Henk Kamp presses the red button. Beside him, the family Van den Boo- men. Behind him, the
screen where the non-
emitted CO2 emissions appear.
Henk Kamp (right) bet- ween the mushrooms, closely follo- wed by Pieter van den Boo- men. It’s very rare that a Dutch minis- ter visits the mushroom sector.
Henk, the minister, Maria, Hans and Pieter just before the official opening.
compost using a GTL-Europe machine and dried separately. The spent mushroom compost (350 tons/week) is mixed to create a more homogen- ous structure. Then the material is filled once a week into the three concrete tunnels – also constructed by GTL – at the new Upcycling plant. The tunnels measure 33 (l) x 4 (w) x 5 (h) metres. 8000 9 mm spigots blow air through the tunnels at a speed of 80 m/sec. A proportion of the air is heated to 40-45 degrees Celsius, after which the SMC accounts for the temperature rise. At 37 degrees the generated heat is harvested over several days. This heat, which can be stored in water, can be diverted to four applications: the farm’s own requirements, heating other tunnels, supplying neighbouring companies and drying biomass. The heat can be transported by road, or even better, via underground pipes. The exhaust
air from the three tunnels is captured, and the ammonia filtered out and reused, the remaining air travels through a natural biofilter placed on the roof (!) of the building.
We all benefi t
Kamp also had some words of praise for the company, particularly for all the effort devoted to devising sustainable solutions, alongside the day-to-day running of the farm. “An idea like this is amazing, but it still has to be developed, invested in and nurtured through any teething troubles. That is a huge, added burden on already busy entrepreneurs. But here they create value for their own enterprise and for the surrounding area and the sector: that’s something to be really proud of!” Kamp mentioned the challenging situation the Dutch sector is in. “The mushroom
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