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Serious Water Pollution? Application of Recirculating Aquaculture Water Treatment Technology
Release time:
2024-06-28 15:35
In recent years, with the development of economy, the discharge of industrial wastewater and domestic sewage has increased greatly, causing environmental pollution. Accidents of dead fish caused by the deterioration of water quality in aquaculture ponds have occurred from time to time; large-scale high-density intensive aquaculture has caused a large number of microorganisms in the water body. There are more and more diseases, and the abuse of fish drugs is easy to cause drug damage and drug residues to fish and their consumers. Aquaculture is closely related to water, and the limitation of water resources restricts the development of aquaculture. Therefore, the purification and reuse of aquaculture water has become a research hotspot, which is the key technology for the sustainable development of inland fisheries. Through the analysis of statistical data and existing research literature, the following conclusions are drawn:
The aquaculture industry's own pollution is generally small. Although most of the low-trophic-level aquaculture varieties have the characteristics of low-carbon green, they will also cause pollution due to excessive breeding. Intensive methods such as cage farming and single-species over-dense farming are more polluting. On the basis of analyzing the main problems of pollution control, some suggestions were put forward, such as scientific zoning, expanding new space, strengthening the construction of standard system and environmental monitoring system based on environmental capacity, promoting the application of advanced environmental protection facilities and ecological health breeding mode.
In recent years, with the development of economy, the discharge of industrial wastewater and domestic sewage has increased greatly, causing environmental pollution. Accidents of dead fish caused by the deterioration of water quality in aquaculture ponds have occurred from time to time; large-scale high-density intensive aquaculture water has a large number of microorganisms Reproduction, more and more diseases, and the abuse of fish drugs is easy to cause phytotoxicity to fish and their consumers. The purification and reuse of aquaculture water has become a research hotspot, which is the key technology for the sustainable development of fisheries.
Water quality is the key to the success or failure of aquaculture, if scientifically managed, water resources can be reused. With the development of intensive scale, it will produce a lot of excrement and residual bait, resulting in the production of excessive ammonia, resulting in the death of aquatic organisms poisoning, while releasing toxic substances, destroying the entire ecological environment. Therefore, the purification of aquaculture water can improve the quality of its water body.
Then the question arises, what if the pollution of ecological water is improved?
Industrial aquaculture in the tall suspended solids treatment technology, in the circulating water industrial aquaculture, fish excrement, residual bait, biological mass and other suspended solids and solids, increased the turbidity of the water body, blocking the biological filter, affecting the performance of the system and fish health production. According to the development trend of modern fishery in China, combined with the research results and development trend of aquaculture water treatment technology at home and abroad, the physical, chemical and biological treatment technology and development trend of suspended and solid in factory aquaculture are discussed and analyzed, which lays the foundation for the research and development of new water treatment equipment.
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