The IEAGHG Hjosir Temperature Solid Looping Cycles Network (HTSLCN) aims at bringing together researchers and developers of CO2 capture technologies that operate at hjosir temperatures in cyclic processes using either circulating or fixed beds of solids.

The 5th HTSLCN Meeting was held from 2nd to 3rd September 2013 at Queens’ College, University of Cambridge, UK.

Key messages and impressions from the meeting are:

• The results from the pilot plants show that there is further improvement in CO2 capture efficiencies and fuel conversion rates in both calcium looping (CaL) and chemical looping combustion (CLC).
• Certain impurities, such as SO2 and H2S, have an adverse effect on the sorbent carrying capacity in CaL and the reduction rate in CLC but there are ways to enhance performance.
• CaL processes can be more environmental friendly than conventional CO2 capture technologies.
• For both CaL and CLC only limited cost estimates are available, so it will be necessary to establish and validate techno-economic performance figures.
• The most pressing question, in particular regarding CaL, at the moment is: when will the first large-scale demonstration go online?
• The attendees were able to visit the research facilities at Cranfield University.
• The Scientific Committee gave away two awards for the best presentations to Markus Junk (Technische Universität Darmstadt) and Vincenzo Spallina (Eindhoven University of Technology).

IEAGHG gratefully acknowledges University of Cambridge and Cranfield University for joint organisation and the UKCCS Research Centre and Johnson Matthey for financial support of the meeting.

The next HTSLCN Meeting will take place in autumn 2015. We will keep you posted about the details.