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Multi-channel efficient biological filler and preparation method and application thereof

A biological filler and multi-channel technology, applied in the field of high-efficiency biological fillers with multi-channel shapes, can solve the problems of secondary pollution by chemical methods, poor effect, and large consumption of human and financial resources, and achieve the effect of reducing human maintenance and repair costs.

Inactive Publication Date: 2015-04-01
天津市生态环境科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] How to restore the original ecological structure of rivers and lakes? At present, traditional urban river management at home and abroad mainly adopts physical and chemical methods. Although these methods are effective, the effect will deteriorate over time, consuming a lot of human and financial resources.
And chemical methods are easy to cause secondary pollution to the environment, so it is not suitable to use

Method used

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  • Multi-channel efficient biological filler and preparation method and application thereof
  • Multi-channel efficient biological filler and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Composition of multi-channel high-efficiency biological filler:

[0045] 3 parts of composite clay; 0.05 parts of admixture;

[0046] 2 parts of powdery bacterial agent, 5 parts of composite sandstone;

[0047] Silicate 2 parts

[0048] Described admixture refers to concrete admixture (the market all has sales, and the external air-entraining agent in concrete admixture), by 0.05 part of mixture weight ratio, is evenly sprayed in the mixture with spray device;

[0049] The powdery bacterial agent refers to the composition of Bacillus, Paracoccus, and flocculation bacteria; wherein the weight ratio of Bacillus: Paracoccus: flocculation bacteria is 5:3:1; the composite clay refers to It is composed of clay, slag, slag, pulverized coal, and zeolite powder; the weight-number ratio of clay: slag: slag: pulverized coal: zeolite powder is 2:2:2:2:1;

[0050] The composite sand refers to the composition of gravel: volcanic rock: slag; wherein the weight ratio of gravel: volc...

Embodiment 2

[0064] 1 part of composite clay; 0.05 part of admixture;

[0065] 2 parts of powdery bacterial agent, 2 parts of composite sandstone, 1 part of silicate,

[0066] Described admixture refers to concrete admixture (the market all has sales, the air-entraining agent of admixture), by 0.05 part of mixture weight ratio, spray in the mixture evenly with spray device;

[0067] The powdery bacterial agent refers to the composition of Bacillus, Paracoccus, and flocculation bacteria; wherein the weight ratio of Bacillus: Paracoccus: flocculation bacteria is 5:3:1; the composite clay refers to It is composed of clay, slag, slag, pulverized coal, and zeolite powder; the weight-number ratio of clay: slag: slag: pulverized coal: zeolite powder is 2:2:2:2:1;

[0068] The composite sand refers to the composition of gravel: volcanic rock: slag; wherein the weight ratio of gravel: volcanic rock: slag is 1:1:1.

[0069] (1) Preparation method of powdery bacterial agent:

[0070] (1) Condition...

Embodiment 3

[0082] In river channel management, overflow dams are generally built on the river channel, divided into several sections (each section is about 200-500m in length), and a 0.3-0.5-meter-high long-term hollow biological filler is added above the overflow dam to control the water flow velocity. Increase the retention time of each section of the water body and improve the treatment efficiency. The high-efficiency biological filler with holes in the middle is used to maintain a certain elevation difference between each section. When the water is full from one section and flows into the other section, a small waterfall is formed, which plays the role of natural aeration and oxygenation. Each section of the river uses non-fired hollow bricks to create the slope of the river, and the mounds, stone mounds, and caves of the river are built to complicate the microenvironment of the river, which is beneficial to the restoration of the river and the purification of water.

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Abstract

The invention relates to a multi-channel efficient biological filler. The multi-channel efficient biological filler containing a multi-channel shape is prepared as follows: screening of an efficient dephosphorization denitrogenation bacteria strain, construction of a bacteria strain for efficient degradation of organic pollutants by genetic engineering, compounding of fly ash, silicate, clay, and incorporation of a hardening strength increasing admixture. The product is placed in river channels and lake and pool bottoms, or is used as a wetland substrate, fly ash, volcano rock and other materials in the product can absorb nitrogen and phosphorus, trace organic pollutants and other water bottom or pool bottom harmful substances, and supplement water trace elements, microorganisms in the product are capable of degrading the absorbed materials, removing water COD (chemical oxygen demand), ammonia nitrogen, total nitrogen, total phosphorus and turbidity, improving water pH, improving water transparency, and playing good effects on water quality purification of rivers, lakes, wetlands and other water bodies.

Description

technical field [0001] The invention relates to the integrated technology of physics, chemistry and biology in the fields of lake, river course and wetland restoration. More specifically, it is a multi-channel shape high-efficiency biological filler and its application. Background technique [0002] In recent years, with the development of industry and the concentration of population, people's pollution of rivers and lakes has become more and more serious, which is manifested in a large number of endocrine disruptors ( Endocrine Disrupting Chemicals, EDCs), anionic surfactants (Linear Alkylbenzene Sulphonates, LAS), pharmaceuticals and personal care products (Pharmaceutical and Personal Care Products, PPCPs) are directly discharged into rivers and lakes, causing water pollution and eutrophication . At the same time, a large number of chemical industrial parks have emerged in various places, and the wastewater produced by chemical industrial parks contains a large amount of...

Claims

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Application Information

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IPC IPC(8): C02F3/34C02F3/10C12N1/20
CPCC02F3/10C02F3/34C02F2101/16C02F2103/007C02F2209/06C02F2209/08C02F2209/11C02F2209/14C02F2209/16C12N1/20Y02W10/10
Inventor 段云霞乔楠许丹宇邓小文吕晶华石岩李晓静钟成郑先强袁敏张金鸿王玉洁余海晨李立春侯霙孙凯
Owner 天津市生态环境科学研究院
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