-green algae and based on an active microorganism technique

A microbial technology, water pollution technology, applied in the field of sewage treatment, cyanobacteria treatment of water pollution based on active microbial technology, can solve the problems of destroying the ecological balance of water, changing the ecological environment of water, secondary pollution of water, etc., and achieve rapid restoration of ecological purification function, reduce the amount of fertilizer application, and restore the ecological balance

Inactive Publication Date: 2018-05-15
郑州神草生物技术有限公司
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  • Claims
  • Application Information

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Problems solved by technology

Especially when the pollutants in the water cannot be completely separated from the water, on the one hand, it will directly affect the transparency of the water, thereby hindering the photosynthesis of aquatic organisms and plants in the water body, affecting the healthy growth of aquatic organisms, microorganisms, plants, etc., and ultimately destroying the ecological balance of the water body On the other hand, the separated pollutants are difficult to collect and utilize due to sinking into the bottom of the water, and will cause secondary pollution of the water body again. At the same time, the gradual accumulation of sinking pollutants will affect the water depth and change the original water ecological environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In this embodiment, the sewage of a certain river is purified. The indicators of the river water before treatment are: total phosphorus<0.28mg / L, total nitrogen<1.3mg / L, arsenic<0.08mg / L, lead<0.045mg / L L, for the four types of water quality of surface water environment quality.

[0034] The specific processing method is as follows:

[0035] 1. In the upper reaches of the river, put in the artificially cultivated cyanobacteria solution with a cyanobacteria dry matter content of 0.5g / L, and the flow rate of the cyanobacteria solution is 1% of the water flow;

[0036] 2. Put in the active biological water purifier at the same time as the cyanobacteria liquid, the flow of the active biological water purifier is 0.1% of the water flow,

[0037] 3. Salvage and collect the flocs floating on the river surface in the downstream of the river, and at the same time detect the indicators of the downstream river water: total phosphorus <0.1mg / L, total nitrogen <0.5mg / L, arsenic <0....

Embodiment 2

[0057] The present embodiment purifies the sewage of a certain river. There is a pond where blue-green algae explodes near the river. The dry matter content of blue-green algae in the blue-green algae liquid in the pond is 3g / L. The index of the water before the treatment of this river is as follows: Total phosphorus < 0.30mg / L, total nitrogen < 1.5mg / L, arsenic < 0.09mg / L, lead < 0.048mg / L, which is the fourth category of surface water quality.

[0058] The specific processing method is as follows:

[0059] 1. In the upstream of the river, the cyanobacteria solution with a dry matter content of 3g / L of cyanobacteria introduced into the pond through the pipeline, and the flow rate of the cyanobacteria solution is 0.1% of the water flow;

[0060] 2. Add active biological water purifier while introducing cyanobacteria liquid, the flow rate of this active biological water purifier is 0.01% of the water flow,

[0061] 3. Salvage and collect the flocs floating on the river surface...

Embodiment 3

[0073] In this embodiment, the sewage of a certain pond where cyanobacteria broke out is purified. The cyanobacteria dry matter content of the cyanobacteria liquid in the northwest position in the pond is 4g / L, because the pond also has water flow into the pond, and the water flow into the pond is also sewage. Therefore, at the same time, it is necessary to purify the water flow into the pool. Before the treatment, the water flow indicators at the entrance of the pool are: total phosphorus <0.25mg / L, total nitrogen <1.1mg / L, arsenic <0.06mg / L, lead <0.055mg / L , which is the fourth category of surface water quality; the indicators of pond water before treatment are: total phosphorus <0.45mg / L, total nitrogen <2.5mg / L, arsenic <0.15mg / L, lead <0.15mg / L, for Severely polluted water quality.

[0074] The specific processing method is as follows:

[0075] 1. In the upstream of the water flow into the pond, introduce the cyanobacteria solution with a cyanobacteria dry matter conten...

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Abstract

A water pollution treatment method utilizing blue-green algae and based on an active microorganism technique is provided. A blue-green algae solution and an active microorganism water purifying agentare added into river basins or lakes or ponds, and therefore a food snatching capability of large amount of nutritive substances of beneficial microorganisms is enhanced so that reproduction and growth of the beneficial microorganisms are accelerated, the beneficial microorganisms become dominant active microorganisms and can rapidly absorb and degrade organic matters in water, and other harmful microorganisms are inhibited. In a rising process of the blue-green algae, nitrogen and phosphorus nutrients, heavy metals and other suspended matters in water are adsorbed and immobilized, and therefore refloatation and collection are convenient, the blue-green algae can be adopted as a raw material of an efficient organic fertilizer, the application amount of chemical fertilizers is reduced, theblue-green algae which are a waste material are turned into things of value so that harm is converted into benefit, beneficial treatment in which waste is utilized to treat waste is achieved, water ismade clear and transparent, aquatic creatures and plants in water can grow healthily under sufficient photosynthesis, a water body ecological cleaning function is recovered rapidly, and an original ecology balance of a water body is finally restored.

Description

technical field [0001] The invention relates to a sewage treatment method, in particular to a method for treating water body pollution by cyanobacteria based on active microorganism technology, and belongs to the technical field of water treatment. technical background [0002] Purification of water bodies in river basins, lakes and ponds is a very difficult and complex system engineering. It is difficult to achieve the purpose of purification and achieve the ideal purification effect only with a single physical, chemical or biological method. Especially when the pollutants in the water cannot be completely separated from the water, on the one hand, it will directly affect the transparency of the water, thereby hindering the photosynthesis of aquatic organisms and plants in the water body, affecting the healthy growth of aquatic organisms, microorganisms, plants, etc., and ultimately destroying the ecological balance of the water body On the other hand, the separated polluta...

Claims

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Application Information

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IPC IPC(8): C02F3/32C02F3/34
CPCC02F3/325C02F3/348
Inventor 不公告发明人
Owner 郑州神草生物技术有限公司
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