Research

Before 1998 Lyngfelt’s his main field of research was related to fluidized bed combustion with focus on sulphur capture process

Lyngfelt has made Chalmers world-leading in chemical-looping combustion (CLC), initiating this research in 1998. CLC is a novel combustion technology where fuel and combustion air are not direct incontact, instead the oxygen needed for combustion is transferred from air to fuel by means of an oxygen carrier. Thus, the combustion products, i.e. carbon dioxide (CO₂) and water vapour, are not diluted with the nitrogen in the air, and therefore an essentially pure CO₂ is obtained after condensing the water vapour. This means that CO₂ capture is accomplished without the expensive and energy demanding separation normally needed. It is expected that CLC could lower the cost of CO₂ capture with a factor two to four. Chalmers was first to successfully demonstrate this novel combustion principle in 100 h operation of a 10 kW pilot.

The research focus is now negative CO₂ emissions and, in addition to bio-CLC, Lyngfelt has studied the consequences of leakage of stored CO₂. IJGGC-19

Lyngfelt has proposed a policy instrument aimed at fulfilling the target of maximum 1.5 degree warming, which imposes a CO₂ emitter liability. Thus, the emitter is obliged to remove his emissions from the atmosphere and to accomplish this, the emitter is enforced to pay for deposit deeds corresponding to his emissions. The deposit deeds, including returns, are redeemed upon certified proof of removals. ACORDs

Publications and recognition

Lyngfelt is the author/co-author of 248 scientific publications, with 21,515 citations, and an H index of 76 (Scopus, May 2024) and Lyngfelt is in the list 2019 Highly cited researchers, Web of Science.
Lyngfelt has been ranked as the 2^nd most productive and cited researcher in Sweden in the area of physics and technology (Fokus, Sveriges Nyhetsmagasin, October 3, 2019).
Lyngfelt was ranked as the 2^nd Best Engineering and Technology Scientists in Sweden: https://research.com/scientists-rankings/engineering-and-technology/se

Worldwide ScholarGPS ranked Lyngfelt as No. 1 on Solid fuel, No. 9 on Greenhouse gas and No. 11 on Combustion.
The journal Energy & Fuels has honoured the work by Lyngfelt with a Special Issue: "Pioneers in Energy Research: Anders Lyngfelt" .

Chalmers’ CLC publications: www.entek.chalmers.se/lyngfelt/co2/co2publ.htm

Lyngfelt’s publications: https://research.chalmers.se/person/anly

Conferences

Lyngfelt brought the 3^rd International Conference on Chemical-Looping, Chalmers, Gothenburg 2014, to Sweden.

Lyngfelt further initiated the start of a new conference series:

1^st International Conference on Negative CO₂ Emissions, http://negativeco2emissions2018.com
Chalmers, Gothenburg, Sweden, May 22-24, 2018.

2^nd International Conference on Negative CO₂ Emissions, http://negativeco2emissions2020.com, Chalmers, Gothenburg, Sweden, June 14-17, 2022, [3].

The three conferences were organized by Carl Linderholm.

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