"…….What we have learnt from our operations is that all of the systems work, but require different levels of management, particularly when at higher stocking levels and when fish are growing rapidly.
We have also experienced the need to restrict the level of feed to the fish in the submerged and trickle filter systems at times when we would prefer to increase the feed levels because the system is not sufficiently reactive.
We do not have the same experience in the Inter Aqua unit with the moving bed. We have therefore decided to upgrade our
submerged and trickle filter system by conversion to a moving bed system". | "………Over the years you developed your second and third generation systems. Herewith systems became:
 | More stable | | Easier to run and maintain | | Less labour demanding | | Less energy demanding |
This made it possible to produce fish in RAS at lower prices. Further cost reduction was possible by further up-scaling(industrial plants).
…..I think your company and you did a great job in looking into the principles which make fish farming in recirculation economically feasible"
The Royaal Group has since 1986 bought 16 second generation RAS and 6 third generation systems from Interaqua Advance. The 6 third generation systems produce a total of 5,000 tonnes per annum. |
