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News
 
RK Plast is closed between July 16 and August 2
 
See the new article on RK BioElements from Fishfarmer Magazine here
 
Per 1 of May 2010 RK Plast has taken over all injection molding activities in AK Tool and Plastic Factory I/S in Juelsminde.  
Activities in Juelsminde will be transferred to the factory in Skive in the coming months. By this acquisition RK Plast continues with the strategy of being among the leading in technical injection molding.
After the purchase, RK Plast will possess approx. 50 injection molding machines and related automation.
 
Euro Fish article on RK BioElements Click here 
 
                                             
 Karta produktu        La fiche du produit       Listovoî produktsii          Product sheet                Produktblad
 
 
RK BioElements
 

RK Plast A/S has since 1984 developed and produced injection-moulded plastic components.
 
In cooperation with Danish fish farm owners and professional consultants, we have developed and patented a new unique biological bio-media called RK BioElements.
 
RK BioElements are primarily suitable as biological filters for water funification in aquaculture and water treatment.
 
RK BioElements may with great advantage, be used for air clearing and filtration ochre in waterworks.                                 
 
 
RK BioElements LIGHT
 
Used in conjunction with "up-flow" and "moving bed" filters.
 
The light BioElement has a density 0,93 g/cm3.
 
The patented asymmetrical design provides good cleaning performance as the elements dont "wedge" together with each other.
 
 
RK BioElements MEDIUM                                                                                                       
 
Used in conjunction with "moving bed" filters.
 
The medium elements are specially designed and manufactured with af density of 1,00 g/cm3.
 
In "moving bed" filters, this density gives a large power/energy saving.
 
 
RK BioElements HEAVY
 
Used in conjunction with "down-flow fixed-bed" filters.
 
The Heave BioElement has a density of 1,20 g/cm3.
 
The BioElements large specific surface area (750 m2/m3) makes it possible to achieve a higher and more efficient decompositions rate with compact filters.
 
Energy and water usage in return runsing is minimized significantly as a result of the unic design.
 
 
 
 
 
 
 
 
Technical information:
 
LIGHT
MEDIUM
HEAVY
Volume weight of components (kg/m3)
163
175
210
Number of BioElements (pcs/m3)
250.000
 
 
Specific surface area (m2/m3)
750
 
 
 
RK BioElements are produced in Polypropylene (PP), which contains no halogens and can be recycled or disposed of by incineration, where the end product is only water and carbon dioxide.
 
The filler used in RK BioElements Heavy and Medium is Barium Sulphate (BaSO4). Barium Sulphate is environmentally neutral, ref. safety data sheet: "No danger of toxity" the material is biological inactive.