Factory recirculating aquaculture system
Factory recirculating aquaculture is an intensive aquaculture model that adopts modern industrial technologies and equipment to create a suitable growth environment for aquatic organisms by recycling and regulating the quality of aquaculture water. Its core principle is to remove harmful substances such as ammonia - nitrogen, nitrite, and suspended solids in aquaculture wastewater through physical, chemical, and biological methods. At the same time, it supplements oxygen, adjusts water temperature, pH value,and other water quality parameters, enabling the recycling of aquaculture water and thus realizing the efficient and sustainabledevelopment of the aquaculture process.
Advantages
1. Efficient Resource Utilization: By recycling water, the water consumption in the aquaculture process is greatly
reduced. Compared with traditional flow - through aquaculture or pond aquaculture, it can save more than 90% of water. At the same time, the precise feed feeding system and efficient water purification technology help to improve feed utilization and reduce feed waste, realizing the maximum utilization of resources, reducing production costs, and improving economic benefits.
2. Stable Aquaculture Environment: It can accurately control key water quality parameters such as temperature, dissolved oxygen, pH value,ammonia - nitrogen, and nitrite of the aquaculture water, avoiding the stress reaction and disease spread of cultured organisms caused by changes in the natural environment (such as seasonal changes, climate changes, water pollution, etc.). It provides a stable and suitable growth environment for aquatic organisms, which is conducive to the healthy growth and rapid weight gain of cultured organisms, improves the survival rate and product quality of aquaculture, reduces the amount of drug use, and ensures the quality and safety of aquatic products and the ecological environment. 3. High - Density Aquaculture: Due to the effective
guarantee of water quality and the stable and controllable aquaculture environment, the factory recirculating aquaculture system can achieve a relatively high aquaculture density, and the unit area yield is usually several times or even dozens of times that of traditional aquaculture methods. This is of great significance for alleviating the shortage of land resources, meeting the growing market demand for aquatic products, and also helps to promote the development of the aquaculture industry towards intensification and large - scale.
4. Reduced Environmental Pollution:
After the aquaculture wastewater is recycled and treated to
meet the discharge standards or recycled, the total amount of pollutants discharged to the external environment during the aquaculture process is greatly reduced, reducing the degree of pollution to the surrounding water, soil, and air. It helps to protect the ecological environment and realize the sustainable development of the aquaculture industry, meeting the requirements of the country for environmental protection and green development, and has good social and ecological benefits.
5. Not Limited byRegion and Season:
With the help of the temperature control system and perfect water quality regulation technology, factory recirculating aquaculture can be carried out in any region, not limited by geographical conditions and natural climate. It can achieve uninterrupted production and operation throughout the year, ensuring the stable supply of aquatic products, effectively
stabilizing market price fluctuations, improving the market competitiveness and anti - risk ability of aquaculture enterprises,and providing consumers with fresh and high - quality aquatic products.
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