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A treatment technology for habitat control in bottom mud area

A technology of sediment and habitat, applied in sludge treatment, biological sludge treatment, water/sludge/sewage treatment, etc., can solve problems such as environmental factors, etc.

Active Publication Date: 2021-04-27
福建智睿环保科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the main problems in the sediment area are: photooxygen is the main environmental factor short board; facultative and aerobic microorganisms are the main biological short board; usually the shortage of mineral ions required for the mineralization of organic pollutants is the short board of the matrix factor From this theoretical reasoning, it can be concluded that the key to habitat management in the sediment area is to provide sufficient mineral ions and a living environment for facultative and aerobic microorganisms

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0029] Specific embodiment one: a rural pond in Heshi Town, Luojiang District, Quanzhou City, Fujian Province (one of the two small ponds in the same village as the previous invention), first use this method to repair the bottom mud, and then use the previous invention to repair The water body is compared with the single use of the previous invention to restore the water body.

[0030] 0.2% hydrogen peroxide and 1% calcium nitrate were injected into the sediment restoration, and after 1 day, it was found that the covered sediment area had changed from black to grayish brown when sampling. After stopping the drug for 1 day, pump EM bacteria according to the weight of 10 grams per square meter, and supplement 30 grams of starch as a medium, 50 grams of dolomite mineral powder as an alkaline agent, and continue to pump oxygen-enriched water for 5 days. After 5 days, the sediment was found A stable crust-like surface has been formed, grayish brown, which proves that the bottom mud...

specific Embodiment 2

[0031] Specific embodiment two: a blue-green algae outbreak pond in Quanzhou City, Fujian Province. After putting in a large amount of clay to sink algae, use this method to restore the algae-bearing sediment (the water quality in the experiment before repairing the algae-bearing sediment was obviously deteriorated due to the rot of cyanobacteria).

[0032] 0.3% hydrogen peroxide and 3% calcium nitrate are mainly used for sediment restoration, and a small amount of ferric nitrate is pumped in as a catalyst. After pumping, it is covered and placed, and a little lost agent is added the next day. After 5 days, cyanobacteria in the sinking sediment are found It turns yellow and dies, while the bottom mud turns gray-brown on the first day. After stopping the drug for 1 day, pump in the mixture of nitrifying bacteria, photosynthetic bacteria and EM bacteria according to the weight of 20 grams per square meter (the ratio is confidential), and supplement 50 grams of starch as the medi...

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Abstract

The invention discloses a treatment process for habitat control in bottom mud areas, which comprises the following steps: (1) laying mold bags; (2) pumping chemicals; (3) increasing oxygen; (4) transferring mold bags. Compared with the prior art, the present invention has the advantages that: the present invention breaks through the problems existing in the above four bottom mud treatment systems, and has good universality. After the mold bag is clogged, it can be flushed by pumping oxidants, biological enzymes, acids, high-pressure gas, etc. It can be transferred and reused, and the operation is convenient and the treatment effect is good.

Description

technical field [0001] The invention relates to a water body treatment device and method, in particular to a treatment process for habitat treatment in bottom mud areas. Background technique [0002] In the treatment of relatively large rivers and lakes, the treatment of endogenous pollution is the key focus, and the current main international schools of silt treatment are: off-site treatment - after dredging, compressed by geotechnical belts or presses and stacked; In-situ treatment—Usually, a large number of microorganisms are put into the bottom of the water for a long time, so that the microorganisms can decompose the sediment to achieve the digestion function; The sediment surface is covered. But these methods have certain problems: [0003] Dredging treatment: dredging is often used when the silt is serious and affects the capacity of rivers and lakes, but the cost of dredging and subsequent sludge treatment is very high, and it is currently difficult to find a place...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/00C02F11/06C02F11/02
CPCC02F11/00C02F11/02C02F11/06C02F2103/007
Inventor 陈楷翰
Owner 福建智睿环保科技发展有限公司
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