Providing good environment for fish farming

Intensive Recirculation Aquaculture Systems

HESY AQUACULTURE

kwintsheul

•Specialist in design and turn-key delivery of intensive Re-circulation Aquaculture Systems (R.A.S)

• Private company with nearly 30 years of experience in the design and operation of intensive recirculation fish farms.

• Office and construction workplace based in Kwintsheul ( near The Hague), The Netherlands.

• Turn-key delivery 180 intensive Re-circulation Aquaculture Systems for 81 fish farms worldwide.

• Large variety of fresh- and saltwater systems installed in 32 different countries.

• Tailor made Systems produces in range starting from 2 ton/year.

• Training and education to all customers, which includes: Biological start up Technical start up Intake of fish and grading. Management support Management and operation manualsThe systems is suitable for nearly all fish species.

What is intensive Recirculation Aquaculture?

Simplified process flow diagram for Recirculation Aquaculture Systems (RAS)

2

Solids like uneaten feeds and faeces are removed by the mechanical filtration.

1

3

Bacteria consume the ammonia(NH4),which convert into nitrogen (Co2) and is released into the atmosphere.

Grow out tanks

Biological filtration

4

UV ,ozone and upflow filtration to optimize the water quality.

5

Re-oxygenate the cultured water to super saturated level.

Solid removal

oxygenation

Additional filtration

Tanks in various sizes, where fish is grown to consumption size.

Water to filtration

Water to fish tanks

Examples of Fresh water species farmed in HESY aquaculture systems

Sturgeon

Trout

Salmon (smolts)

Barramundi

Pike perch

Eel

Examples of Fresh water species farmed in HESY aquaculture systems

Tilapia

Cod

White fish

Carp

Ornamental fish

Catfish

Examples of marine species farmed in HESY aquaculture systems

Sea bass

Sea bream

Cobia

Turbot

Grouper

Yellow-tail Tuna

Exported to more than 30 countries

Why to establish intensive re-circulation fish farms?

In several countries water is a major problem while there is a short of rain plus evaporation of water in ponds and lakes, In R.A.S the consumption of water is limited. Average 5% per day of total water volume

Legislation

Quality

Water consumption

Climate

PolutionIn several countries the climate is too cold or too warm.In R.A.S all parameters are controlled and fish is growing in optimum conditions.

In some areas the optical water is wasted because of continues pollution.R.A.S is enviromental friendly, and water quality is under control

It might not always be possible to get all year round wild catch quality fish. The consumer however demands all year round “quality fish”.R.A.S you can deliver 365 days per year quality fish. Free of antibiotics with clear ”tracking label”

Over-fishing of waters, catch regulations or catch declining. for R.A.S the regualtions are very clear.

Worldwide the environment restrictions and climate change needs solutions. R.A.S. has high production of quality fish on a relatively small area, since high density and a high growth in the controlled environment. Reduced risk of diseases ,monitoring control and low mortality ratesThe water quality is treated to achieve the desired quality.The effluent can be reduced to a minimum, and therefore be controlled.

R.A.S is the solution.

Land

In relation to open culture; in R.A.S fish grows fast in a relatively small area. Species can be grown outside the natural habitat.

What are the disadvantages?

There are hardly any disadvantages. To run a recirculation system one needs a start-up capital for : Building Installation Running costs. Also in open systems there are those running costs but in a re-circulation system the costs can be a higher.

VIRTA, Russian Karelia 18.000.000 trout fingerling production

Hesy aquaculture offers the following services!Turn key Project development

Based on the customers input on the specific required fish species and production, in combination with our advice and experience, Hesy Aquaculture can carry out full project development.

Hesy Aquaculture offers to supply a feasibility study. Our policy is to keep the cost in this stage as low as possible , to avoid unnecessary expenses.We offer a 2 days visit, to discuss the possibilities with client and gouvernement organizations.And check the local markets in terms of market prices of the selected species.

Feasibility study

The following step is the lay out documentation.Since each system is tailor madeWe supply for each customer lay out documentation, so there will be no misunderstanding in the equipment which will get installed Detailed proposal with a fixed price for 1 year. Material list for the system elements.Description of the system elements with flow schemas. Description of water treatment and waste water treatment. Basic floor plan of the farm and buildingCash-flow, all taken into consideration for your business plan.Details of suppliers of good fish feed. Training location and details of training/support program.When the details are checked and agreed HESY will make a visit to your site to discuss the project with all who are involved and to supply all required information

Lay out documentation

Design + engineering design in 2D and 3D

Like mentioned in lay out documentation, a design is enclosed.It contains a 2D floor plan, with construction details for filters and basic building details.A 3D view from several view points and a 3D video impression

Construction and implementation of fish farmsBuilding a fish farm needs careful planning from start till turn-key delivery. Hesy Aquaculture is known for its quality and ability to implement projects within the agreed time-schedule.Hesy Aquaculture has the skills and the experience to supply the entire turn-key project. We have our own staff on-site for mounting and implementing of pipes and equipment, not like most of our competitors which are hiring external companies or only supply equipment. This ensures that the plant will be delivered as complete and fully operational.When the fish farm is completed and the plant is tested with water, an protocol of delivery will be signed after technical test of equipment and by approval of commissioning. Hereafter one year’s warranty on all materials and installations are given by Hesy Aquaculture starting immediately after commissioning. All warranty work on materials and installations, if any, will be carried out under the responsibility of Hesy Aquaculture.

Examples of realized projects

Eel farm in Croatia Trout farm in Russia

Pike Perch farm in Netherlands White fish farm in Finland

Examples of realized projects

Sturgeon farm in Russia Catfish farm in Benin

Cobia farm in Caribbean Tilapia farm in Israel

Examples of realized projects

Eel farm in Lituania Salmon Smolz farm in Chile

Pike Perch farm in Bulgaria Sturgeon farm in the Netherlands

Process of fish farming

Pike Perch

Hesy Aquaculture delivered so far 6 fish farms for Pike perch, with a production range 75-120 ton/year

Process of fish farming

Eel

Hesy Aquaculture delivered more than 25 eel farms, with a production range 50-1000 ton/year

Process of fish farming

Sturgeon

Hesy Aquaculture delivered more than 8 sturgeon/caviar production facilities with a production range 50-800 ton/year meat production and 1- 75 ton caviar

Process of fish farming

Cobia

Hesy Aquaculture delivered more than 10 production facilities for marine species with a production range 50-300 ton/year.For example turbot, Sole, sea bass, sea bream, Cobia.

Fish processing

HesyFishfarming of the future