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A platform for research: civil engineering, architecture and urbanism
Process and device for carbonating concrete waste and/or sequestering CO2
A method for manufacturing supplementary cementitious material and sequestering CO2 by carbonating concrete fines has the following steps: grinding the concrete fines obtained from crushed concrete demolition waste in a mill at a temperature from 1 to 10° C. above the water dew point in a carbonating atmosphere provided by a gas containing from 10 to 99 Vol.-% CO2, circulating the ground and partially carbonated concrete fines in a fluidized bed reactor in contact with the carbonating atmosphere, and withdrawing decarbonated gas and carbonated concrete fines.
Process and device for carbonating concrete waste and/or sequestering CO2
A method for manufacturing supplementary cementitious material and sequestering CO2 by carbonating concrete fines has the following steps: grinding the concrete fines obtained from crushed concrete demolition waste in a mill at a temperature from 1 to 10° C. above the water dew point in a carbonating atmosphere provided by a gas containing from 10 to 99 Vol.-% CO2, circulating the ground and partially carbonated concrete fines in a fluidized bed reactor in contact with the carbonating atmosphere, and withdrawing decarbonated gas and carbonated concrete fines.
Process and device for carbonating concrete waste and/or sequestering CO2
SKOCEK JAN (author) / ZAJAC MACIEJ (author) / BEN HAHA MOHSEN (author) / FEDERHEN STEFAN (author) / MAJCHROWICZ MAREK (author)
2023-09-12
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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