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ABOUT THE CLIENT

EEL FACILITY IN CHINA

Located in Nanping, Fujian Province in China, the largest land-based RAS eel system in the world has been built. The location is purposefully chosen as it is rich in natural resources, close to freshwater sources, with high air quality. The conditions provide the perfect natural conditions for RAS aquaculture, with the indoor farming environment enabling water saving of 5% makeup water.

The project marks a whole new chapter of eel aquaculture in China, utilizing advanced technology from both China and Europe while matching sustainability requirements to protect the environment. The Zehui Aquaculture eel project is fully supported by the local government, complying with the policies of protecting natural ecology to prevent water pollution.

The total budget allocated for the project is a substantial 268 million EUR, with the entire project covering an area of 0.53 square kilometers. The comprehensive project involves its very own industry chain, including RAS aquaculture, eel deep processing, feed production, logistics, and an R&D center.

WHAT THE CLIENT NEEDED

THRIVING EEL IN THE RAS SYSTEM

The project was divided into 2 phases, with the first phase being to reach an annual production of 6.000 tons of eels, and the second phase to reach 15.000 tons of eels. The project involves a complete state-of-the-art RAS technology system from engineering, biology, and aquacultural environmental protection. This includes physical filtering, biological purification, and disinfection, to ensure excellent water quality for the eels to thrive.

To comply with the high requirements of this massive project, the facility has included a wide range of advanced equipment, including control and alarm systems, as well as water quality monitoring systems. Furthermore, automatic online monitoring allows control over temperature, dissolved oxygen, pH, etc., combined with a database system to record and output all operation data, for test and analysis of the entire system operation. To accommodate these standards, it was obvious to include the best possible disinfection equipment on the market.

uv systems on eel facility in china
uv systems on eel facility in china
ras system eel facility in china
eel facility in china
eel facility in china
uv systems on eel facility in china
uv systems on eel facility in china
ras system eel facility in china
eel facility in china
eel facility in china
THE SOLUTION

THE BEST AVAILABLE RAS EQUIPMENT

For such a large operation, the applied technology and water treatment conditions had to be state-of-the-art.

ULTRAAQUA was chosen as the UV supplier for this project, due to having extensive experience in the aquaculture industry, combined with the low maintenance requirements and exceptional durability of the systems.

A massive total of 158 UV systems was installed in several sections around the facility, including both open channel and closed vessel PP (Polypropylene) systems, as well as larger SS (Stainless Steel) closed vessel systems for intake water disinfection.

The systems installed:

  • 96x MR7-350PP Open Channel PP
  • 56x MR6-350PP
  • 6x MR12-350SS ACN ULTRABARRIER

The systems are all sized in groups for varying flow rates, UV doses, and UV transmittance, for the treatment of glass eels, adult eels, and intake water.

PRODUCTS APPLIED

UV SYSTEMS APPLIED

open channel polypropylene uv disinfection system

OPEN CHANNEL PP SERIES

The Open Channel PP series offers safe, chemical-free disinfection which…

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non corrosive polypropylene uv system

NON-CORROSIVE PP SERIES

The Non-Corrosive PP series is developed specifically for disinfection in…

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ultrabarrier uv disinfection system

ULTRABARRIER™ SS SERIES

The ULTRABARRIER™ series is developed specifically for intake water UV…

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