Hydrolysis acidification tank fixed bed plate packing is a new type of water treatment technology, which uses fixed bed plate packing to treat wastewater. This technology can effectively remove the insoluble organic matter in the wastewater without adding any chemicals, and can improve the biodegradability of the wastewater and create favorable conditions for the subsequent aerobic biological treatment.
The principle of fixed-bed plate packing in hydrolysis acidification tanks is mainly based on fluid mechanics and biofilm theory. In terms of fluid mechanics, wastewater flows in the filler voids, and the magnitude and direction of the flow rate determine the growth and shedding of the biofilm. In terms of biofilm theory, microorganisms attach to the surface of the filler to grow to form a biofilm, and the organic matter in the wastewater is degraded by contact with the biofilm.
Biofilm formation is a dynamic process that includes three stages: adsorption, growth, and shedding. In the adsorption stage, microorganisms quickly adsorb on the surface of the filler, forming a thin biofilm. During the growth phase, the microorganisms continue to multiply and the biofilm gradually thickens. During the shedding phase, some of the aged biofilm is detached from the surface of the filler and carried away by the water stream.
The design of the fixed bed plate packing of the hydrolysis acidification tank needs to consider the material, shape, size, porosity, filling rate, water flow mode and other factors of the filler. The material of the filler should have good corrosion resistance and biocompatibility; The shape and size of the filler should be conducive to the growth and shedding of the biofilm; The void ratio should ensure that the wastewater does not clog when it flows through the filler; The filling rate should ensure that the packed bed has sufficient biomass; The water flow can be either push-flow or fully mixed, depending on the situation.
In practical applications, the fixed bed plate packing of the hydrolysis acidification tank can be used to treat a variety of wastewater, such as food wastewater, pharmaceutical wastewater, papermaking wastewater, etc. It can be used as part of a pre-treatment or advanced treatment process to improve the biodegradability of wastewater and reduce contaminant concentrations. At the same time, this technology can also be used to improve the biodegradability of wastewater and create favorable conditions for subsequent aerobic biological treatment.
Hot Spot Engine Program In conclusion, fixed-bed plate packing for hydrolysis acidification tanks is a water treatment technology with broad application prospects. It uses fixed-bed plate packing to treat wastewater, and realizes the effective removal of insoluble organic matter and the improvement of biodegradability of wastewater through the adsorption, growth and shedding process of biofilm. Future research will further improve the treatment effect and stability of the fixed-bed plate packing technology in the hydrolysis acidification tank.