Ozone treatment? UV? or both of them? Which water treatment do you recommend especially in recirculated aquaculture systems (RAS)?
Answers
Answer:
The concept of RAS (for Recirculating Aquaculture System) is to reuse a volume of water by a continuous treatment allowing the supply of aquaculture species.
Due to its design and components, the RAS facility supports high nutrient intake; it ensures a high growth rate and a high stocking density, compatible with the economic profitability of the production.
The Kaldnes® RAS semi-closed loop system with aeration and particulate removal system is designed to maximize production while reducing pollution and water consumption.
Particle removal: particle separation is ensured by Hydrotech drum filters, which are recognized worldwide for their efficiency, designed specifically for aquaculture applications and whose introduction on the market dates back more than 25 years.
Biological treatment: AnoxKaldnes ™ MBBR (Moving Bed Biofilm Reactor) is a continuous biological treatment process for the removal of carbon and / or nitrogen pollution using biomass on a support in suspension. Its compactness and operation without backwashing make it a solution that ideally meets the needs of the aquaculture sector.
Explanation:
Answer:
There are different treatment for RAS facilities, after primary filtration we can use Cl, UV or Ozone for disinfection. Each of mentioned methods have some benefits and risks. Which of them do you prefer or recommend in RAS, in particular hatcheries and nurseries in high stocking densities?