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Refuse recycled novel biological aggregate special for wet land and preparation method thereof

A resourceful and biological technology, applied in chemical instruments and methods, special compound water treatment, biological water/sewage treatment, etc., can solve the problems of wetland resource construction waste recycling and utilization, and achieve the effect of improving troubles and reducing costs

Inactive Publication Date: 2016-04-13
BEIJING RONGDISHENG ENVIRONMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Combining the deficiencies of the prior art, the purpose of the present invention is to provide a new type of wetland-specific bio-aggregate and its preparation method after waste recycling, which can effectively solve the limitations of wetland resource management and the difficulty of recycling and utilization of construction waste.

Method used

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preparation example Construction

[0020] A method for preparing wetland-specific novel bio-aggregate after recycling waste, comprising the following steps:

[0021] ①Crush the construction waste and screen the broken particles as the carrier;

[0022] ②Stack the carrier in grades according to the size of the particle size, put an appropriate amount of microbial strains on the stacked carriers, and carry out the carrier film coating of the strains;

[0023] ③ The carrier of the microbial strains is piled up for 4-5 days, and the microbial strains multiply rapidly on the carrier, and the number of microbial strains required for sewage treatment is (5×10 8 -5×10 10 ) cfu / ml.

[0024] The particle size of the carrier described in step ① is 5-60mm.

[0025] In step ②, 1 cubic meter of the carrier is put into 1 kg of the biological strain, and the stack of the carrier is propagated in a warm and humid environment with an outdoor temperature of 5-45°C.

[0026] Preferably, the construction waste includes concrete...

Embodiment 1

[0030] The invention can be widely used in various sewage treatment processes, and can replace various forms of polymer biological carriers and inorganic biological carriers in existing sewage treatment systems in combination with different particle sizes and filling methods of recycled aggregates.

[0031] At present, the following five types of microorganisms suitable for bio-filming after recycling of construction waste have been successfully isolated and their application effects:

[0032] (1) Organomineralizing Bacillus

[0033] A strain of Bacillus has a daily COD degradation rate of 73% to 78%. Its main physiological functions are: rapidly degrade organic matter and participate in the ammonification reaction of microbial denitrification.

[0034] (2) Nitrobacter

[0035] A bacterium with strong nitrification ability, its ammonia nitrogen degradation rate reaches 65% to 81%; under the optimal culture conditions, the number of bacteria can reach 5×10 9 cfu / ml.

[0036]...

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Abstract

The invention relates to the field of water purification, in particular to a refuse recycled novel biological aggregate special for wet land. The novel biological aggregate comprises building refuse, the building refuse is used as a carrier, microorganisms are fixed to the carrier for reproduction on the basis of the effects of physical absorption, ion binding, covalent binding, biological specificity adsorption and the like between the microorganisms and the carrier, and the biological aggregate is formed. The water in the wet land can be effectively and rapidly purified so as to accord with the standards of natural ecology, and meanwhile a pollution main body is gradually prevented from continuing to be bred; a large amount of building refuse is consumed, the trouble caused by the building refuse to the city is effectively relieved, and the building refuse is better recycled.

Description

technical field [0001] The invention relates to the field of water body purification, in particular to a new type of biological aggregate specially used for wetlands. Background technique [0002] Wetland resources are closely related to the survival, reproduction and development of human beings. They are the most abundant and diverse ecological landscapes in nature and one of the most important living environments for human beings. They not only provide a variety of resources for human production and life, but also have huge environmental functions. and benefits. It plays an irreplaceable role in other systems in resisting floods, regulating runoff, storing floods and preventing droughts, controlling pollution, regulating climate, controlling soil erosion, promoting siltation and land reclamation, and beautifying the environment. Therefore, wetlands are known as the "kidneys of the earth." [0003] my country has more than 65 million hectares of wetlands, accounting for ab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34
CPCC02F3/34C02F2303/06C02F2305/06
Inventor 张博鑫
Owner BEIJING RONGDISHENG ENVIRONMENT TECH
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