London Stansted Airport in the UK is set to become the first airport in the world to convert all its coffee grounds to solid biofuels after a successful trial with Cambridgeshire-based bio-bean, which claims the title of the world’s largest recycler of coffee grounds.
Passengers at London Stansted drink over six million cups of coffee a year as they pass through the terminal, creating over 150 tonnes of coffee waste. The partnership, which will begin on 21st October 2019 will see all 21 of the airport’s coffee shops, restaurants and bars segregate all spent coffee grounds before being transported to bio-bean’s hi-tech processing facility near Huntingdon, Cambridgeshire.
The grounds are then converted into Coffee Logs, each made from the grounds of around 25 cups of coffee and used in domestic wood burners and multi-fuel stoves. Recycling coffee grounds this way saves 80% on CO2 emissions than if they were sent to landfill and 70% than if they were sent to an anaerobic digestion facility and mixed with food waste.
Dealing with the waste grounds and disposable cups from global coffee consumption is a mammoth undertaking, with an estimated 2.25 billion cups of coffee being consumed each day. AcuComm’s WasteView database currently includes 16 projects featuring coffee-related waste.