Oxygen enriched burners, CO2 utilisation and mineralisation


The global cement making industry is one of the largest emitters of carbon dioxide (CO2) and is responsible for 8% of worldwide greenhouse gas emissions – four times more than the aviation sector.

Annual global cement production in 2019 was 4.2 gigatonnes, of which 55% was produced in China. The worldwide cement market is expected to grow by up to 25% until 2050.

It is regarded as a ‘hard-to-abate sector’, as much of its CO2 emissions are intrinsically connected to the chemistry of cement production and cannot be mitigated using electrification with renewable power. At 900°C limestone is decomposed into lime and CO2.

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