Month: December 2017

Switch off this Christmas

As King’s gets quieter for the Christmas period, we would like to remind you to turn off all lights and non-essential equipment at the plug if you are the last one to leave the office for the Christmas period.

Please plan how you will shut down all unnecessary equipment in your area of work. Remember to switch off your computer, laptop and monitor, office lights and desk lamp. However, please be cautious with equipment such as fridges, freezers and research equipment. You can contact the Sustainability Champion in your area for more information or if you’re unsure about what action to take. Take a look at our switch off posters for laboratories here, and our offices here.

By switching off your electronics over the Christmas period, you will be helping the university to support its commitment to worldwide environmental responsibilities and the Paris Pledge for Action.

Take time to select a representative in your office to look after the following items:

TV screens and departmental controlled AV equipment in your area

Kitchen equipment

  • Switch off the hot water boilers, kettles, microwaves and water coolers.

Kitchen area fridge

  • Empty and switch off or turn the cooling temperature to low.

Printers and photocopiers

  • Switch off at the socket; a photocopier on standby overnight can use enough energy to make 30 cups of tea.

Electric heaters

  • Switch off at the socket.

Taps

  • Turn off tightly and report dripping taps to the Service Desk.

Windows and office doors

  • Ensure all are shut firmly.

Fume cupboards and safety cabinets

  • Please ensure the sash is closed for either equipment. Turn off all safety cabinets. For fume cupboards, clear out if possible, do not leave any equipment in operation, and set your fume cupboard to ‘low-flow’ if applicable.

As a global university, King’s College London is entirely committed to its worldwide environmental responsibilities. King’s is an initial signatory of the Paris Pledge for Action, which supports the agreement made at COP 21 (21stConference of the Parties, United Nations Framework Convention on Climate Change) to limit global temperature rise by less than 2 degrees Celsius.

By switching off your electronics over the Christmas period, you will be helping the university to support these commitments and to achieve its goal to reduce carbon dioxide (CO2) emissions by 43 per cent by 2020 from a 2005/06 baseline.

A visit to Grundon’s Energy from Waste plant

Have you ever wondered what happens to waste once it leaves King’s? For recycling, the answer is in the name: once it is collected, it is sent to a Materials Recovery Facility (MRF), separated by type and quality, and packed up to be turned into new products. Last year, we visited Veolia’s MRF in Southwark, London, to have a look at the processes involved. You can read about our experience (and see us all in high-vis and hard hats) here.

But what happens to all the stuff that can’t be recycled?

This summer, we visited Grundon to find out. Grundon collect waste from King’s laboratories that cannot be recycled or recovered through traditional methods. Instead, it has to be incinerated at high temperatures in a clinical waste incinerator. In two chambers, the waste is burned for several hours and at temperatures of up to 1,100 degrees Celsius. Gases are cleaned through a gas scrubbing system to reduce emissions of pollutants such as CO2. The heat produced through this process passes through the boiler and creates steam, which is exported to their Energy from Waste (EfW) plant nearby, and used to power a steam turbine generating electricity.

Grundon smallAfter our visit to the clinical waste incinerator, we toured Grundon’s Energy from Waste plant. This is where general waste (e.g. the black bins at King’s, containing sweet wrappers, sandwich cartons, plastic film etc.) is processed. While general waste at King’s is collected by Simply Waste Solutions, not Grundon, the process is the same.

Waste is collected in a tipping bay, where a crane picks it up and feeds it into furnaces. Like in the clinical waste incinerator, the heat generated is used to power a steam turbine generating electricity. The EfW plant we visited processes over 410,000 tonnes of waste every year, and generates 37 MW of electricity. A small proportion of this electricity is used to power the plant itself, while the remaining electricity is fed into the National Grid – enough to power approximately 50,000 homes.

The ash that remains at the end of the process is used for road surfaces. This means that even though some things can’t be recycled, we can keep them out of landfill by using them to create energy.

If you want to find out more about recycling at King’s, you can head to internal.kcl.ac.uk/waste, where you will find our full recycling guidelines.