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A method of slowing down the compaction of floating mud in muddy ports by using heterotrophic microorganisms

A silt and heterotrophic bacteria technology, applied in biological sludge treatment, polluted waterway/lake/pond/river treatment, etc. The effect of prolonging the maintenance dredging period, quick effect and slowing down the speed of compaction

Active Publication Date: 2017-03-22
TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are silty ports in foreign countries that have used inorganic chemoautotrophic bacteria to delay the compaction speed of floating mud, thereby increasing the application time of navigable water depth, which has produced huge economic benefits. However, the growth of inorganic chemoautotrophic bacteria depends on other Self-growth, which grows extremely slowly and produces low yields, resulting in it taking up to several years to produce results

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  • A method of slowing down the compaction of floating mud in muddy ports by using heterotrophic microorganisms

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Embodiment 1

[0018] A method for slowing down the compaction of floating mud in muddy ports by using heterotrophic bacteria microorganisms, comprising the following steps:

[0019] 1) Screening heterotrophic bacteria that can produce extracellular polymers and can slow down the compaction of floating mud in muddy ports from the floating mud of muddy ports;

[0020] In this example, the floating mud taken from the muddy port was used as the material, and Burkholderia was screened from the floating mud samples based on the ability of the colonies to produce extracellular polymers and slow down the compaction of the floating mud as indicators.

[0021] 2) Enabling heterotrophic bacteria to produce extracellular polymers and interacting the extracellular polymers with the floating mud in the silty port to slow down the compaction speed of the floating mud in the silty port.

[0022] In this embodiment, the specific method of the above-mentioned step 2) is: culture the heterotrophic bacteria in...

Embodiment 2

[0024] A method for slowing down the compaction of floating mud in muddy ports by using heterotrophic bacteria microorganisms, comprising the following steps:

[0025] 1) Screening heterotrophic bacteria that can produce extracellular polymers and can slow down the compaction of floating mud in muddy ports from the floating mud of muddy ports;

[0026] In this example, the floating mud taken from the muddy port was used as the material, and Burkholderia was screened from the floating mud samples based on the ability of the colonies to produce extracellular polymers and slow down the compaction of the floating mud as indicators.

[0027] 2) Enabling heterotrophic bacteria to produce extracellular polymers and interacting the extracellular polymers with the floating mud in the silty port to slow down the compaction speed of the floating mud in the silty port.

[0028] In this embodiment, the specific method of the above step 2) is: inoculate the heterotrophic bacteria into the f...

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Abstract

The invention discloses a method for alleviating density of float sludge of a silt port by using heterotrophic bacteria microorganisms. The method comprises the following steps: I) screening heterotrophic bacteria which can generate extracellular polymeric substances and alleviate float sludge of the silt port from float sludge of the silt port; and II) generating the extracellular polymeric substances by heterotrophic bacteria and carrying out interaction on extracellular polymeric substances and the float sludge of the silt port so as to alleviate the dense speed of the float sludge of the silt port. By selecting the heterotrophic bacteria microorganisms of the float sludge of the silt port, interaction on extracellular polymeric substances (EPS) and the float sludge of the silt port is carried out to alleviate the dense speed of the float sludge of the silt port, so that the application period of navigational depth is prolonged, the maintaining and dredging period can be prolonged, the operational cost of port enterprises is lowered, and the economical benefit is improved.

Description

technical field [0001] The invention relates to a method for slowing down the compaction of floating mud in a muddy port, in particular to a method for slowing down the compaction of floating mud in a muddy port by using heterotrophic microorganisms. Background technique [0002] For silty ports, the deposition of sediment will have a great impact on the navigation of ships in the port, and regular cleaning of port deposition not only wastes a lot of manpower, material resources, and funds, but also affects the environment. The floating mud has a certain fluidity, and the floating mud with a weight less than the seaworthy weight can be used as the water depth without affecting the ship's operational performance, thereby prolonging the maintenance and dredging cycle and saving a lot of maintenance and dredging costs for port enterprises. However, the floating mud will continue to become dense with the passage of time, causing the weight value of the floating mud to gradually ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/02
CPCC02F11/02C02F2103/007
Inventor 庞启秀张瑞波韩培培温春鹏贾士儒孙保江
Owner TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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