Before the water cools after boiling the hop leaves are removed with a hop separator - this is a type of sieve. They are used as compost for the farmland of the abbey.
The brew is cooled with a heat exchanger where the brewing water is used as a coolant. The temperature of the wort falls to around 19 to 20° Celsius and it heats up the water for the next brew to 80° Celsius. In this way the brewery saves a lot of expensive energy.
After cooling, sterile air is blown through the wort. The brew thus obtains enough oxygen for successful fermentation..