UNBSJ – Marine Wet Table

UNBSJ – Marine Wet Table

Institution:	University of New-Brunswick in Saint-John
Location:	Saint-John, New-Brunswick, CANADA
Contact:	Dr. Rémy Rochette
Habitat:	Saltwater
Type of rearing unit:	MARINE WET TABLE WITH ECO TYPE BIOFILTRATION MODULE
Unit description:	REBF Module (biofilter activated with salt water bacteria); 99% recirculated water; Fiberglass stand for 18 aquariums; Degassing column (air intake included) for CO2 removing; Electronic controller and monitoring system: 1 Enviro-monitron® with 1 DO probe, 1 temperature probe, 1 flow detector, Temperature and oxygen injection controlled; One pressurised counter-current oxygen saturator; 1 Security package: 1 pressure relief valve, electrical components (pump starter, temperature controller) are housed in NEMA-4 boxes; Air-cooled chiller (2 HP) with titanium heat exchanger controlled by electronic thermostat (+0.3°C).
Mandate:	Conception Fabrication On-site assembling, commissioning and training

• UNBSJ – Marine Wet Table

• Each item of equipment (pump, filter, chiller, etc.) which is used in the REBF (Recirculation with Biologic Filtration) units is described in the technical information provided by its supplier. The information can be found filed by subject in the blue folder. Refer to these files for a description of the maintenance necessary to keep the various pieces of equipment in proper working order. Warranty information is also presented in the files.
• Within the wet table unit, the water circulates once it has passed through the cartridge filter by two loops. The centrifugal pump discharges simultaneously into the biologic filter loop, and the rearing tank loop. Subsequently, the effluent from each loop flows by gravity into the pump sump, at which point the two loops would have rejoined. The advantage of having two distinct recirculation loops is that they enable independent temperature and water quality control;
• Recirculation rate is of 99.9% of flow and make-up rate is only about 0.15 lpm;
• The system can be dismantled for cleaning and sterilisation of all waterways;
• Can operate in both fresh or saltwater;
• From the Aquanit^TM Tricking biofilter, treated water is pumped directly to the rearing tanks. Maximum daily food input is 0.5 kg dry feed per biofilter;
• Operation at high aquatic organisms loads optimised by the presence of our Counter-current Oxygen Saturator for rapid diffusion of oxygen-enriched air through the recycled water;