New business created at former Polmonthill Sewage Works
Cumbernauld-based ScotAqua Ltd was given the go ahead on January 26 to erect polytunnels and change the use of the former Polmonthill Sewage Works, in Polmont, into a premises which produces vegetables and farms fish.
ScotAqua Ltd, owned by acquaculturist Stephen Laing (54), uses a particular system of aquaculture, which takes the waste produced by farmed fish or other aquatic creatures to supply the nutrients for plants grown hydroponically – which in turn purifies the water being used.
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Hide AdTypical components used in the process include a rearing tank for raising and feeding the fish, a biofilter where the nitrification bacteria can grow and convert ammonia into nitrates suitable for plants and a hydroponics subsystem where plants are grown by absorbing excess nutrients from the water.