The 3 biggest challenges and solutions for a further cost-effective smolt production in RAS

Transcription

1 The 3 biggest challenges and solutions for a further cost-effective smolt production in RAS Sunndalsøra 22 oktober-2014 Børge Søraas COO

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3 AquaOptima working with RAS Countries world wide * Norway * Iceland * Faroe Islands * Russia * Portugal * Spain * Estonia * Scotland * England * Ireland * France * Bulgaria * Croatia * Greece * Turkey * Switzerland * Argentina * Brazil * Chile * Peru * Cuba * USA * Canada * Le Reunion * Mauritius * Iran * Oman * Japan * China * Taiwan * Malaysia * Philippines * South Korea * Indonesia * Thailand * India * Atlantic Salmon * Halibut * Atlantic Cod * Seabass * Seabream * Barramundi * Tiger puffer fish * Arctic Char * Rainbow trout * Tilapia Species * Eel * Sturgeon * Pollock * Pike Perch * Whitefish * Cobia * Japanese flounder * Turbot * Grouper * Koi

4 At the moment 3 very different RAS projects * 1) Eel farming in Portugal * Temperate fresh water * 2) Whitefish and sturgeon farming in Siberia, Russia * Cold fresh waters * 3) Barramundi farming in Papua, Indonesia * Tropical waters

5 Siberia, Russia Kharp

6 Kharp * Coregonus sp. * Production of larvae, fingerlings and juveniles for output in lakes and rivers * 100 millions larvae * 10 millions 1,5 grams * 1 million 30 grams * grams * Siberian sturgeon * Production of Caviar * 2500 kg caviar/year * 6 years maturation before spawning * Re-spawning every second year * kg sturgeon meat

7 Papua, Indonesia Yapen

8 Yapen * Barramundi (Asian seabass) * Hatchery for production of 2,5 million barramundi juveniles for output in Seacages, 20 grams * Broodstock * Live feed * Larvae/Startfeed * Grow out * Tropical conditions * Medium deep water intake (40 m). * 30 degrees C * 30 ppm salinity * Stable parameters Similar rearing protocols as Atlantic Cod, only some differences of lipids in larvae rearing

9 Portugal Figueira da Foz Findfresh

10 Findfresh * European eel * Grow out of wild caught glass eel to 700 grams * 400 tons production/year * Glass eel department * Grow out department * Purging department * Temperate conditions * Well point intake, 100 m * Fresh water * Stable parameters * Challenging behavior of the eel

11 Different species, different climate.. similar recirculation system * Adaptations for * Species * Temperature * Salinity

12 3 biggest challenges and solutions * Water quality * Bad water quality gives low growth, poor health status * Requires correct dimensioning, design and equipment * AquaOptima solution is Eco-Trap (double drain), MBBR and use of ozone. Krüger Kaldnes Clarity WTS

13 3 biggest challenges and solutions * Production planning and operational logistic * Every RAS farm is designed due to a certain production and logistic plan * Errors in optimum use of the farm will cause poor utilization of the farming volume * Biological, technical and operational competence is necessary. Skilled management! * AquaOptima solution is commissioning, training and operational assistance onsite for up to 2 years

14 3 biggest challenges and solutions * Investment and operational costs * RAS system will normally have a higher investments and some higher running cost. * Possible to find cheaper equipment, but there is a connection between price and quality! * Good dimensioning/design, production plan and implementation, will keep the cost to the possible minimum.

15 Bioreactors Thank you CO2 degassing Oxygenation Particle removal * Step 1: Production plan * Growth calculations based on barramundi growth tables. * Step 2: Lay out * Number and size of tanks * Number of departments * Logistic * Step 3: Dimensioning of water treatment system * Based on max feeding and water quality criteria * TAN < 1,5 mg/l, CO2 < 15 mg/l * Water exchange: 10-20% per day Eco-Trap, double drain Sludge collector