Complete Independence from Energy Generated from Fossil Fuels is Possible
Tuesday, Aug 26, 2014

Professor Henrik Lund, of Aalborg University, believes that a system based 100 per cent on renewable energy is a viable option and could be achieved by 2050 in Denmark. Renewable energy systems (RES) planning can also be successfully applied to other countries worldwide.

During his extremely well attended plenary lecture at CHISA, the 21st International Congress of Chemical and Process Engineering, Lund explained Denmark’s long history of energy planning has resulted in a stable energy consumption and business potential for a fossil-free society.

Currently, wind power accounts for nearly 30 per cent of the electricity supplied in Denmark and 50 per cent of its electricity production is linked to combined heat and power (CHP) plants. Plans are in place to increase wind power up to 50 per cent by 2050.

The challenge associated with this system is that as the share of wind power rises, there will be less demand on energy from CHP plants, meaning that this energy could be wasted.

Lund’s solution, known as a smart energy system, therefore requires flexible energy conversion and storage technologies to be incorporated. CHP plants could be provided with heat pumps and additional storage capacity to store additional energy on windy days.

Renewables can also provide energy for transport, and there is potential to supplement electric cars with biomass. Another option is to make syngas by hydrogenating the carbon produced from the CHP plants.

Professor Rafiqul Gani, President of the European Federation of Chemical Engineering (EFCE), said: “The plenary lectures at CHISA have been one of the main highlights so far. In particular, Lund’s presentation gave insight into the current and future energy landscape of Denmark, and how it is moving towards a target of 100 per cent energy production from renewables by 2050.

“What is more important is how his approach of the choice, planning and modelling of such renewable solutions can be applied within other countries so that chemical engineers can make real progress in addressing the grand challenges associated with energy and climate change.

“Spreading this message is important and the CHISA congress is a great platform to share these ideas within the profession and beyond.”

Lund commented that a renewable energy system requires a palette of solutions. A more detailed analysis of his work is outlined in his book titled Renewable energy systems – a smart energy systems approach to the choice and modelling of 100 % renewable solutions.

CHISA is currently being held jointly with the 17th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction (PRES 2014) in Prague. The congress ends on 27 August 2014.

For more information, please visit: www.efce.org

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