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CLEAN clinKER production by Calcium looping process

CLEAN clinKER production by Calcium looping process

Objective

Calcium looping (CaL) is one of the most promising technologies for CO2 capture in cement plants. The process comprises two basic steps: (1) “carbonation” of CaO to form CaCO3 in a reactor operating around 650°C; (2) oxyfuel calcination in a reactor operating at 920-950°C, which makes the CaO available again and generates a gas stream of nearly-pure CO2.
The CLEANKER project aims at demonstrating at TRL7 the CaL concept in a configuration highly integrated with the cement production process, making use of entrained flow reactors. The highly integrated configuration allows achieving high energy efficiencies, with CO2 capture efficiency over 90%. The adoption of entrained flow gas-solid reactors is particularly suitable - and familiar - to the cement industry.
The core activity of the project is the design, construction and operation of a CaL demonstration system comprising the entrained-flow carbonator (the CO2 absorber) and the entrained-flow oxyfuel calciner (the sorbent regenerator). This demonstration system will capture the CO2 from a portion of the flue gas of the cement plant in Vernasca (Italy) operated by Buzzi Unicem, using as CO2 sorbent the same raw meal used for clinker production. Other activities will include: (i) screening of different raw meals to assess their properties as CO2 sorbent, (ii) reactors and process modelling, (iii) scale-up study, (iv) economic analysis, (v) life cycle assessment, (vi) CO2 transport, storage and utilization study (vii) demonstration of the complete value chain, including mineral carbonation of waste ash with the CO2 captured at Vernasca; (viii) exploitation study for the demonstration of the technology at TRL>7 and for its first commercial exploitation based on CO2 transport and storage opportunities.
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Coordinator

LABORATORIO ENERGIA AMBIENTE PIACENZA

Address

Via Nino Bixio 27
29121 Piacenza

Italy

Activity type

Research Organisations

EU Contribution

€ 798 875

Participants (12)

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BUZZI UNICEM SPA

Italy

EU Contribution

€ 2 899 131,25

AGENCIA ESTATAL CONSEJO SUPERIOR DEINVESTIGACIONES CIENTIFICAS

Spain

EU Contribution

€ 436 876,25

ITALCEMENTI FABBRICHE RIUNITE CEMENTO SPA

Italy

EU Contribution

€ 109 500

IKN GMBH INGENIEURBURO-KUHLERBAU-NEUSTADT

Germany

EU Contribution

€ 2 462 082,50

LAPPEENRANNAN-LAHDEN TEKNILLINEN YLIOPISTO LUT

Finland

EU Contribution

€ 338 420

POLITECNICO DI MILANO

Italy

EU Contribution

€ 274 000

QUANTIS

Switzerland

EU Contribution

€ 235 625

TALLINNA TEHNIKAULIKOOL

Estonia

EU Contribution

€ 338 500

TSINGHUA UNIVERSITY

China

UNIVERSITAET STUTTGART

Germany

EU Contribution

€ 470 437,50

VDZ GEMEINNUTZIGE GMBH

Germany

EU Contribution

€ 549 316,25

AMICI DELLA TERRA ONLUS

Italy

EU Contribution

€ 59 437,50

Project information

Grant agreement ID: 764816

Status

Ongoing project

  • Start date

    1 October 2017

  • End date

    30 September 2021

Funded under:

H2020-EU.3.3.2.

  • Overall budget:

    € 9 237 851,25

  • EU contribution

    € 8 972 201,25

Coordinated by:

LABORATORIO ENERGIA AMBIENTE PIACENZA

Italy