Application

NEWSNewsletter 2 • 2006

Aquaculture in

Hydrotech is a world Chile is now a leading nation, with record revenues in 2005. leading supplier of micro screens to the aquacul- farming has particularly boosted the industry, and continued re- ture industry search and development into new species makes the Chilean market an Hydrotech have the exciting prospect for Hydrotech and our local distributor, BioLight. biggest range of fil- ter models, to meet all We are working together with fish farmers to optimize production and requirements at fish solve environmental issues. farms. Unique features as: Patented filter panels Salmon farming The special structure Traditional flow-through sys- of panels ensures bet- ter filtration and higher tems are still very common: capacity than any other system. The standard size can be used for all drumfilter versions (ex- cept the small HDF501- 1P)

New nozzle tip design, made to last longer with no corrosion problems.

Laser cutting of many Inlet filtration to hatchery and ongrowing facilities. Filters are tank essential components versions, HDF1605-1H in filters, the outstand- ing fit in moving parts, makes the Hydrotech Drumfilter last longer. Outlet filtration from salmon farm. 3 pcs HDF2007-2H (without tank)

for effluent treatment, makes channel installed fil- ter types the best solution.

Recirculated Salmon farms Bigger “brood stock” salmon in tanks Water quality in recircu- lated fish farms can be Sometimes inlet filtration is monitored and controlled necessary as inlet water quality very efficiently. The -tem can change during the season. perature control increases It is also important to filter out the growth of salmon, and Outlet filtration from salmon farm some types of parasite. improves production at the (HDF1607-2H) The bigger flow requirement facility. Microscreening Microscreeing is an efficient and reliable technique for separation of particles from all kinds of liquids. The Hydrotech Drumfilter is a mechanical and self- cleaning filter specially designed with a view to achieving high perform- ance in systems where it is essential to prevent the Scallops particles from fragmenta- tion, as high visibility in Now, new hatchery technolo- the water is important. gies have been developed which have faciliated the com- Flow capacity in filters: up to 1000 l/s per filter. mercial farming of many new marine fish species.

Filter openings: Drumfilter model HDF2007-1A in a recirculated salmon farm 10 to 1000 µm.

Drumfilter model HDF2007-1A, in a recirculated salmon farm. The -1A version has been devel- oped to reduce installed space requirement.

Other species Aquaculture in Chile has also diversified into other spe- Inlet filtration, marine hatchery cies than the more traditional Outlet filtration from Abalone farm salmon farming. The primitive marine snail, abalone sp., have an variety, is farmed at several This exciting evolution of the become quite popular, today farms in Chile. Many marine Chilean aquaculture industry there are several farms espe- fish species are difficult to has positioned the country as cially in the north of Chile. farm, as their larvae stages are one of the largest fisch farming , especially the Europe- very small and delicate. nations in the world.

The tasty red abalone Turbot at feeding time

Hydrotech AB, Mejselgatan 6, 235 32 Vellinge, Sweden Tel: +46-(0)40 42 95 30, Fax: +46-(0)40 42 95 31 E-mail: [email protected]. Web: www.hydrotech.se