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A thin-layer surface flow wastewater treatment carrier, wastewater treatment and bacteria recovery system and method

A technology for wastewater treatment and surface flow, which is applied in biological water/sewage treatment, water/sludge/sewage treatment, biomass post-treatment, etc. Slow and other problems to achieve the effect of tight integration

Active Publication Date: 2022-05-06
广东博源环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the use of photosynthetic microorganisms to treat sewage is usually suspended, and the bacteria are lost with the sewage, and the biomass cannot be recovered.
Or the photosynthetic microorganisms are loaded on the filler, but the natural binding force is not tightly adsorbed on the filler, and it is very easy to be washed off by water.
In addition, due to the limited metabolic kinetics of photosynthetic bacteria, the metabolism of pollutants in sewage is relatively slow
Due to the above reasons, the efficiency of sewage treatment and the recovery of bacteria are low

Method used

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  • A thin-layer surface flow wastewater treatment carrier, wastewater treatment and bacteria recovery system and method
  • A thin-layer surface flow wastewater treatment carrier, wastewater treatment and bacteria recovery system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] (1) Preparation of conductive glass with nanohole array on the surface

[0059] Through laser surface etching technology, a nano-hole array is formed on the surface of the conductive glass layer. The etching parameters are: hole spacing 100nm, hole diameter 80nm, hole depth 10nm, and a conductive glass with a nano-hole array on the surface is obtained. ;

[0060] (2) Preparation of carbon-based catalytic layer

[0061] ①Nano-Mn with a particle size of 10nm 3 o 4 , nano-Fe with a particle size of 10nm 3 o 4 According to the mass ratio of 1:2, add it into the 1mol / L potassium chloride electrolyte solution, and sonicate for 30 minutes;

[0062] 2. Under the condition of isolating the air, add pyrrole monomer in the reaction system of step (1), and continue to stir for 60 min; wherein, the consumption of pyrrole is 0.1% of the reaction system volume of step (1);

[0063] ③The carbon paper is immersed in the reaction system of step (2) as an electrode, and then a 0.8V ...

Embodiment 2

[0067] (1) Preparation of conductive glass with nanohole array on the surface

[0068] Through laser surface etching technology, a nano-hole array is formed on the surface of the conductive glass layer. The etching parameters are: the hole spacing is 20nm, the hole diameter is 30nm, and the hole depth is 50nm, and the conductive glass with the nano-hole array on the surface is obtained. ;

[0069] (2) Preparation of carbon-based catalytic layer

[0070] ①Nano-Mn with a particle size of 100nm 3 o 4 , Nano-Fe with a particle size of 100nm 3 o 4 According to the mass ratio of 1:5, add it into 1mol / L potassium chloride electrolyte solution, and ultrasonicate for 60min;

[0071] 2. Under the condition of cutting off air, add pyrrole monomer in the reaction system of step (1), continue to stir for 30min; Wherein, the consumption of pyrrole is 1% of the reaction system volume of step (1);

[0072] ③ carbon paper is immersed in the reaction system of step (2) as an electrode, and ...

Embodiment 3

[0076] (1) Preparation of conductive glass with nanohole array on the surface

[0077] Through laser surface etching technology, a nano-hole array is formed on the surface of the conductive glass layer. The etching parameters are: hole spacing 50nm, hole diameter 40nm, hole depth 40nm, and a conductive glass with a nano-hole array on the surface is obtained. ;

[0078] (2) Preparation of carbon-based catalytic layer

[0079] ①Nano-Mn with a particle size of 60nm 3 o 4 , Nano-Fe with a particle size of 60nm 3 o 4 According to the mass ratio of 1:3, add it into the 1mol / L potassium chloride electrolyte solution, and sonicate for 45 minutes;

[0080] 2. Under the condition of cutting off the air, add pyrrole monomer in the reaction system of step (1), and continue to stir for 45min; wherein, the consumption of pyrrole is 0.5% of the reaction system volume of step (1);

[0081] ③ carbon paper is immersed in the reaction system of step (2) as an electrode, and then a 1.0V con...

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Abstract

The invention belongs to the field of waste water biological treatment and recycling, and in particular relates to a thin-layer surface flow waste water treatment carrier, a waste water treatment and bacterium recovery system and method. The thin-layer surface flow wastewater treatment carrier sequentially comprises a conductive glass layer with a nanometer pore array on the surface, an ultrafiltration membrane layer and a carbon-based catalyst layer. The present invention also provides a waste water treatment and bacterium recovery system comprising the above-mentioned carrier, using the system to make waste water pass through the above-mentioned thin-layer surface-flow waste water treatment carrier loaded with photosynthetic bacteria in a slow thin-layer surface flow mode, increasing waste water and The contact surface and contact time of photosynthetic bacteria, combined with photosynthetic electron extraction and electrochemistry to promote the metabolism of photosynthetic bacteria and release extracellular secretions, improve the efficiency of wastewater treatment and the adsorption strength between photosynthetic bacteria and carriers and increase the adsorption capacity to achieve synchronous wastewater Efficient treatment and efficient enrichment and recovery of photosynthetic bacteria.

Description

technical field [0001] The invention belongs to the field of waste water biological treatment and recycling, and in particular relates to a thin-layer surface flow waste water treatment carrier, a waste water treatment and bacterium recovery system and method. Background technique [0002] Compared with physical and chemical methods, wastewater biological treatment has technical advantages such as economy, high efficiency and green environmental protection. However, the traditional wastewater biological treatment technology produces a large amount of sludge, and subsequent treatment is difficult and expensive. Photosynthetic microorganisms can use solar energy to decompose pollutants in sewage or synthesize their own biomass through assimilation, and photosynthetic microorganisms themselves are a potential biomass resource that can be used to produce high value-added products or biofuels. At present, the use of photosynthetic microorganisms to treat sewage is usually suspen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/34B01J31/32B01J31/06C12M1/00C12M1/26
CPCC02F3/34B01J31/06B01J31/32C12M33/00C12M33/02C02F2101/30
Inventor 孙健张鸿郭
Owner 广东博源环保科技有限公司