Complete set of biological soil deodorization equipment

Complete set of biological soil deodorization equipment

Biological washing filter deodorization complete equipment

1、 Introduction to Deodorization in Biological Washing Filter

The biological washing filtration deodorization device combines three biological technologies: biological washing, biological drip filtration, and biological filtration. It is a new type of composite biological deodorization device developed based on the advantages of the three biological technologies. Generally, for industrial systems that are difficult to handle, deodorization is carried out. The odor is washed through the inlet washing area, and then washed with pre water or concentrated chemical washing solution. In the washing area, the absorption of the water chemical agent for the odor is completed, and the pre-treatment of dust removal and humidification is carried out. The odor gas that has not been removed enters the multi-stage biological filter bed filtration zone again. When passing through the filtration layer, pollutants are transferred from the gas phase to the surface of the biofilm

2、 Principle of biological washing, filtration and deodorization

The deodorization technology of biological washing filter is based on the same principle as the biological filter method, except that it adds a washing pretreatment system and enhances the adsorption and chemical absorption of detergents. The deodorization technology of biological washing filter mainly includes sealed systems for polluted areas, odor collection and transportation systems, and biological filters. The adsorption purification in biofilters generally goes through the following steps: ① Organic pollutants in exhaust gas first come into contact with water and dissolve (or mix) in the water, that is, they diffuse into the liquid film through the gas film; ② The organic pollutants dissolved (or mixed) in the liquid film are further diffused into the biofilm by the concentration difference, and then captured and absorbed by the microorganisms inside; ③ The organic pollutants that enter the microbial body are decomposed as energy and nutrients in their own metabolic processes, ultimately transforming into harmless compounds. In the purification process, the total absorption rate mainly depends on the diffusion rate of organic pollutants in the gas and liquid phases (gas film diffusion, liquid film diffusion) and the biochemical reaction rate.

3、 Characteristics of biological washing, filtration and deodorization technology

1. Low construction cost investment and operating cost.

2. Adding washing pretreatment can deodorize industrial wastewater systems that are difficult to treat.

3. Biological fillers are inorganic fillers with good mechanical structure and biological properties.

4. High processing efficiency and significant removal effect.

5. Easy to maintain and repair, occupies less space, is easy to install, and has short debugging time.

1、 Introduction to Biological Soil Deodorization
In the soil biological deodorization system, gas is sent in by a fan, and then evenly distributed through a diffusion layer after passing through a certain graded gas distribution system. The upper part of the diffusion layer is composed of a mixture of sand and fine stones, and the lower part is composed of coarse and fine stones. The gas enters the soil layer through the diffusion layer. The medium used for the soil layer is surface fertile soil, especially humus, which needs to be improved if necessary to form adhesive particles with adsorption properties in the soil and increase the aeration of the bed.

2、 Composition of biological soil deodorization system

The biological soil deodorization system consists of three parts:
1. Odor gas collection system, including odor gas diffusion restriction and odor gas transportation
2. Deodorizing fan and its control system
3. Odorous gas biological soil treatment system

3、 Characteristics of Biological Soil Deodorization

1. Low maintenance and management costs, good deodorization effect;
2. Low construction cost
2. The footprint is relatively large compared to biological filters;
3. It is not suitable for areas with rainstorm and snow. Gas with high temperature, high humidity and water dust must be pretreated.

Complete set of biological soil deodorization equipment