Page 29 - Seafood, Fishing & Aquaculture 2017-2018

Fish Farming (GFF) aiming to achieve zero Valuable By-Products industries from having to rely on fossil fuels.
emission to air and water. The GFF concept In addition to producing power, oxygen and These methods of recycling sludge also avoid
applies to both onshore and sea-based hydrogen, the GFF aims to transform the the problem of having to either burn it and
closed fi sh farms. Depending on the size generated sludge deposits into valuable pollute the air or leaving the large quantities of
and location of the closed fi sh farms, by-products, such as gas, oil, char, energy fi sh waste deposits at the bottom of the sea,
the GFF concept can integrate different and fertilizer. The concept could produce ruining sea life growth there.
renewable technologies to generate power, biofuels and biogas via anaerobic digesters
such as wind, solar, wave, and hydro. or thermal decomposition with additional “I would not be surprised to see that in
help from algae, microalgae and shells the near future they will be forced by EU
Currently closed fi sh farms buy oxygen from biomass farms or grow vegetable via regulations to either close their farms or to
to oxygenate the fi sh in sea cages, aquaponics. According to a Norwegian pay for polluting the water,” said Ilea.
often at a high price. The GFF concept Institute of Bioeconomy Research report, the
aims incorporate an electrolysis unit to fi sh farming industry could produce 70-190 CMR Prototech received pre-project funds
locally produce needed oxygen and also million cubic meters of methane biogas, from Losna Seafood and NCE Maritime Clean
hydrogen for use in the maritime and equivalent up to 2Twh energy, from collecting Tech to study the possibilities of integrating
transport sectors, such as local boats, and using all the sludge from 1 million tons of the GFF concept in their specifi c cases and
or to commercialize it for other external salmon annually. fi nd new ways of collaborating. This February,
customers. it applied for a local grant from Regional
Another option is to convert the generated Forskningsfond Vestlandet for a project to
“I have not seen it elsewhere,” said Crina sludge into bio-fuels for greener industries. effi ciently handle the sludge generated by
Ilea, CMR Protetch senior researcher. “Our Norcem, for example, last year tested dried closed fi sh farms. CMR Prototech plans to
preliminary calculations show that this is fi sh waste from Flatanger Settefi sk to power collaborate with Norwegian and international
a very good business case for large fi sh its cement plant in Tysfjord. That saves the partners to help commercialize the GFF
farms.” energy-intensive aluminum and cement concept.

CMR Prototech has been working on a
solution called Green Fish Farming (GFF)
to achieve zero emission to air and water.
© CMR Prototech

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