Double-layer sediment remediation capsule and application thereof

A bottom sludge, double-layer technology, applied in biological sludge treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of microbial loss, large amount of engineering, high investment demand, and prolong the action time. , the effect of improving the ability

Active Publication Date: 2020-12-04
佛山市绿之源环保技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although sediment dredging and artificial aeration can achieve certain results in a short period of time, the engineering volume is huge, the investment demand is high, and the long-term control of pollutants and the recovery of benthic biological communities are not effective.
Compared with sediment dredging and artificial aeration, the bio-ecological method is a scientific, environmentally friendly, green and effective restoration method. However, due to the influence and limitation of various factors on the growth of microorganisms, the nitrogen and phosphorus content in urban sewage continues to increase. These high Concentration nitrogen, phosphorus pollutants, and heavy metal toxic substances will inhibit the life activities of traditional microorga

Method used

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  • Double-layer sediment remediation capsule and application thereof
  • Double-layer sediment remediation capsule and application thereof
  • Double-layer sediment remediation capsule and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0051] Example 1

[0052] The mass parts of each component of the double-layer mud repair capsule in this example are: each component in the outer bacterial liquid coating layer is: 1 part of sodium alginate, 4 parts of polyacrylamide, 25 parts of EM bacterial liquid, 60 parts of water; the components in the inner adsorption material layer are: 1 part of sodium alginate, 6 parts of calcium peroxide, 6 parts of diatomaceous earth, 8 parts of fine sand, and 75 parts of water.

[0053] The preparation method of the above-mentioned double-layer mud repairing capsule, comprises the following steps:

[0054] (1) Dissolve sodium alginate completely into flocculent colloids with water, mix with calcium peroxide, diatomite and fine sand, stir and mix to form flocs, add cross-linking reagent (calcium chloride solution), and carry out cross-linking The reaction was carried out for 15 minutes to obtain an inner layer of adsorbent material;

[0055] (2) Dissolve sodium alginate completel...

Example Embodiment

[0056] Example 2

[0057] The mass parts of each component of the double-layer mud repair capsule in this embodiment are: each component in the outer bacterial liquid coating layer is: 4 parts of sodium alginate, 8 parts of polyacrylamide, 30 parts of EM bacterial liquid, 80 parts of water; the components in the inner adsorption material layer are: 4 parts of sodium alginate, 15 parts of calcium peroxide, 15 parts of diatomaceous earth, 15 parts of fine sand, and 90 parts of water.

[0058] The preparation method of the above-mentioned double-layer mud repairing capsule is as described in Example 1.

Example Embodiment

[0059] Example 3

[0060] The mass parts of each component of the double-layer mud repair capsule in this embodiment are: each component in the outer bacterial liquid coating layer is: 1 part of sodium alginate, 2 parts of polyacrylamide, 20 parts of EM bacterial liquid, 60 parts of water; the components in the inner adsorption material layer are: 1 part of sodium alginate, 6 parts of calcium peroxide, 6 parts of diatomaceous earth, 8 parts of fine sand, and 75 parts of water.

[0061] The preparation method of the above-mentioned double-layer mud repairing capsule is as described in Example 1.

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Abstract

The invention discloses a double-layer sediment remediation capsule and application thereof. The double-layer sediment remediation capsule is divided into an outer bacterial liquid coating layer and an inner adsorption material layer, the outer bacterial liquid coating layer provides nutrient substances for microorganism growth on one hand and protects microorganisms from being affected by the external environment on the other hand, the environment adaptation capacity of the microorganisms is improved; nutrients can be provided for the growth of microorganisms by degrading sediment pollutants;the double-layer sediment remediation capsule is different from a traditional sediment remediation powdery agent, is not influenced by water flow, cannot be lost along with the water flow, has a slowrelease effect, prolongs the action time, and acts on black and odorous bottom mud for a long time.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a double-layer bottom mud restoration capsule and its application. Background technique [0002] The prevention and control of urban black and odorous water pollution is a water environment problem that every country pays close attention to and people's livelihood reflects strongly. DO (dissolved oxygen, dissolved oxygen) in the water body reduces or even completely eliminates the concentration of DO (dissolved oxygen) in the water body, resulting in black and odorous water; in addition, the high content of N and P substances in the water body will also cause the water body to turn black and hairy Smelly. The effectiveness of sediment treatment is the key to the battle against black and odorous water bodies in urban water treatment projects. [0003] At present, the commonly used black and odorous sediment restoration methods mainly include sediment dredging, artificia...

Claims

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Application Information

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IPC IPC(8): C02F11/02C02F101/30
CPCC02F11/02C02F2101/30Y02W10/10
Inventor 梁梦芽张晓爽范培文刘震宇柯伟键
Owner 佛山市绿之源环保技术有限公司
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